CN106874610A - A kind of sloping core earth and rockfill dam modeling method based on VB and CATIA - Google Patents
A kind of sloping core earth and rockfill dam modeling method based on VB and CATIA Download PDFInfo
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Abstract
The invention discloses a kind of earth and rockfill dam informationization modeling method based on VB and CATIA, secondary development is carried out to CATIA based on VB language, call CATIA to be modeled by VB, comprised the following steps：Three-dimensional terrain model is set up based on existing topographic and geologic data；Association VB and CATIA；VB interface of the design comprising position control parameter and shape parameters in VB；Code is write in VB, the axis of dam is created according to axis of dam extreme coordinates；Code is write in VB, design of dam body is completed；Operation program, |input paramete, generation model.The manifestation mode of traditional design mode is abstract, and error correcting capability is low, strongly limit the lifting of design efficiency.This information-based modeling method based on VB and CATIA, make use of secondary development, parametrization and the three-dimensional visualization characteristic of software, can avoid the shortcoming of traditional water conservancy engineering design pattern, improve efficiency.
Description
Technical field
It is particularly a kind of to be based on VB the present invention relates to the Computer-aided Design Technology field of hydraulic engineering（Visual
Basic）With the sloping core earth and rockfill dam modeling method of CATIA.
Background technology
After First computer comes out in the world, computer technology develops with surprising rapidity, CAD
（CAD）Technology is deeply applied to association area, and traditional construction with ruler and compasses also essentially drops out the arena of history.In computer technology day by day
Ripe today, D CAD technology is also widely applied in water conservancy industry engineering.Current design mode height into
It is ripe, do not include between model information, object in the absence of logical relation, therefore design side with complete drawing norm, and each object
Method is simple, but its intuitive and error correcting capability is poor, edit-modify complexity is cumbersome.
With digitized development, start to be applied based on three-dimensional cad technique, integrated, the intelligence of three dimensional design
The advantages such as change, visualization, networking, parallelization are represented, and are the inexorable trends of technological progress.The three of current prevalence both at home and abroad
Dimension design software has a lot, and CATIA is commercially have more influence power a.CATIA is French Da Suo companies exploitation
A BIM for integrating CAD/CAE/CAM（BIM）Software, with powerful solid modelling and curved surface modeling work(
Can, the foundation and modification of all objects can be realized by parametric modeling.The software is just being widely used in Aero-Space, vapour at present
Numerous industries and the fields such as car manufacture, shipbuilding, machine-building.Have due to lacking blanket unified standard and hydraulic engineering
Uniqueness and complexity, the application of three-dimensional design method remain unchanged and show a kind of more backward state, and CATIA is in water conservancy industry
Utilization also not yet popularized.
Complex geologic conditions at hydraulic engineering dam site, be difficult prospecting it is clear, the concept phase design not
One is set to preferred plan.In work progress, with going deep into for construction, geological conditions is further appreciated that, potential weak intercalated layer
Or low-intensity batholith can just be exposed.Therefore due to the uncertainty of geologic condition, the structure type and size and dam of building
The parameters such as axial location have the possibility of adjustment.Due to the complexity of hydraulic engineering, between each structure in work progress
Local contradiction also happens occasionally.These problems will produce larger quantities under traditional two-dimensional design pattern, be unfavorable for lifting
Design efficiency.Therefore the manifestation mode of traditional design mode is abstract, and error correcting capability is low, strongly limit carrying for design efficiency
Rise.
The content of the invention
The technical problems to be solved by the invention overcome the deficiencies in the prior art and provide a kind of based on VB and CATIA
Sloping core earth and rockfill dam modeling method, the information-based modeling method based on VB and CATIA make use of secondary development, the parameter of software
Change and three-dimensional visualization characteristic, improve the design efficiency of hydraulic engineering.
