CN106777687A - The CAD/CAE integrated approaches and system of a kind of nuclear power plant's support steel structure - Google Patents
The CAD/CAE integrated approaches and system of a kind of nuclear power plant's support steel structure Download PDFInfo
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Abstract
The invention discloses the CAD/CAE integrated approaches and system of a kind of nuclear power plant's support steel structure, it includes CAD system, the CAD model for generating support steel structure；CAD/CAE integration tools, for searching for CAD model data, by CAD model data conversion into can be by the command stream of CAE system identifications；CAE systems, for receiving command stream, and reconstruct the CAE FEM models of support steel structure and export according to command stream.CAD/CAE integrated approaches and system in the present invention can carry out topological transformation to CAD model by extracting the key feature information in CAD model, and automatically generate the data form that CAE software can be recognized, finally the quick reconfiguration FEM model in CAE software.Support steel structure CAD/CAE integration tools are developed using PML simultaneously, the distortion of CAD/CAE models zero conversion truly is realized.
Description
Technical field
It is integrated the present invention relates to nuclear power engineering design field, more particularly to a kind of CAD/CAE of nuclear power plant's support steel structure
Method and system.
Background technology
CAD (i.e. Computer Aided Design, CAD) and CAE (i.e. Computer Aided
Engineering, computer-aided engineering) software is essential in nuclear power projects engineering with digitizing technique as core
Aid.CAD software is used for product design, and CAE software is used to be analyzed and simulation optimization the performance of product.In nuclear power
, it is necessary to carry out finite element analysis to verify its mechanical performance to the CAD model that design specialist is set up in the design process of product.For
Avoid being modeled again in CAE software, CAD model is exactly importing directly into CAE software by traditional CAD/CAE integrated approaches
In.However, carrying out finite element analysis using this traditional CAD/CAE integrated approaches must also have following premise：CAD software
The input interface of output interface and CAE software must be compatible with, that is, have common geometrical model data exchange standard, at present application than
Wide data exchange standard has STEP, IGES, DXF, STL etc..
Once and CAD and CAE software interface are incompatible, then cannot carry out the integrated application of CAD/CAE.For example,
During the engineering Steel Structural Design of AP1000 nuclear power projects and analysis, PDMS (i.e. Plant Design Management
System, plant design management system) software be used for engineering steel construction design, GT STRUDL (hereinafter referred to as GTS) software use
Simulation analysis are carried out in the design to engineering steel construction.But PDMS is the little design software of a external output interface, only
Support output RVM forms and autoexec, it is impossible to export data form that GTS softwares can recognize (such as DXF, CIS/2,
STAAD-Pro etc.), FEM model can only be set up according to design drawing manually in GTS softwares, not only deposited in modeling quality
In larger hidden danger, and analysis efficiency is low, is also difficult to meet the requirement of project in progress.
Meanwhile, in traditional CAD/CAE integrated approaches (see Fig. 1), even if CAD and CAE software possess common geometry
Model data exchange standard, but because CAD is not fully consistent in terms of topology identifier with geometric element definition with CAE software,
Occur that topological relation is approached during transformation model between different systems to be reconstructed with geometric element.So often produce model letter
The loss and redundancy of breath are, it is necessary to expend great effort repairing model in the software with powerful finite-element preprocessing function.I.e.
Just in this way, CAD model still cannot be directly used to finite element analysis, it is necessary to carry out simplification, the grid of geometric properties manually in advance
Division, the definition of material and section attribute, constraint and a series of pre-treatment such as applying of load.Additionally, if it happens setting
Meter change, the pre-treatment that some small variations of CAD model all may result in finite element analysis works and re-starts.
Therefore, it is necessary to provide a kind of new support steel structure, the especially CAD/CAE collection of nuclear power engineering support steel structure
Into method and system, software interface compatibility in traditional CAD/CAE integrated approaches is solved the problems, such as with this so that even if
Still can realize that CAD/CAE's is integrated, realizes the zero of CAD/CAE models in the case that the interface of CAD/CAE softwares is incompatible
Distortion is changed, and is greatly enhanced operating efficiency and quality level that link is verified in project analysis.
The content of the invention
For above-mentioned problems of the prior art, the invention provides a kind of support steel structure, especially nuclear power plant
The CAD/CAE integrated approach method and systems of support steel structure, software interface in traditional CAD/CAE integrated approaches is solved with this
The problem of compatibility, realizes that the distortion of CAD/CAE models zero is changed, in reduction nuclear power plant support steel structure finite element modeling process
Human error risk, it is ensured that the quality of support steel structure mechanical analysis, improves the efficiency of support steel structure mechanical analysis.
The technical scheme that the present invention is proposed with regard to above-mentioned technical problem is as follows：
On the one hand, there is provided a kind of CAD/CAE integrated approaches of nuclear power plant's support steel structure, including：
S1, the generation of support steel structure CAD model：The CAD model of support steel structure is generated by CAD system；
S2, CAD/CAE model conversion：The CAD model number of the support steel structure is searched for by CAD/CAE integration tools
According to by the CAD model data conversion of the support steel structure into can be by the command stream of CAE system identifications, and by the command stream
Export the finite element model transformation interface reserved to the CAE systems；
S3, CAE model are exported：The CAE systems are by CAD/CAE described in reserved finite element model transformation interface
The command stream that integration tool is automatically generated, and the supporting steel knot is reconstructed in the CAE systems according to the command stream
The CAE FEM models of structure are simultaneously exported.
