CN109918786A - A kind of offshore wind turbine foundation structure automatic analysis system and method - Google Patents
A kind of offshore wind turbine foundation structure automatic analysis system and method Download PDFInfo
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Abstract
The invention discloses a kind of offshore wind turbine foundation structure automatic analysis system and method, analysis system includes the system platform based on EXCEL, the Parameters of Finite Element computing module based on MATLAB program and the finite element structural analysis module based on ANSYS program；System platform uses office software EXCEL for interface, is programmed using the VBA language that EXCEL is carried, and realizes that a key batch processing of MATLAB program, the automatic calling of ANSYS program and N Fans basis automatically analyzes.The operation method of analysis system includes multiple steps.It is friendly interface of the present invention, easy to operate; automation modeling, automated analysis, the automation specification that can complete finite element model are checked; realize the one-touch batch processing analytic function in more Fans bases; it is that strong technical tool is developed in offshore wind farm scale, there is very wide engineer application and promotional value.
Description
Technical field
The present invention relates to a kind of system and method more particularly to a kind of offshore wind turbine foundation structure automatic analysis system and sides
Method.
Background technique
Marine wind electric field exploitation scale is larger, and blower quantity is more, it is few then tens, how then up to a hundred, point of blower foundation
Analysis mainly includes limiting condition analysis, model analysis and analysis of Earthquake Response Spectrum etc..Lead in fan foundation structure analytic process
It often also to carry out multi-model and compare analysis, each blower drill hole geologic parameter is also variant, needs to build one by one using conventional software
Formwork erection type calculates and analyzes, extracts result etc., and manual operation step is various, and not only time-consuming, low efficiency, and is easy to appear and becomes unwoven or untiwisted
Leakage, examination amount are big.
To many parameters, (such as pile lining is thick, diameter, driving depth, geologic parameter, stormy waves stream lotus for offshore wind turbine foundation design
Carry, fan loads etc.) it is more sensitive, it needs constantly to debug repeatedly, to meet the needs of different designs scheme.Conventional method of analysis
Finite element method is mainly used, carries out wave load, stream lotus using wave mechanics, structural mechanics, soil mechanics, aerodynamics etc.
The simulation and calculating of load, pile-soil interaction, wind load, added mass of entrained water etc..Stake soil analysis generallys use p-y curve method, according to not
Soil layer with depth different parameters is calculated, and is applied on structural model in the form of equivalent spring.But existing general have
It limits meta software (such as ANSYS, ABAQUS) or other marine oil and gas development (such as SACS, FDOW) frameworks is more single, tool
There is the defect for modeling repeatedly and extracting result, taking time and effort.
Offshore wind turbine foundation is directly carried out using general finite meta software and calculates analysis, and technical difficulty is high, personnel's technology back
Scape requires height, needs the training of long period that could be competent at.Since such software specific aim is poor, modeling analysis, result extract,
The operating efficiencies such as specification check are low, are not able to satisfy the needs of offshore wind farm blower foundation actual design project.Current ocean engineering
Professional software etc. is eager to excel than general finite meta software specific aim, but this kind of software obtain the widely applied quantity of industry compared with
Few, blower foundation inputoutput data checks in multiple interface operations and modification operating procedure is more, be easy to appear careless mistake, special
It is not to need to carry out artificial repetitive operation one by one to every Fans basis, consume when the more Fans fundamental analysis of progress wind power plant
When it is longer, the degree of automation is still to be improved, it is difficult to adapt to marine wind electric field scale construction development trend.
In addition, occurring scheme change, the change of blower company-information, geologic parameter update in offshore wind turbine foundation design process
Situations such as can occur often, cause calculation analysis work more many and diverse.Simple and many and diverse repeated work even will affect sometimes
To the mood of designer, to cause the decline of finite element analysis quality.
It is currently less specifically for the business software of offshore wind power foundation design, relevant industries or general finite meta software
Operating procedure is various, and input and output are difficult, and specific aim is not strong, not for the function of entire wind electric field blower foundation batch processing analysis
Energy.
For the accelerated development for adapting to marine wind electric field scale exploitation, how quickly, blower foundation is accurately and efficiently completed
Analysis work become industry urgent need to resolve the problem of.