The present invention uses following technical scheme to solve above-mentioned technical problem：
According to a kind of earth and rockfill dam informationization modeling method based on VB and CATIA proposed by the present invention, comprise the following steps：
Step one, three-dimensional terrain model is set up based on existing topographic and geologic data；
Step 2, association VB and CATIA, for realizing that VB is docked with the parameter of CATIA, it is ensured that VB is capable of identify that the pass of CATIA
Code in key word and VB can be performed in CATIA；
Step 3, VB interface of the design comprising position control parameter and shape parameters in VB, position control parameter and shape
Shape control parameter will be input into by the text box at VB interfaces；The position control parameter is axis of dam extreme coordinates；
Step 4, code is write, the axis of dam is created according to axis of dam extreme coordinates；
Step 5, Sketching and the entity stretching for realizing dam body section in the VB based on the axis of dam set up in step 4, and
Realize that boolean orders based on the three-dimensional terrain model set up in step one, and quote the parameter in the text box at VB interfaces, complete
The modeling of dam body.
As a kind of further side of optimization of earth and rockfill dam informationization modeling method based on VB and CATIA of the present invention
Case, the step one is specific as follows：The coordinate points of contour are extracted according to existing topographic map, then all of coordinate points is imported
CATIA is simultaneously fitted to curved surface, is limitation generation three-dimensional terrain model with the curved surface.
As a kind of further side of optimization of earth and rockfill dam informationization modeling method based on VB and CATIA of the present invention
Case, the step 4 is specific as follows：Axis of dam extreme coordinates in step 3, pass through Set in VB written in code windows
Order obtains the three-dimensional terrain model in CATIA, and the phase of axis of dam extreme coordinates is created by AddNewPointCoord orders
Ying Dian, the axis of dam is created by AddNewLinePtPt orders.
As a kind of further side of optimization of earth and rockfill dam informationization modeling method based on VB and CATIA of the present invention
Case, the step 5 is specific as follows：Three-dimensional terrain model and the axis of dam in CATIA is obtained by Set orders, and based on dam axle
Line creates a plane vertical with the axis of dam, and the plane is obtained and as reference planes by Set reference orders,
The two-dimentional sketch of dam body each several part is drawn in the reference planes by CreatePoint orders and CreateLine orders, is led to
Cross constraint orders and row constraint is entered to the overall size of two-dimentional sketch using the shape parameters in step 3, make dam
The size of shell, core-wall and prism drainage is consistent with the shape parameters in the step 3, by pad orders to two-dimentional sketch
Carry out stretching and form entity, the intersection of the three-dimensional terrain model in subtracting the entity and step one is finally ordered with boolean,
Complete design of dam body.
As a kind of further side of optimization of earth and rockfill dam informationization modeling method based on VB and CATIA of the present invention
Case, the shape parameters include each crest elevation and width, packway cope level and width, the dam body upstream and downstream gradient and
Core-wall cope level and the upstream and downstream gradient；The packway cope level and width include the cope level and width of drainage prism,
The dam body upstream and downstream gradient includes the gradient of drainage prism.
The present invention uses above technical scheme compared with prior art, with following technique effect：
（1）The present invention changes the problem of the intuitive deficiency of conventional two-dimensional modeling, by threedimensional model, design object is richer
Show with having third dimension；When solving the cad technique drawing using two dimension, because necessary modification repeatedly causes a large amount of repetition
The problem of work；Traditional design pattern is changed in design concept and mode, design efficiency is obtained from information-based angle
To basic lifting, make result of design more accurate；Deeper utilization is carried out to the model that this modeling method is set up, can be produced
The efficiency benefit of Sheng Genggao；
（2）Design object is presented with intuitively threedimensional model with the D modeling function of CATIA as core for the present invention, makes mould
Type is clear and intuitive, more facilitates designer to illustrate the design concept of oneself；The outer routine call interface of process based on CATIA, leads to
Cross VB language carries out secondary development to CATIA, forms a kind of model parameter and easily changes, and the informationization of model generation automation is built
Mould mode, reduces repeated work, improves designing quality；
（3）A kind of earth and rockfill dam informationization modeling method based on VB and CATIA of the present invention, is applicable not only to earth and rockfill dam,
It is also applied for the basic dam type such as gravity dam, arch dam, buttress dam；Meanwhile, the model set up based on the present invention can also enter one
Step carries out the work such as the amount of filling calculating, finite element analysis and generation two-dimensional engineering graphic；In a word, because the present invention is based on informationization
Modeling concept has good universality, can be applied to various dam types, or even various hydro-structures, and the model set up is not only
Configuration shows are confined to, may be based on the model carries out the analysis of profound level, has good application prospect in water conservancy industry.