Preferably, in step S2, the generation step of the CAD/CAE integration tools includes：
S201, foundation can be by the domestic profile material databases of the CAE system identifications；
S202, it is identified and analyzed by the attribute to the support steel structure, and in the database of the CAD system
In the key feature information of the support steel structure part and the load information of logical point are extracted；
S203, the CAD model of the support steel structure to the topology conversion relation of CAE FEM models is determined, it is determined that empty
Between different surface beeline mutually give algorithm, the judgement recognition methods of various parts load(ing) point and its seat that its common vertical line intersecting point coordinate solves
The algorithm that punctuate is solved；
S204, load information analysis is carried out to the support steel structure, automatically generate the charge number of the support steel structure
According to, and be applied on corresponding unit and node, while the load data is combined, for the supporting steel knot
Structure is evaluated；
S205, based in S201-S204 obtain data information, using the CAD system built-in language development described in
CAD/CAE integration tools.
Preferably, in step S1, described can be grid data by the command stream of CAE system identifications；The grid data bag
Include：Nodal information, constraint information, unit information, load information and load combinations information.
Preferably, the CAD system is PDMS softwares, using the built-in PML language of the PDMS softwares in the PDMS
Software /STRUCTURE databases in the key feature information of the support steel structure and the load information of logical point are entered
Row is extracted；Using CAD/CAE integration tools described in the built-in PML language developments of the PDMS softwares.
Preferably, in step S2, the CAD/CAE integration tools include：
Add module, for the CAD model being added into display interface and being shown；
Module is removed, for the CAD model to be removed from the display interface；
Length display module, the length for showing the structure member in chosen CAD model；
Specification display module, the specification for showing the structure member in chosen CAD model；
Error measurement module, the geometrical model error for measuring two adjacent structural parts in the CAD model；
Command stream export module, the support name for that will choose imported into list box and is shown, and when aobvious in list box
The standoff order of institute flow to command stream display module and txt file during the list box is derived when showing at least one support name；
Command stream display module, command stream derived from display mentioned order stream export module；
Module is checked, for the node number and/or load(ing) point and/or load information of the CAE FEM models to be shown
In the CAD model, it is easy to check it or it is removed from the CAD model.
On the other hand, a kind of CAD/CAE integrated systems of nuclear power plant's support steel structure are also provided, including：
CAD system, the CAD model for generating support steel structure；
CAD/CAE integration tools, it is integrated in the CAD system, the CAD model for searching for the support steel structure
Data, by the CAD model data conversion of the support steel structure into can be by the command stream of CAE system identifications, and by the order
Stream output；
CAE systems, it is reserved with finite element model transformation interface, for receiving the CAD/CAE integration tools output
The command stream, and the CAE FEM models of the support steel structure are reconstructed according to the command stream and is exported.
Preferably, the generation step of the CAD/CAE integration tools includes：
S201, foundation can be by the domestic profile material databases of the CAE system identifications；
S202, it is identified and analyzed by the attribute to the support steel structure, and in the database of the CAD system
In the key feature information of the support steel structure part and the load information of logical point are extracted；
S203, the CAD model of the support steel structure to the topology conversion relation of CAE FEM models is determined, it is determined that empty
Between different surface beeline mutually give algorithm, the judgement recognition methods of various parts load(ing) point and its seat that its common vertical line intersecting point coordinate solves
The algorithm that punctuate is solved；
S204, load information analysis is carried out to the support steel structure, automatically generate the charge number of the support steel structure
According to, and be applied on corresponding unit and node, while the load data is combined, for the supporting steel knot
Structure is evaluated；
S205, based in S201-S204 obtain data information, using the CAD system built-in language development described in
CAD/CAE integration tools.
Preferably, described can be grid data by the command stream of CAE system identifications；The grid data includes：Node is believed
Breath, constraint information, unit information, load information and load combinations information.
Preferably, the CAD system is PDMS softwares, using the built-in PML language of the PDMS softwares in the PDMS
Software /STRUCTURE databases in the key feature information of the support steel structure and the load information of logical point are entered
Row is extracted；Using CAD/CAE integration tools described in the built-in PML language developments of the PDMS softwares.
Preferably, the CAD/CAE integration tools include：
Add module, for the CAD model being added into display interface and being shown；
Module is removed, for the CAD model to be removed from the display interface；
Length display module, the length for showing the structure member in chosen CAD model；
Specification display module, the specification for showing the structure member in chosen CAD model；
Error measurement module, the geometrical model error for measuring two adjacent structural parts in the CAD model；
Command stream export module, the support name for that will choose imported into list box and is shown, and when aobvious in list box
The standoff order of institute flow to command stream display module and txt file during the list box is derived when showing at least one support name；
Command stream display module, command stream derived from display mentioned order stream export module.
Module is checked, for the node number and/or load(ing) point and/or load information of the CAE FEM models to be shown
In the CAD model, and it is checked or it is removed from the CAD model.