Summary of the invention
In order to solve shortcoming present in above-mentioned technology, the present invention provides a kind of offshore wind turbine foundation structure is automatic
Analysis system and method.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of offshore wind turbine foundation structure is automatic
Analysis system including the system platform based on EXCEL, the Parameters of Finite Element computing module based on MATLAB program and is based on
The finite element structural analysis module of ANSYS program；
System platform uses office software EXCEL for interface, is programmed using the VBA language that EXCEL is carried, and realizes
One key batch processing of MATLAB program, the automatic calling of ANSYS program and N Fans basis automatically analyzes；
Parameters of Finite Element computing module is on the one hand based on the pile-soil interaction curve that MATLAB program completes different soil
It calculates, automatically generates associated data files and curve picture and read for system platform, it is defeated in another aspect automatic Car Plate Reading System platform
The relevant design parameter entered, and destination file is generated with specified data format, it is macro for the ANSYS in finite element structure analysis module
File is called；
Finite element structural analysis module is programmed using ANSYS Parametric Language APDL, and the automatic parameter that reads carries out certainly
Dynamic modeling, automatic operating combination are automatically analyzed and are exported as a result, to complete limiting condition analysis, model analysis and earthquake response
Spectrum analysis；Wherein, limiting condition analysis, model analysis and analysis of Earthquake Response Spectrum command stream are respectively with STA.MAC, MOD.MAC
And EQK.MAC macro document form occurs, and is called automatically by system platform EXCEL；
System platform is realized from MATLAB calculated result file and ANSYS calculated result file respectively using VBA language
Stake soil curve calculated result and finite element structural analysis result are read to computational chart corresponding region, further according to calculated result and specification
It is required that carrying out specification check and list displaying to offshore wind turbine foundation structure using VBA language.
Further, it includes: underlying parameter, geology that system platform EXCEL, which specifies the relevant design parameter inputted in region,
Data, seismologic parameter, environmental parameter, blower and tower parameter；The seismologic parameter includes seismic fortification intensity, design earthquake point
Group, site category；The environmental parameter includes the depth of water, scour depth, wave height, wave period, flow velocity, wind pressure；The blower and tower
Cylinder parameter includes weight center of gravity, tower diameter, length, wall thickness, fan loads.
Further, when finite element structural analysis module carries out model analysis using ANSYS program, Hai Sheng is calculated automatically
The influence of object, added mass of entrained water, pile body inside water-filling quality.
Further, when finite element structural analysis module carries out analysis of Earthquake Response Spectrum using ANSYS program, blower counter-force
Position is located at the top of its single pile, raw using ANSYS unit for the continuity problem for solving tower structure and pile body structure deformation
Dead technology is simulated.
A kind of operation method of offshore wind turbine foundation structure automatic analysis system, overall flow are as follows:
S1, N Fans basis relevant design parameter is inputted in system platform, so that these parameters is concentrated on computational chart solid
Determine region；
S2, batch processing analysis button is clicked, the program of VBA language is used in activation system platform, carry out N Fans basis
It is automatic to calculate, enter step S3；
S3, step S3~S8 are to automatically analyze loop body, from the 1st Fans basis, are calculated one by one to N Fans base
Plinth；System platform calls Parameters of Finite Element computing module, and the parameters of the i-th Fans inputted in read step S1 carry out
The calculating of pile-soil interaction curve data and finite element input data, and write the result into associated documents；
S4, system platform call ANSYS program to read STA.MAC macro document, carry out the i-th Fans basis limiting condition point
Analysis, and write the result into associated documents；
S5, system platform call ANSYS program to read MOD.MAC macro document, carry out the i-th Fans basis model analysis,
And it writes the result into associated documents；
S6, system platform call ANSYS program to read EQK.MAC macro document, carry out the i-th Fans basis earthquake response spectrum
Analysis, and write the result into associated documents；
S7, in system platform EXCEL, read the calculated result of each finite element operating condition in the i-th Fans basis to specified
Region carries out specification check, and check result is exported to specified region；
S8, judge whether i is greater than the total blower number of units N of wind power plant, if being judged as NO, show still to have blower foundation to need point
Analysis, is assigned to i for i+1, is returned to step S3, continue cycling through analysis；If being judged as YES, show that all blower foundations are analyzed
It completes, enters step S9；
S9, all blower foundations calculating are completed, exits circulation, terminates analysis.
It is friendly interface of the present invention, easy to operate, the automation modeling of finite element model, automated analysis, automatic can be completed
Change specification to check, realizes the one-touch batch processing analytic function in more Fans bases, be remarkably improved the design of offshore wind turbine foundation
Efficiency and quality greatly save the times such as organization plan modification, the change of blower data, geologic parameter adjustment, easily facilitate engineering
The optimization of design and scheme comparison are that strong technical tool is developed in offshore wind farm scale, have very wide engineering
Using and promotional value.