Brief description of the drawings
Fig. 1 is flow chart of the method for the present invention；
Fig. 2 is VB surface charts of the invention；
Fig. 3 is dam body three-dimensional model diagram of the invention；
Fig. 4 is block mold layout drawing of the invention.
Mark in accompanying drawing is construed to：1 is the axis of dam, and 2 is dam shell, and 3 is core-wall, and 4 is drainage prism, and 5 is dimensional topography
Model.
Specific embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：
Protection scope of the present invention is not limited only to the description of present embodiment.
A kind of earth and rockfill dam informationization modeling method based on VB and CATIA, flow as shown in Figure 1 is comprised the following steps that：
Step one, three-dimensional terrain model 5 as shown in Figure 4 is set up based on existing topographic and geologic data：
The coordinate points of contour are extracted according to existing topographic map, all coordinate points are then imported into CATIA and curved surface is fitted to, with
The curved surface is limitation generation three-dimensional terrain model.
Step 2, association VB and CATIA：
Quote the CATIA library files of correlation as needed in VB, and by associated codes VB and CATIA, realize VB and CATIA
Parameter docking, it is ensured that the code in VB can recognize CATIA in the follow-up secondary development keyword and VB can be in CATIA
Perform.Association code is as follows：
Dim catia As Object
On Error Resume Next
Set catia = GetObject(, "catia.application")
If Err.Number <> 0 Then
Set catia = CreateObject("catia.application")
catia.Visible = True
End If
On Error GoTo 0
Step 3, as shown in Figure 2 VB interface of the design comprising position control parameter and shape parameters in VB：
Position control parameter is axis of dam extreme coordinates；Shape parameters include crest elevation and width, packway cope level
With width, the dam body upstream and downstream gradient and core-wall cope level and the upstream and downstream gradient；Packway cope level and width include draining
The cope level and width of rib body, the dam body upstream and downstream gradient include the gradient of drainage prism.
Above parameter will be input into by the text box at VB interfaces, it is ensured that the parameter variability in secondary development.Additionally, setting again
Put the integrality that order control ensures command calls.