Technical scheme has the following technical effect that：
1) FEM model reparation and a series of pre-treatment links in traditional CAD/CAE integrated approaches are eliminated；
2) software interface compatibility in traditional CAD/CAE integrated approaches is solved the problems, such as；
3) Seamless integration- of PDMS and the softwares of GTS two is realized, PDMS and GTS integration tools in the market have been filled up
Blank；
4) compared with traditional CAD/CAE integrated approaches, the distortion of CAD/CAE models zero conversion truly is realized,
In the absence of the loss and mistake of any information before and after conversion, the human error in support steel structure finite element modeling process is reduced
Risk, it is ensured that the quality of support steel structure mechanical analysis；
5) improve the efficiency of support steel structure analysis：By the FEM model of support steel structure by traditional manual modeling
It is changed into automatic modeling, and significantly reduces the workload and working strength of the links such as follow-up check, examination ＆ approval；
6) ensure nuclear power engineering project support steel structure analysis everything goes well with your work carry out while, reduce supporting steel knot
The human input of structure mechanical analysis, achieves good economic benefit.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the integrated flow charts of CAD/CAE of prior art；
Fig. 2 is the flow chart of CAD/CAE integrated approaches in embodiment one；
Fig. 3 is the development procedure flow chart of CAD/CAE integration tools in embodiment one；
Fig. 4 is the interface schematic diagram extracted to the key feature information of CAD model in embodiment one；
Fig. 5 is the interface schematic diagram of extraction support load in embodiment one；
Fig. 6 is to show the interface schematic diagram being identified to load(ing) point in embodiment one；
Fig. 7 is the structural representation of CAD/CAE integration tools in embodiment one；
Fig. 8 is the surface chart of GTS Creator in embodiment one；
Fig. 9 is GTS Creator " Add " and " Remove " push button function schematic diagram in embodiment one；
Figure 10 is GTS Creator " Len " and " Spref " push button function schematic diagram in embodiment one；
Figure 11 is the intersecting schematic diagram of space different surface beeline in embodiment one；
Figure 12 is GTS Creator " Intersection " interface function schematic diagram in embodiment one；
Figure 13 is GTS Creator " Support List " interface function schematic diagram in embodiment one；
Figure 14 is the GTS command stream interface schematic diagrams in embodiment one；
Figure 15 is GTS graphical interfaces schematic diagrames in embodiment one；
Figure 16 is GTS Creator " Load Check " interface function schematic diagram in embodiment one；
Figure 17 is the steel construction fine strain of millet model of element schematic diagram in the GTS softwares in embodiment one；
Figure 18 is GTS Creator " Joints " push button function schematic diagram in embodiment one；
Figure 19 is the check loading functionality schematic diagram of GTS Creator in embodiment one；
Figure 20 is the structural representation of CAD/CAE integrated systems in embodiment two.
Specific embodiment
The present invention is for CAD/CAE integrated systems present in prior art and the defect in method, there is provided a kind of
The CAD/CAE integrated approaches and system of support steel structure, especially nuclear power plant's support steel structure, traditional CAD/ is solved with this
The problem of software interface compatibility in CAE integrated approaches, realizes that the distortion of CAD/CAE models zero is changed, and reduces nuclear power plant's supporting steel
Human error risk in structure finite element modeling process, it is ensured that the quality of support steel structure mechanical analysis, improves supporting steel
The efficiency of structure mechanics analysis.Its core concept is：By extracting the key feature information in CAD model, CAD model is carried out
Topological transformation, and automatically generate the data form that CAE software can be recognized, finally the quick reconfiguration FEM model in CAE software.
On the basis of this new CAD/CAE integrated approaches are grasped, support steel structure CAD/CAE integration tools are developed using PML,
Realize that the distortion of CAD/CAE models zero is changed.
Embodiment one：
As shown in Fig. 2 the CAD/CAE integrated approaches of the nuclear power plant's support steel structure in the present invention comprise the following steps：
S1, the generation of support steel structure CAD model：The CAD model of support steel structure is generated by CAD system；
S2, CAD/CAE model conversion：The CAD model number of the support steel structure is searched for by CAD/CAE integration tools
According to by the CAD model data conversion of the support steel structure into can be by the command stream of CAE system identifications, and by the command stream
Export the finite element model transformation interface reserved to the CAE systems；Preferably, the CAD model data of the support steel structure
It is grid data；The grid data includes：Nodal information, constraint information, unit information, load information and load combinations letter
Breath, wherein, the unit information includes material and its machine performance information；
S3, CAE model are exported：The CAE systems are by CAD/CAE described in reserved finite element model transformation interface
The command stream that integration tool is automatically generated, and the supporting steel knot is reconstructed in the CAE systems according to the command stream
The CAE FEM models of structure are simultaneously exported.
In the present embodiment, the CAD/CAE integration tools are named as GTS Creator；The CAD system is that PDMS is soft
Part, the CAE systems are GT STRUDL softwares.
Further, Fig. 3 shows the specific development procedure of the GTS Creator, and it includes：
S201, foundation can be by the domestic profile material databases of the CAE system identifications；It sets up mode mainly following
Step：
(1) the conventional various domestic section bar of combing.
Material database is carried in Steel Structure Analysis software GTS for US and European standard, in order to ensure analysis result
The need for accuracy and reliability and production domesticization, it is necessary to set up domestic section steel material database.According to Lufeng nuclear power projects work
Journey file《AFG-GX-P1-507 pipeline support criterions policy paper (subpackage requirement)》In technical requirements, domestic shaped steel type
It is main including H profile steel, rectangular steel pipe, angle steel, etc. channel-section steel.
(2) reverse method is utilized, the material database of domestic section bar is commonly used in exploitation.