Detailed description of the invention
Fig. 1 is the architecture diagram of automatic analysis system.
Fig. 2 is the operation method flow chart of automatic analysis system.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of offshore wind turbine foundation structure automatic analysis system shown in FIG. 1, including the system platform based on EXCEL, base
Parameters of Finite Element computing module in MATLAB program and the finite element structural analysis module based on ANSYS program；
Wherein, ANSYS is melt structure, fluid, electric field, magnetic field, Analysis of The Acoustic Fields in the large-scale general finite element analysis of one
Software can realize the shared and exchange of data with most CAD software interfaces.ANSYS software is in addition to more perfect limited
Outside meta analysis function, while secondary development also being carried out for user and provides a variety of utilities, wherein ANSYS software provides
APDL language is a kind of Parametric designing interpreted language, the APDL command stream text being made up of the order write by APDL language
Part can call the corresponding function in ANSYS software, to be automatically performed some duplicate analysis tasks of complexity.
The programming language that general automation task is executed for multipad Excel is a kind of macrolanguage-VBA
(Visual Basic for Applications).The friendly interface and powerful data processing by Excel can be achieved at present
It is applied in project management and Row control by function in a simpler manner.VBA is used in Excel, it can specification use
The operation at family controls operation behavior, so that operation interface is humanized, makes the manual operations of multiple steps by executing VBA code
It can rapidly realize, develop powerful automated procedures.
MATLAB is an advanced matrix/array language, it includes control statement, function, data structure, input and defeated
Out with Object-Oriented Programming feature.User by read statement and can execute command synchronization in command window, can also first compile
Write application program (M file) the another operation afterwards of what a biggish complexity.In exploitation environment, control user more easily
Make multiple files and graphical window；Function nesting is supported in terms of programming, interruption etc. of having ready conditions；At graphical aspect, have
More powerful figure labeling and processing function；In terms of input and output, can directly it be attached to Excel.
System platform uses office software EXCEL for interface, is programmed using the VBA language that EXCEL is carried, and realizes
One key batch processing of MATLAB program, the automatic calling of ANSYS program and N Fans basis automatically analyzes；
On the one hand Parameters of Finite Element computing module completes the pile-soil interaction curve (p-y) of different soil based on MATLAB program
Calculating, automatically generate associated data files and curve picture for system platform read, another aspect automatic Car Plate Reading System platform
The relevant design parameter of middle input, and destination file is generated with specified data format, in finite element structure analysis module
ANSYS macro document is called；Whole process is not necessarily to carry out manual operation to MATLAB, leads to completely in system platform EXCEL
It crosses VBA program and calls and read automatically result.
It includes: underlying parameter, geologic information, earthquake that system platform EXCEL, which specifies the relevant design parameter inputted in region,
Parameter, environmental parameter, blower and tower parameter；The seismologic parameter includes seismic fortification intensity, classification of design earthquake, place class
Not；The environmental parameter includes the depth of water, scour depth, wave height, wave period, flow velocity, wind pressure；The blower and tower parameter include
Weight center of gravity, tower diameter, length, wall thickness, fan loads.
Finite element structural analysis module is programmed using ANSYS Parametric Language APDL, and the automatic parameter that reads carries out certainly
Dynamic modeling, automatic operating combination are automatically analyzed and are exported as a result, to complete limiting condition analysis, model analysis and earthquake response
Spectrum analysis；Wherein, limiting condition analysis, model analysis and analysis of Earthquake Response Spectrum command stream are respectively with STA.MAC, MOD.MAC
And EQK.MAC macro document form occurs, and is called automatically by system platform EXCEL；Automatic running when calling ANSYS in EXCEL
These macro documents, while the data file of MATLAB output is read, automatic modeling automatically analyzes and exports calculated result, is not necessarily to
Every analysis work can be completed in manual operation ANSYS program.
In addition, calculating marine growth, attached automatically when finite element structural analysis module carries out model analysis using ANSYS program
The even influence of water quality, pile body inside water-filling quality.
When finite element structural analysis module carries out analysis of Earthquake Response Spectrum using ANSYS program, blower counter-force acts on point
At the top of its single pile, for the continuity problem for solving tower structure and pile body structure deformation, using ANSYS element birth and death technology into
Row simulation.