Step 4, code is write, the axis of dam 1 is created according to axis of dam extreme coordinates：
Axis of dam extreme coordinates in step 3, are ordered in obtaining CATIA in VB written in code windows by " Set "
Existing object --- three-dimensional terrain model, is ordered by " AddNewPointCoord " and creates the corresponding of axis of dam extreme coordinates
Point, is ordered by " AddNewLinePtPt " and creates the axis of dam, completes to create the secondary development process of the axis of dam.Wherein, due to
The connection of VB and CATIA, the code in VB can be performed in CATIA.Partial key code is as follows：
' after the fullpath where opening the threedimensional model of landform using Open, then obtain Part objects
Set partDocument1=catia.Documents.Open (" complete file path ")
Set part1 = partDocument1.Part
…………
' create two points with the axis of dam extreme coordinates in VB
Set hybridShapePointCoord1 = hybridShapeFactory1.AddNewPointCoord(Val
(X1.Text), Val(Y1.Text), Val(Z1.Text))
…………
Set hybridShapePointCoord2 =
hybridShapeFactory1.AddNewPointCoord(Val(X2.Text), Val(Y2.Text), Val
(Z2.Text))
…………
' two points for creating are linked to be line, the i.e. axis of dam
Set hybridShapeLinePtPt1 = hybridShapeFactory1.AddNewLinePtPt
(reference1, reference2)
…………
Step 5, Sketching and the entity stretching for realizing dam body section in the VB based on the axis of dam set up in step 4, and
Realize that boolean orders based on the three-dimensional terrain model set up in step one, and quote the control ginseng of the shape in VB interface texts
Number, completes dam body threedimensional model design as shown in Figure 3：
The code of this part is mainly made up of dam shell 2, core-wall 3 and the part of prism drainage 4 three, the written in code thinking class of three parts
Seemingly.Existing object --- three-dimensional terrain model and the axis of dam in obtaining CATIA by Set orders in VB, and based on dam
Axis creates a plane vertical with the axis of dam, and then obtaining the plane by Set reference in VB is used as with reference to flat
Face, the two-dimentional sketch of dam body each several part is drawn by CreatePoint and CreateLine orders in the reference planes, is passed through
Constraint orders enter row constraint using the shape parameters in step 3 to the overall size of two-dimentional sketch, make dam shell,
Core-wall is consistent with the shape parameters in the step 3 with the size of prism drainage, then two-dimentional sketch is entered with pad orders
Row stretching forms entity, and the intersection for subtracting the entity and three-dimensional terrain model is finally ordered with boolean, completes design of dam body.
Wherein, due to the connection of VB and CATIA, the code in VB can be performed in CATIA.Partial key code is as follows：
' working face perpendicular to the axis of dam is created, for creating sketch
Set reference2 = hybridShapes2.Item("Plane.4")
…………
' by creating Points And lines come skeletonizing
Set point2D1 = factory2D1.CreatePoint(-632.476, 2825#)
Set line2D14 = factory2D1.CreateLine(-719.976, 2790#, -632.476, 2825#)
…………
' row constraint is entered to sketch with corresponding text box parameter in VB interfaces
Set reference15 = part1.CreateReferenceFromObject(point2D10)
Set reference16 = part1.CreateReferenceFromObject(point2D11)
Set reference17 = part1.CreateReferenceFromObject(line2D1)
Set constraint7 = constraints1.AddTriEltCst(catCstTypeDistance,
reference15, reference16, reference17)
constraint7.Mode = catCstModeDrivingDimension
Set Length1 = constraint7.Dimension
Length1.Value = m(2) * (h(1) - Val(h_base))
' stretched using boss order
………………
Set shapeFactory1 = part1.ShapeFactory
Set pad1 = shapeFactory1.AddNewPad(sketch1, 235#)
Set limit1 = pad1.SecondLimit
Set length19 = limit1.Dimension
length19.Value = 300#
………………
Therefore, the D modeling function of CATIA is incorporated into and seems there is certain necessity in hydraulic engineering, can not only effectively solved
Certainly the sex chromosome mosaicism directly perceived of X-Y scheme, also can significantly lift design efficiency using its powerful error correcting capability.Meanwhile, can based on VB
The characteristic of secondary development is carried out to CATIA, further all parameters can be embodied in VB interfaces, may be implemented in parametric modeling
The clear presentation of middle model parameter and be easy to modification.
For from universal significance, modeling method of the present invention, it is adaptable to all basic dam type in hydraulic engineering.
Especially, this patent is illustrated for sloping core earth and rockfill dam.Earth and rockfill dam is using the most in current world's Dam constructions engineering
Extensively with a kind of dam type with fastest developing speed, compared with other dam types by greater advantage in terms of economy and construction.Sloping core earth and rockfill dam is
One kind of earth and rockfill dam, the construction interference between its sloping core and dam shell is small compared with core wall dam, but shock resistance and differential settlement is fitted
Answering property is not enough.During designing and building dam, the amount of filling is should to focus on the part of concern, but the meter under traditional design pattern
Calculation process is complicated, result is coarse, and the model set up based on this patent carries out cubing, can effectively solve this problem.Additionally, base
The model set up in the present invention can be combined with finite element software, realize having complementary functions, and threedimensional model can also be used and goes out Two-dimensional Engineering
Figure, further produces design efficiency higher.