In order to the domestic section steel material database for ensureing exploitation can be recognized by GT STRUDL, opened using reverse method
Hair material database, i.e., set up customized section steel material database and derive, further according to GB file in software《GBT
11263-2005 is hot rolled H-shaped and Slit T》、《The hot-rolled steel sections of GBT 7062008》、《GB-T 3094-2000 cold-drawns are special-shaped
Steel pipe》Specified in data in design parameter amendment derived materials database, and for being not specified in GB but GTS is soft
Part needs the parameter of definition again, then the corresponding parameter of manual correction after needing to be calculated according to force equation.
S202, it is identified and analyzed by the attribute to the support steel structure, and in the database of the CAD system
In the key feature information of the support steel structure (SCTN) and the load information of logical point are extracted；For follow-up automatic
The information such as node, unit, constraint, the load of FEM model are generated to prepare；Wherein, the database of the CAD system is
PDMS softwares /STRUCTURE databases, possess each attribute in the database (in i.e./STRUCTURE databases
" Attributes "), it includes：Type, Name, Spref, Bangle, Gtype, Cutlength, Posstart and Posend
Deng, the database function it is powerful, with database structure simple but with logicality, it correspond to substantial amounts of build-in attribute,
If build-in attribute is not enough or inapplicable, Custom Attributes can be also added.
Illustrated by taking support of duct 4063-SH-VAS163 as an example below using the built-in PML of PDMS softwares to CAD model
Key feature information the step of extracted：
As shown in figure 4, the support name in list box, by cyclic program to the pass of the support all steel constructions under one's name
Key characteristic information carries out traversal extraction, and stores in array, is easy to subsequent calls and carries out analytic geometry calculating, key feature
(code is integrated in the command stream export module of the CAD/CAE integration tools information extraction part code, the order conductance
Go out module referring to Fig. 9) it is as follows：
do！i from 1to！count by 1(！Count variables are used to count the support number in list box)
！Stru='/'+！supname[$！I] (being successively read each support name)
var！allsctn coll all sctn for$！Stru (is stored in variable all steel constructions of each support！
In allsctn, and travel through in turn, read key feature information.)
Var！col11Eval Type for all from！allsctn
Var！col12Eval Name for all from！allsctn
Var！col13Eval Spref for all from！allsctn
Var！col14Eval Bangle for all from！allsctn
Var！col15Eval Gtype for all from！allsctn
Var！col16Eval Cutlength for all from！allsctn
Var！col17Eval Posstart in world for all from！allsctn
Var！col18Eval Posend wrt world for all from！allsctn
。。。
(information of reading being stored in array, be easy to subsequent calls or calculating)
do！nt indices！col11
！col1.append(！col11[$！nt])
！col2.append(！col12[$！nt])
！col3.append(！col13[$！nt])
！col4.append(！col14[$！nt])
！col5.append(！col15[$！nt])
！col6.append(！col16[$！nt])
！col7.append(！col17[$！nt])
！col8.append(！col18[$！nt])
。。。
enddo
Enddo
Hereinafter the step of being identified to support load(ing) point is still illustrated by taking support of duct 4063-SH-VAS163 as an example：
As shown in figure 5, the support name in list box search counterlogic point (see the bead in Fig. 5, its coordinate displacement
The center of airduct, i.e., the rectangular center for being surrounded around 4 adjacent angle steels of airduct, the airduct load that support is undertaken is just
Storage is logical point 4063-SH-VAS163/DATUM's:In MDSLoad attributes), and load information is extracted in logical point.
The naming rule of logical point is as follows：
1. when there was only 1 logical point in support of duct, being named as of the logical point " support name "+"/DATUM "；
2. when in support of duct more than 1 logical point, the 2nd and its later logical point are named as support name "+" sequences
Number ".
The otherness of S203, combing CAD model and CAE models, determine the CAD model of the support steel structure has to CAE
The topology conversion relation of meta-model is limited, for example, the connected mode between each shaped steel (SCTN) in support steel structure mainly has
Two kinds：One kind is T fonts termination；Another kind is cross overlap joint, to carry out topological analysis to both structural models, determines it
Topology conversion relation, additionally, for some certain moduli type structures, such as characteristic point of POSS and POSE attributes is located at angle cross section
The steel angle structure of right angle, from from the perspective of FEM model, need not build rigid unit between the crosspoint of two angle steel, therefore
Need individually to consider.Secondly, no matter which type of connection, be required for solve a common problem：Space different surface beeline is handed over
The coordinate of crunode is solved, because even being terminated for T fonts, it is contemplated that CAD model is it sometimes appear that error, two shapes of shaped steel
Heart line is not necessarily coplanar, it is thus necessary to determine that space different surface beeline mutually gives the algorithm that its common vertical line intersecting point coordinate is solved；
For example, to calculate space different surface beeline as shown in figure 11 and its common vertical line intersecting point coordinate, its derivation algorithm is such as
Under：
4 points of known spatial, point A, B constitute straight line L1, and point C, D constitute straight line L2, seek point P on L2, make the distance of P to L1 most
Short, the coordinate of respective point is respectively：
A (Xa, Ya, Za), B (Xb, Yb, Zb), C (Xc, Yc, Zc), D (Xd, Yd, Zd)
1) equation of straight line L1, L2 is obtained
The equation of L1：
The equation of L2：
2) common vertical line direction vector is obtained
It is designated as (E, F, G)
3) plane for making straight line L1 and common vertical line determine is designated as β, solves as follows：
Order：
H=Xb-XaI=Yb-YaJ=Zb-Za
K=Xd-XcL=Yd-YcM=Zd-Zc
N=H*I*L-I2*K-J2*K+H*J*M
O=H2*L-H*I*K-I*J*M+J2*L
P=H*J*K-H2*M-I2*M+I*J*L
Q=-Xa*N+Ya*O-Za*P
Then equation is：
N*x-O*y+P*z+Q=0
4) public solution of plane and straight line L2, the i.e. coordinate of point P are asked
Order：
Then the coordinate value of point P is：
X=K*k+Xc
Y=L*k+Yc
Z=M*k+Zc
The coordinate value of point Q can similarly be asked.