System platform is realized from MATLAB calculated result file and ANSYS calculated result file respectively using VBA language
Stake soil curve calculated result and finite element structural analysis result are read to computational chart corresponding region, is avoided directly to these complexity
Professional software is directly operated, further according to calculated result and code requirement using VBA language to offshore wind turbine foundation structure into
Professional etiquette model is checked and list is shown.All blower foundation relevant design parameters specify region to carry out in EXCEL in the present invention
Input, all blower foundation analysis result datas automatically read EXCEL and specify region, realize a tabular form exhibition of input and output
Show.
As shown in Fig. 2, a kind of operation method of offshore wind turbine foundation structure automatic analysis system, overall flow are as follows:
S1, N Fans basis relevant design parameter is inputted in system platform, so that these parameters is concentrated on computational chart solid
Determine region；
S2, batch processing analysis button is clicked, the program of VBA language is used in activation system platform, carry out N Fans basis
It is automatic to calculate, enter step S3；
S3, step S3~S8 are to automatically analyze loop body, from the 1st Fans basis, are calculated one by one to N Fans base
Plinth；System platform calls Parameters of Finite Element computing module, and the parameters of the i-th Fans inputted in read step S1 carry out
The calculating of pile-soil interaction curve data and finite element input data, and write the result into associated documents；
S4, system platform call ANSYS program to read STA.MAC macro document, carry out the i-th Fans basis limiting condition point
Analysis, and write the result into associated documents；
S5, system platform call ANSYS program to read MOD.MAC macro document, carry out the i-th Fans basis model analysis,
And it writes the result into associated documents；
S6, system platform call ANSYS program to read EQK.MAC macro document, carry out the i-th Fans basis earthquake response spectrum
Analysis, and write the result into associated documents；
S7, in system platform EXCEL, read the calculated result of each finite element operating condition in the i-th Fans basis to specified
Region carries out specification check, and check result is exported to specified region；
S8, judge whether i is greater than the total blower number of units N of wind power plant, if being judged as NO, show still to have blower foundation to need point
Analysis, is assigned to i for i+1, is returned to step S3, continue cycling through analysis；If being judged as YES, show that all blower foundations are analyzed
It completes, enters step S9；
S9, all blower foundations calculating are completed, exits circulation, terminates analysis.
Compared with prior art, the present invention professional specific aim is stronger, the degree of automation is higher, offshore wind turbine foundation can be improved
The efficiency of finite element analysis work reduces technical threshold and the training time of analysis personnel, reduces various manual steps, side
Just work is checked and changed, careless mistake is reduced and improves quality, be the strong technical tool of offshore wind farm large-scale development, it can be significantly
Calculation analysis work efficiency and quality are improved, there is boundless promotional value and very high economic benefit, specific manifestation are as follows:
(1) for parameter input interface using office software EXCEL known to technical staff, friendly interface is swift to operate, avoids
The direct operation of the software highly professional to MATLAB, ANSYS etc., greatly reduces the technical requirements of designer；
(2) automatic analysis system is utilized, it is only necessary to which clicking a key can be realized tens even Fans bases up to a hundred
The various operating conditions of plinth automatically analyze, and so that designer is got rid of a large amount of simple, duplicate software operations, make modeling Analysis
Time be reduced to the 10% of conventional design hereinafter, design work efficiency and quality are substantially increased, especially suitable for sea turn
TV university scale development；
(3) table input of the different various input parameters of blower foundation and a table of various performance analysis results may be implemented
Output, keeps designer very clear to all blower foundation information of entire wind power plant, convenient for design check and correction and summarizes；
(4) in marine wind electric field development process, often occur design scheme change, blower producer data updating,
Geologic data update situations such as, using the system can be rapidly completed tens even Fans fundamental analysis results up to a hundred more
Newly；
(5) can be achieved marine growth, added mass of entrained water, in stake water quality automatic imitation, consider it to foundation structure automatically
The influence of the natural frequency of vibration；
(6) utilize the automatic analysis system, can fast implement the long various design parameters of blower foundation such as stake, stake diameter, wall thickness,
The sensitivity analysis of the depth of water, load, geology etc. obtains the conclusion of regularity, provides reference for engineering design；
(7) utilize the automatic analysis system, the Optimization Work of blower foundation can be rapidly completed, guarantee project safety and
Economy achievees the purpose that marine wind electric field develops " cost efficiency ", promotes the realization of offshore wind farm cheap internet access.
Above embodiment is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the scope of technical solution of the present invention, also belong to this hair
Bright protection scope.