Information-based modeling method based on VB and CATIA, make use of secondary development, parametrization and the three-dimensional visualization of software
Characteristic, can avoid the shortcoming of current Hydraulic Engineering Design pattern, improve efficiency.Also, may be used also based on the model that this patent is set up
It is further analyzed calculating.Therefore, this information-based modeling pattern is incorporated into hydraulic engineering, it is meaningful.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned implementation method
Detail, in range of the technology design of the invention, various equivalents can be carried out to technical scheme, this
A little equivalents belong to protection scope of the present invention.
Claims (5)
1. it is a kind of based on VB and CATIA earth and rockfill dam informationization modeling method, it is characterised in that comprise the following steps：
Step one, three-dimensional terrain model is set up based on existing topographic and geologic data；
Step 2, association VB and CATIA, for realizing that VB is docked with the parameter of CATIA, it is ensured that VB is capable of identify that the pass of CATIA
Code in key word and VB can be performed in CATIA；
Step 3, VB interface of the design comprising position control parameter and shape parameters in VB, position control parameter and shape
Shape control parameter will be input into by the text box at VB interfaces；The position control parameter is axis of dam extreme coordinates；
Step 4, code is write, the axis of dam is created according to axis of dam extreme coordinates；
Step 5, Sketching and the entity stretching for realizing dam body section in the VB based on the axis of dam set up in step 4, and
Realize that boolean orders based on the three-dimensional terrain model set up in step one, and quote the parameter in the text box at VB interfaces, complete
The modeling of dam body.
2. it is according to claim 1 it is a kind of based on VB and CATIA earth and rockfill dam informationization modeling method, it is characterised in that
The step one is specific as follows：The coordinate points of contour are extracted according to existing topographic map, then all of coordinate points is imported
CATIA is simultaneously fitted to curved surface, is limitation generation three-dimensional terrain model with the curved surface.
3. it is according to claim 1 it is a kind of based on VB and CATIA earth and rockfill dam informationization modeling method, it is characterised in that
The step 4 is specific as follows：Axis of dam extreme coordinates in step 3, by Set orders in VB written in code windows
The three-dimensional terrain model in CATIA is obtained, the respective point of axis of dam extreme coordinates is created by AddNewPointCoord orders,
The axis of dam is created by AddNewLinePtPt orders.
4. it is according to claim 3 it is a kind of based on VB and CATIA earth and rockfill dam informationization modeling method, it is characterised in that
The step 5 is specific as follows：Three-dimensional terrain model and the axis of dam in CATIA is obtained by Set orders, and based on the axis of dam
A plane vertical with the axis of dam is created, the plane is obtained and as reference planes by Set reference orders, led to
The two-dimentional sketch that dam body each several part is drawn in CreatePoint orders and CreateLine orders in the reference planes is crossed, is passed through
Constraint orders enter row constraint using the shape parameters in step 3 to the overall size of two-dimentional sketch, make dam shell,
The size of core-wall and prism drainage is consistent with the shape parameters in the step 3, and two-dimentional sketch is entered by pad orders
Row stretching forms entity, and the intersection of the three-dimensional terrain model in subtracting the entity and step one is finally ordered with boolean, complete
Into design of dam body.
5. it is according to claim 1 it is a kind of based on VB and CATIA earth and rockfill dam informationization modeling method, it is characterised in that
The shape parameters include each crest elevation and width, packway cope level and width, the dam body upstream and downstream gradient and the heart
Wall cope level and the upstream and downstream gradient；The packway cope level and width include the cope level and width of drainage prism, institute
State the gradient of the dam body upstream and downstream gradient including drainage prism.