It is also desirable to determine that the judgement recognition methods of various parts (such as various supports) load(ing) point and its coordinate points are solved
Algorithm, for example, the identification of various support load(ing) points needs the particular type with reference to support to judge, the calculation that its coordinate points is solved
Projection point coordinates method for solving of the method reference point to straight line.Fig. 6 is shown to the logical point in load(ing) point, i.e. Fig. 5 to airduct week
Enclose the process that the subpoint of 4 root type steel is identified：
1. logical point to the projection point coordinates of all steel constructions of the support is obtained；
2. exclude the steel construction that subpoint is not fallen within steel construction (i.e. subpoint falls on the extended line of the steel construction)；
3. logical point is obtained to the projector distance of all steel constructions for meeting condition 2 and is sorted in ascending order；
If sequence preceding 4 projector distance less than 50mm (because the minimum gauge of support of duct steel construction is
50x50x7), then the subpoint of preceding 4 root type steel is load(ing) point；
5., if sequence is more than 50mm in preceding 4 projector distance, the subpoint of preceding 2 root type steel is load(ing) point, from the 3rd
Shaped steel starts to judge.If the direction vector of the 3rd root type steel is vectorial vertical (in order to prevent geometrical model from going out with the 1st root type steel
Existing error causes erroneous judgement, and the angle of two vectors is to think to meet condition less than 95 degree more than 85), then the subpoint of the 3rd root type steel
It is load(ing) point；If it is not, then judge the 4th root type steel, the like, until finding the 4 root type steel for meeting condition untill.
According to load(ing) point recognition rule above, the shaped steel of the projector distance minimum of logical point to all steel constructions of the support
As shown in fig. 6, wherein L1=L2<L3<L4=L5 (follow-up to omit).According to above-mentioned 5th article of decision rule, the 3rd bar of shaped steel due to
With first direction vector out of plumb of shaped steel, excluded automatically by program, therefore 4 load(ing) points that program is finally produced are logic
To the subpoint of shaped steel 1,2,4,5, (if identified 4 load(ing) points, program jumps out circulation to point automatically, no longer recognizes next
Individual load(ing) point).
Wherein, the load(ing) point identification division code of the support of duct is as follows：
-- treatment airduct payload node data
if(！at GT 0)then
do！ai to！at
！loadrd1[$！Ai]=！loadrd[$！ai]
！loadrd1[$！ai].Sort()
-- statistics airduct load(ing) point quantity, more than 4, then stop finding load(ing) point.
！Lnum=0
--！loadrd1[$！Ai]=！loadrd[$！ai].SortedIndices()
！K=！loadrd1[$！ai].size()
-- for simple support of duct (4 or 3 root type steel)
-- complicated support of duct (more than 4 root type steel)
-- the qualified load(ing) point of search
else
-- if the minimum 4 root type steel difference of projector distance is less than 50, output preceding 4.
-- if 4 minimum root type steel of projector distance differ by more than 50, output preceding 2.
-- if the 3/4th minimum root type steel of projector distance is vertical with preceding two root types steel, output 3/4 or 4/5.
-- if preceding 4 have 2 eligible (i.e. 3/4 does not meet Rule of judgment), export 5/6.
-- the qualified load(ing) point of search
enddo
endif
-- treatment airduct payload node data
S204, load information analysis is carried out to the support steel structure, automatically generate the charge number of the support steel structure
According to, and be applied on corresponding unit and node, while the load data is combined, for the supporting steel knot
Structure is evaluated.
When mechanical analysis is carried out to support steel structure with Equivalent static method, three kinds of load are mainly considered：Static load is (i.e. certainly
Again), mobile load and seismic (seismal.In these three load, mobile load is definite value, seismic (seismal for support steel structure itself quality and
Its concentrated added mass is multiplied by seismic acceleration calculating, and (seismic (seismal of process pipe support analyzes report from mechanics of piping
Accuse), as long as therefore calculating the dead load of support steel structure.
It is exemplified below the load calculation method of several supporting constructions：
(1) computational methods of support of duct load are analyzed.
The information meter of length, sectional dimension, insulation information and other support items according to support of duct two ends airduct
The dead load of airduct is calculated, is stored in the attribute of the support logical point associated with support of duct.Carrying out the limited of support of duct
, it is necessary to read in the load information of respective logic point during meta analysis, the corresponding node of support of duct FEM model is averagely applied to
On.
(2) computational methods of cable testing bridge support load are analyzed.
The dead load that cable testing bridge support is undertaken is according to the line density of crane span structure inner cable (by the voltage class and support of cable
Disk width is determined), calculated to equivalent length, the weight of fire proofing material etc. of adjacent stent, further according to crane span structure on support
Position be applied on the corresponding unit of FEM model and node.