Claims (5)
1. a kind of offshore wind turbine foundation structure automatic analysis system, it is characterised in that: including the system platform based on EXCEL, base
Parameters of Finite Element computing module in MATLAB program and the finite element structural analysis module based on ANSYS program；
The system platform uses office software EXCEL for interface, is programmed using the VBA language that EXCEL is carried, and realizes
One key batch processing of MATLAB program, the automatic calling of ANSYS program and N Fans basis automatically analyzes；
The Parameters of Finite Element computing module is on the one hand based on the pile-soil interaction curve that MATLAB program completes different soil
It calculates, automatically generates associated data files and curve picture and read for system platform, it is defeated in another aspect automatic Car Plate Reading System platform
The relevant design parameter entered, and destination file is generated with specified data format, it is macro for the ANSYS in finite element structure analysis module
File is called；
The finite element structural analysis module is programmed using ANSYS Parametric Language APDL, and the automatic parameter that reads carries out certainly
Dynamic modeling, automatic operating combination are automatically analyzed and are exported as a result, to complete limiting condition analysis, model analysis and earthquake response
Spectrum analysis；Wherein, limiting condition analysis, model analysis and analysis of Earthquake Response Spectrum command stream are respectively with STA.MAC, MOD.MAC
And EQK.MAC macro document form occurs, and is called automatically by system platform EXCEL；
The system platform is realized from MATLAB calculated result file and ANSYS calculated result file respectively using VBA language
Stake soil curve calculated result and finite element structural analysis result are read to computational chart corresponding region, further according to calculated result and specification
It is required that carrying out specification check and list displaying to offshore wind turbine foundation structure using VBA language.
2. offshore wind turbine foundation structure automatic analysis system according to claim 1, it is characterised in that: the system platform
It includes: underlying parameter, geologic information, seismologic parameter, environmental parameter, wind that EXCEL, which specifies the relevant design parameter inputted in region,
Machine and tower parameter；The seismologic parameter includes seismic fortification intensity, classification of design earthquake, site category；The environmental parameter
Including the depth of water, scour depth, wave height, wave period, flow velocity, wind pressure；The blower and tower parameter include that weight center of gravity, tower are straight
Diameter, length, wall thickness, fan loads.
3. offshore wind turbine foundation structure automatic analysis system according to claim 2, it is characterised in that: the finite element knot
When structure analysis module carries out model analysis using ANSYS program, marine growth, added mass of entrained water, pile body inside water-filling are calculated automatically
The influence of quality.
4. offshore wind turbine foundation structure automatic analysis system according to claim 3, it is characterised in that: the finite element knot
When structure analysis module carries out analysis of Earthquake Response Spectrum using ANSYS program, blower counter-force position is located at the top of its single pile, for solution
The certainly continuity problem of tower structure and pile body structure deformation, is simulated using ANSYS element birth and death technology.
5. a kind of operation method of offshore wind turbine foundation structure automatic analysis system as claimed in claim 4, it is characterised in that:
The overall flow of the method is as follows:
S1, N Fans basis relevant design parameter is inputted in system platform, these parameters is made to concentrate on computational chart fixed area
Domain；
S2, batch processing analysis button is clicked, the program of VBA language is used in activation system platform, it is automatic to carry out N Fans basis
It calculates, enters step S3；
S3, step S3~S8 are to automatically analyze loop body, from the 1st Fans basis, are calculated one by one to N Fans basis；System
Platform of uniting calls Parameters of Finite Element computing module, and the parameters of the i-th Fans inputted in read step S1 carry out stake soil work
With the calculating of curve data and finite element input data, and write the result into associated documents；
S4, system platform call ANSYS program to read STA.MAC macro document, carry out the analysis of the i-th Fans basis limiting condition,
And it writes the result into associated documents；
S5, system platform call ANSYS program to read MOD.MAC macro document, carry out the i-th Fans basis model analysis, and will
As a result it is written in associated documents；
S6, system platform call ANSYS program to read EQK.MAC macro document, carry out the i-th Fans basis earthquake response spectrum point
Analysis, and write the result into associated documents；
S7, in system platform EXCEL, read the calculated result of each finite element operating condition in the i-th Fans basis to specified region,
Specification check is carried out, and check result is exported to specified region；
S8, judge whether i is greater than the total blower number of units N of wind power plant, if being judged as NO, show still to there is blower foundation to have it is to be analyzed,
I+1 is assigned to i, is returned to step S3, continues cycling through analysis；If being judged as YES, show that all blower foundations have been analyzed
At entering step S9；
S9, all blower foundations calculating are completed, exits circulation, terminates analysis.
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