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| CN109657290A (en) * | 2018-11-28 | 2019-04-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Core wall dam design method based on CATIA and Excel |
| CN109859317A (en) * | 2019-02-17 | 2019-06-07 | 四川汶马高速公路有限责任公司 | A kind of 3DGIS relief model fast modeling method based on CASS and CATIA |
| CN110188423A (en) * | 2019-05-16 | 2019-08-30 | 广西交通设计集团有限公司 | A kind of linear engineering structure fast B IM modeling method based on FEM meshing |
| CN110287559A (en) * | 2019-06-13 | 2019-09-27 | 水电水利规划设计总院 | A kind of earth material field exploitation planing method based on multi dimension information model |
| CN110984078A (en) * | 2019-12-12 | 2020-04-10 | 中国电建集团中南勘测设计研究院有限公司 | Method for calculating dam crest superelevation of core earth-rock dam |
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| CN116863091A (en) * | 2023-06-30 | 2023-10-10 | 中水珠江规划勘测设计有限公司 | Method and device for creating three-dimensional model of earth-rock dam and extracting engineering quantity |
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|---|---|---|---|---|
| CN109657290A (en) * | 2018-11-28 | 2019-04-19 | 中国电建集团贵阳勘测设计研究院有限公司 | Core wall dam design method based on CATIA and Excel |
| CN109859317A (en) * | 2019-02-17 | 2019-06-07 | 四川汶马高速公路有限责任公司 | A kind of 3DGIS relief model fast modeling method based on CASS and CATIA |
| CN109859317B (en) * | 2019-02-17 | 2022-08-16 | 四川汶马高速公路有限责任公司 | 3DGIS terrain model rapid modeling method based on CASS and CATIA |
| CN110188423B (en) * | 2019-05-16 | 2022-08-09 | 广西交通设计集团有限公司 | Linear engineering structure rapid BIM modeling method based on finite element meshing |
| CN110188423A (en) * | 2019-05-16 | 2019-08-30 | 广西交通设计集团有限公司 | A kind of linear engineering structure fast B IM modeling method based on FEM meshing |
| CN110287559A (en) * | 2019-06-13 | 2019-09-27 | 水电水利规划设计总院 | A kind of earth material field exploitation planing method based on multi dimension information model |
| CN110287559B (en) * | 2019-06-13 | 2023-04-07 | 水电水利规划设计总院 | Multi-dimensional information model-based earth stock ground mining planning method |
| CN110984078A (en) * | 2019-12-12 | 2020-04-10 | 中国电建集团中南勘测设计研究院有限公司 | Method for calculating dam crest superelevation of core earth-rock dam |
| CN111339607B (en) * | 2020-02-28 | 2022-03-01 | 北京航空航天大学 | D-shaped girder blade modeling method and system |
| CN111339607A (en) * | 2020-02-28 | 2020-06-26 | 北京航空航天大学 | D-shaped girder blade modeling method and system |
| CN111950067A (en) * | 2020-08-31 | 2020-11-17 | 天津大学 | BIM-based earth and rockfill dam construction progress dynamic visual simulation method |
| CN111950067B (en) * | 2020-08-31 | 2022-09-30 | 天津大学 | BIM-based earth and rockfill dam construction progress dynamic visual simulation method |
| CN115146363B (en) * | 2022-07-26 | 2023-04-18 | 中铁长江交通设计集团有限公司 | Civil 3D-based damming structure and construction drawing creation method |
| CN116863091A (en) * | 2023-06-30 | 2023-10-10 | 中水珠江规划勘测设计有限公司 | Method and device for creating three-dimensional model of earth-rock dam and extracting engineering quantity |
| CN116863091B (en) * | 2023-06-30 | 2024-01-19 | 中水珠江规划勘测设计有限公司 | Method and device for creating three-dimensional model of earth-rock dam and extracting engineering quantity |
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