(3) computational methods of analysis process support of pipelines load.
The load that process pipe support is undertaken comes from pipeline counter-force, it is therefore desirable to according to support coding in mechanics of piping point
The load of correspondence support is searched in analysis result, after calculating analysis, is applied on corresponding node.
S205, based in S201-S204 obtain data information, using the CAD system built-in language development described in
CAD/CAE integration tools.
By a series of preparations of prior step S201-204, including domestic section steel material database exploitation, branch
Characteristic information analysis, model topology relationship analysis and the load information analysis for supportting steel construction can obtain corresponding data money
Material, then just can carry out the exploitation of CAD/CAE integrated softwares.Because PML language is the built-in development languages of PDMS, can be very convenient
Ground carries out secondary development to PDMS using PML, realizes the seamless connection with PDMS, and it has abundant and powerful letter
Number, object and its method, and be easy to create the user interface consistent with PDMS styles, therefore using described in the present embodiment
GTS Creator softwares described in the built-in PML language developments of CAD system, customized expanded function makes up PDMS softwares defeated
The few deficiency of outgoing interface.
Further, also including S206, to the CAD/CAE integration tools test.In order to verify independent development
The correctness and reliability of GTS Creator, will also survey in the present embodiment to the CAD/CAE integration tools for generating
Examination.Specifically, white-box testing method is respectively adopted and Black-box Testing method is verified to software.
Whitepack method is tested by checking code line by line, and program internal logic structure is tightly verified, and in program source
Whether checkpoint is set up in many places in code, consistent with expecting state with the actual motion state for determining program.Meanwhile, according to software
The different test case of Functional Design defined in design instruction, the logical path to code has carried out all standing test.Through
The test checking of whitepack method is crossed, rationally, actual motion state is consistent with expecting state for PML source codes logical construction.
Block box approach is tested by choosing different types of process pipe support, support of duct, cable testing bridge support and joint
Support has carried out substantial amounts of example test to GTS Creator.Tested by block box approach and verified, software fully achieves expected work(
Energy.
Test result shows that correctness and the reliability of GTS Creator not only fully meet nuclear power projects supporting steel knot
The requirement of structure mechanical analysis, and the analysis efficiency of GTS Creator is far above manual analyzing.
Fig. 7 further illustrates the CAD/CAE integration tools, the i.e. structural representation of GTS Creator, and Fig. 8 shows
The user interface of GTS Creator, it includes：
1) " Add " button, i.e. add module, for the CAD model being added into display interface and being shown；For example
The support name in the tree window of Fig. 9 left sides is chosen, is clicked on " Add ", can be added to the support in the window of the right and show between two parties by change
Show.
2) " Remove " button, as shown in figure 9, i.e. remove module, for by the CAD model from the display interface
Remove；For example, clicking on " Remove ", all supports shown in the window of Fig. 9 the right are removed from window.
3) " Len " button, i.e. length display module, the length for showing the structure member in chosen CAD model；
For example, choosing the steel construction of Figure 10 left sides tree window medium-height trestle, click on " Len ", choosing will be shown in Command Window
The length (see Figure 10) of middle steel construction, for filling in LY the and LZ values in GTS command streams：
LY2.180MEM 64
LZ 2.180MEM 64
4) " Spref " button, i.e. specification display module, the rule for showing the structure member in chosen CAD model
Lattice；For example, choosing the steel construction of Figure 10 left sides tree window medium-height trestle, the rule of steel construction are chosen in display in Command Window
Lattice (see Figure 10), inspection model when filled in during analysis report steel construction specification and check, approval report for working out.
5) " Intersection " interface, i.e. error measurement module, for measuring two adjacent structural portions in the CAD model
The geometrical model error of part；The steel construction in the tree window of the left side is for example chosen, " L1 " button is clicked on, an other steel is chosen
Structure, clicks on " L2 " button, then clicks on " Cal " button, will export this two common vertical lines of angle steel (see the line segment in Figure 11
PQ length) and the coordinate value in its crosspoint (see P points in Figure 11 and Q points).The function in CAD model usually without simply missing
Difference than it is larger when use, be mainly used in measure two adjacent steel constructions geometrical model error, for filling in Max
Tolerance (see Figure 12), prevents from, when " Export " button output GTS command streams are clicked on, producing the misconnection of steel construction
(Max Tolerance are excessive) or leakage connection (Max Tolerance are too small).If CAD model does not have geometric error or mistake
Difference is less than 5mm, and Max Tolerance can just export correct CAE models using default value 5mm.
6) " Support List " interface, i.e. support list of file names module, it is specifically included：
6.1) " Name " button, i.e. support name import modul, the support name for that will choose imported into list box and are shown
Show, for example, choosing the support name in Figure 13 in the tree window of the left side, click on " Name " button, support name is importing directly into
Shown in list box on the right of button, standby when being mainly used in deriving single support, can save and be manually entered support name
Trouble.
6.2) " Export " button, i.e. command stream export module, for when showing at least one support in the list box
Institute's standoff order is derived during name and flow to command stream display module and txt file, for example, as shown in figure 13, when button the right
Text box for empty (i.e. at least 1 support name) when, the GTS command streams for deriving support export GTS to button
Shown in Codes, the i.e. text box of command stream display module, while automatic spring GTS orders stream file (txt forms),
It should be noted that Export buttons can both export a GTS command stream for support, it is also possible to while exporting multiple supports
The GTS command streams of (such as combined bracket), GTS orders stream file is all the time with the 1st support name name (see Figure 13).GTS is ordered
Stream is made to be copied and pasted to the Command columns of GTS softwares or with the FILE- in GTS softwares>OPEN menus open the txt of generation
File (see Figure 14 a, 14b), you can quick reconfiguration CAE models (see Figure 15).
The principle of the GTS reconstruct CAE models is as follows：After clicking on Export buttons, program is successively read the right side by circulation
The support name added in the list box of side, and travel through under each support the key feature information of all steel constructions and storage is in phase
In the array answered, and to store data be analyzed calculating, the generation of such as node and unit information：Read steel construction from beginning to end
Two coordinates of the centre of form, the linear equation of steel construction is set up by the two coordinates, and it is several that parsing is carried out to every two steel constructions
What calculates to judge whether two steel constructions are intersected, if intersecting will judge its connection type and obtain crosspoint
Coordinate, and to the distance in these crosspoints to the POSS points (abbreviation of POSITION START, i.e. starting point) of correspondence steel construction
It is ranked up and is sequentially connected the node generation unit after sequence；If do not sorted, the unit for generating is possible to overlap, and is entering
The result of calculation of its output will be wrong, the grid data required for CAE models are generated with this during row finite element analysis.
7) " Load Check " interface, that is, check module, and it is specifically included：
7.1) " Joints " button, for the node number of the CAE FEM models to be included in the CAD model,
For example, after " Support List " interface completes data output, being switched to " Load Check " interface (see Figure 16).Work as button
During the text box blank of top, " Joints " button is clicked on, then the node number of the GTS models that will can be generated is included in PDMS models
In, the node number of easy-to-look-up correspondence support.
The advantage of GTS softwares is that have very powerful calculating analytic function, although it is also provided searches node number
Function, but to be far from CAD software powerful for the three dimensional display capabilities of most of CAE software (particularly GTS), particularly
CAE models, (see Figure 17) when such as steel construction fine strain of millet model of element is more complicated, it is difficult to search some nodes.
During the node number that the text box input above button is wanted to look up, click on " Joints " button, then can be by GTS moulds
The corresponding node number of type is displayed in PDMS models (see Figure 18).
7.2) loading functionality module is checked, for the load(ing) point or load information of the CAE FEM models to be included
In the CAD model, for example, when clicking on certain support name in list box, the loading of the support can be shown in PDMS models
Point and load information, and detailed load information (see Figure 19) is shown in the text box of lower section simultaneously, do not opening GTS models
In the case of just can easily check load information.
7.3) " Clear " button, as shown in figure 19, for by the node number of the CAE FEM models, load(ing) point or load
Lotus information is aobvious to be removed from the CAD model, for example, clicking on " Clear " button, then can show node number and load in CAD model
Lotus erasing of information.
Embodiment two：
Figure 20 shows the structural representation of the CAD/CAE integrated systems of nuclear power plant's support steel structure of the present invention, and it includes：
CAD system, the CAD model for generating support steel structure；
CAD/CAE integration tools, it is integrated in the CAD system, the CAD model for searching for the support steel structure
Data, by the CAD model data conversion of the engineering design structure into can be by the command stream of CAE system identifications, and by the life
Order stream output；
CAE systems, it is reserved with finite element model transformation interface, for receiving the CAD/CAE integration tools output
The command stream, and the CAE FEM models of the support steel structure are reconstructed according to the command stream and is exported.
Preferably, the CAE systems include knowledge base, and the knowledge base is integrated calculating point in the CAE systems
Professional knowledge in terms of analysis, it includes finite element theory and algorithm, related specifications standard etc..Based on the content of the knowledge base,
The CAE systems can be solved and evaluated to CAE models.Substantial amounts of Code for design of steel structures is for example integrated with GTS,
The CAE systems can be automatically found in corresponding specification corresponding formula to carry out steel construction when performing following evaluation command stream
Evaluation.
GTS evaluations command stream includes：
PARAMETERS
CODE AISI89ALL MEMBERS
LOAD LIST 100TO 110
CHECK CODE ALL MEMBERS
Additionally, CAD system, CAE systems, the development procedure of CAD/CAE integration tools, the structure of CAD/CAE integration tools
Composition and effect are identical with embodiment one, will not be repeated here.
In sum, the CAD/CAE integrated approaches and system of the nuclear power plant's support steel structure in the present invention can be by extracting
Key feature information in CAD model, topological transformation is carried out to CAD model, and automatically generate the data lattice that CAE software can be recognized
Formula, finally the quick reconfiguration FEM model in CAE software.On the basis of this new CAD/CAE integrated approaches are grasped, profit
Support steel structure CAD/CAE integration tools are developed with PML, the distortion of CAD/CAE models zero conversion truly is realized.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, it is also possible to instruct the hardware of correlation to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of CAD/CAE integrated approaches of nuclear power plant's support steel structure, it is characterised in that including：
S1, the generation of support steel structure CAD model：The CAD model of support steel structure is generated by CAD system；
S2, CAD/CAE model conversion：The CAD model data of the support steel structure are searched for by CAD/CAE integration tools, will
The CAD model data conversion of the support steel structure into can by the command stream of CAE system identifications, and by the command stream export to
The reserved finite element model transformation interface of the CAE systems；
S3, CAE model are exported：The CAE systems are integrated by CAD/CAE described in reserved finite element model transformation interface
The command stream that instrument is automatically generated, and the support steel structure is reconstructed in the CAE systems according to the command stream
CAE FEM models are simultaneously exported.
2. the method for claim 1, it is characterised in that in step S2, the generation step of the CAD/CAE integration tools
Including：
S201, foundation can be by the domestic profile material databases of the CAE system identifications；
S202, it is identified and analyzed by the attribute to the support steel structure, and it is right in the database of the CAD system
The key feature information of the support steel structure part and the load information of logical point are extracted；
S203, determine the CAD model of the support steel structure to the topology conversion relation of CAE FEM models, determine that space is different
Algorithm, the judgement recognition methods of various parts load(ing) point and its coordinate points that face straight line intersection is solved with its common vertical line intersecting point coordinate
The algorithm of solution；
S204, load information analysis is carried out to the support steel structure, automatically generate the load data of the support steel structure, and
It is applied on corresponding unit and node, while the load data is combined, for entering to the support steel structure
Row evaluation；
S205, based in S201-S204 obtain data information, using the CAD system built-in language development described in CAD/
CAE integration tools.
3. the method for claim 1, it is characterised in that described to be by the command stream of CAE system identifications in step S1
Grid data；The grid data includes：Nodal information, constraint information, unit information, load information and load combinations letter
Breath.
4. method as claimed in claim 3, it is characterised in that the CAD system is PDMS softwares, using the PDMS softwares
Built-in PML language the PDMS softwares /STRUCTURE databases in the key feature information of the support steel structure
And the load information of logical point is extracted；It is integrated using CAD/CAE described in the built-in PML language developments of the PDMS softwares
Instrument.
5. the method for claim 1, it is characterised in that in step S2, the CAD/CAE integration tools include：
Add module, for the CAD model being added into display interface and being shown；
Module is removed, for the CAD model to be removed from the display interface；
Length display module, the length for showing the structure member in chosen CAD model；
Specification display module, the specification for showing the structure member in chosen CAD model；
Error measurement module, the geometrical model error for measuring two adjacent structural parts in the CAD model；
Command stream export module, the support name for that will choose imported into list box and is shown, and when shown in list box to
The standoff order of institute flow to command stream display module and txt file during the list box is derived during few support name；
Command stream display module, the command stream for showing support derived from mentioned order stream export module；
Module is checked, for the node number and/or load(ing) point and/or load information of the CAE FEM models to be included in institute
State in CAD model, be easy to check it or it is removed from the CAD model.
6. a kind of CAD/CAE integrated systems of nuclear power plant's support steel structure, it is characterised in that including：
CAD system, the CAD model for generating support steel structure；
CAD/CAE integration tools, it is integrated in the CAD system, the CAD model number for searching for the support steel structure
According to by the CAD model data conversion of the engineering design structure into can be by the command stream of CAE system identifications, and by the order
Stream output；
CAE systems, it is reserved with finite element model transformation interface, for receiving described in the CAD/CAE integration tools output
Command stream, and the CAE FEM models of the support steel structure are reconstructed according to the command stream and is exported.
7. system as claimed in claim 6, it is characterised in that the generation step of the CAD/CAE integration tools includes：
S201, foundation can be by the domestic profile material databases of the CAE system identifications；
S202, it is identified and analyzed by the attribute to the support steel structure, and it is right in the database of the CAD system
The key feature information of the support steel structure part and the load information of logical point are extracted；
S203, determine the CAD model of the support steel structure to the topology conversion relation of CAE FEM models, determine that space is different
Algorithm, the judgement recognition methods of various parts load(ing) point and its coordinate points that face straight line intersection is solved with its common vertical line intersecting point coordinate
The algorithm of solution；
S204, load information analysis is carried out to the support steel structure, automatically generate the load data of the support steel structure, and
It is applied on corresponding unit and node, while the load data is combined, for entering to the support steel structure
Row evaluation；
S205, based in S201-S204 obtain data information, using the CAD system built-in language development described in CAD/
CAE integration tools.
8. system as claimed in claim 6, it is characterised in that described can be grid data by the command stream of CAE system identifications；
The grid data includes：Nodal information, constraint information, unit information, load information and load combinations information.
9. method as claimed in claim 8, it is characterised in that the CAD system is PDMS softwares, using the PDMS softwares
Built-in PML language the PDMS softwares /STRUCTURE databases in the key feature information of the support steel structure
And the load information of logical point is extracted；It is integrated using CAD/CAE described in the built-in PML language developments of the PDMS softwares
Instrument.
10. system as claimed in claim 6, it is characterised in that the CAD/CAE integration tools include：
Add module, for the CAD model being added into display interface and being shown；
Module is removed, for the CAD model to be removed from the display interface；
Length display module, the length for showing the structure member in chosen CAD model；
Specification display module, the specification for showing the structure member in chosen CAD model；
Error measurement module, the geometrical model error for measuring two adjacent structural parts in the CAD model；
Command stream export module, the support name for that will choose imported into list box and is shown, and when shown in list box to
The standoff order of institute flow to command stream display module and txt file during the list box is derived during few support name；
Command stream display module, the command stream for showing support derived from mentioned order stream export module；
Module is checked, for the node number and/or load(ing) point and/or load information of the CAE FEM models to be included in institute
In stating CAD model, and it is checked or it is removed from the CAD model.
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