CN107291992A - A kind of applicable desert area electronics combined environment test analogue system and method - Google Patents
A kind of applicable desert area electronics combined environment test analogue system and method Download PDFInfo
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Abstract
The present invention proposes a kind of applicable desert area electronics combined environment test analogue system and method, it is intended to realizes and carries out environmental test emulation to electronics, and improves simulation efficiency.System includes pre-processing module, grid model modeling module, generation simulation calculation file module, simulation calculation and post-processing module and file management library module, five modules and the involved software of emulation it is integrated within the system；Method is：Electronics geometrical model is built, while writing the various forms of parametrization journal files of parametrization solver and varying environment of varying environment；Flow field mesh generation is carried out to electronics geometrical model；Generate simulation calculation journal file and simulation calculation SQL UDF files；Read simulation calculation journal file and the self-defined UDF functions stream field mesh generation model of simulation calculation carries out automatic driving simulation and calculated and output result cloud atlas.
Description
Technical field
The invention belongs to simulation technical field, and in particular to a kind of applicable desert area electronics combined environment test is imitated
True system and method, environmental test emulation is carried out available for electronics.
Background technology
China's desert area belongs to typical continental climate, and sunshine is strong, and cold and hot great change, wind great Sha is big, in desert
The influence for the electronics performance that area is used is very big.Generally, wind sand influences the normal work of electronics, and sand grains can enter dress
It is standby interior, abrasion is caused to mechanical part；Too strong solar radiation causes exposed organic material accelerated ageing and efflorescence, and paint accelerates
Fade, rubber aging harden cracking, elasticity lower；The huge temperature difference makes material produce stress because acutely expanding, shrinking, alternately solidifying
Reveal, freeze and scorch, acceleration components, material mechanical damage and the change of electrical property.Therefore, it is necessary to exist for electronics
Desert area ambient influnence and adaptation Journal of Sex Research.
Because the accumulation cycle of Natural Environmental Test data is longer, laboratory environment has certain limitation again, it is impossible to complete
Full up sufficient equipment development, the requirement for producing and using.In order to simulate the actual environment residing for object, the change pair of research environment factor
The influence of product surface and internal components to object, it is necessary to carry out environmental test emulation.Environmental test emulation technology is also known as ring
Border self-adaptive simulation technology or virtual environment l-G simulation test technology, are to apply digital simulation technique, to being equipped in actual environment
The technology that the environmental effect of generation and its influence to equipment are analyzed, evaluated and predicted.Virtual simulation test technology has
Unique advantage, the multi-environment stress response problem of Various Complex that can be difficult to complete to actual tests is simulated；Can be with
Virtual simulation test analysis is carried out to machine system；The deficiency of environmental test can be made up, prolonged experiment can be avoided again
With the expense of great number.Therefore, electronics environmental suitability emulation technology is developed, emulation technology is played and is evaluating equipment environment shadow
Technical advantage on sound, the preferably development and production for equipment and use service, have great importance.
From the point of view of presently disclosed data, the research institution of association area has carried out the environmental test for electronics
Simulation study, its method is to initially set up electronics three-dimensional simulation model and carry out flow field net to it using mesh generation software
Lattice are divided；Then boundary condition, initialization, selection solving model etc. are set according to actual conditions, calculate soft using fluid emulation
Part carries out simulation calculation；Finally export simulation result.However, if input variable slightly changes in l-G simulation test calculating
Become, it is necessary to which all calculating process are re-started, and in l-G simulation test all processes, its process of the test can be used many
Stand alone software is planted, test operation process CIMS is complicated, and test efficiency is low.Such as monarch Wang Li, the paper that Tong Lili is delivered at it
" numerical simulation and wind- tunnel investigation under ground radome wind load " (《Engineering mechanics》2016,33 (S1)：283-289)
In disclose a kind of method for numerical simulation under ground radome wind load, this method sets up radar by using SolidWorks
The miniatures of antenna house, structured grid division, and the model that structured grid has been divided are carried out by ANSYS ICEM CFD
Import in FLUENT and carry out the Flow Field Calculation of wind load.In FLUENT Flow Field Calculations, RNGK- ξ models are selected, and be to wind speed
The numerical simulation of radome under 20m/s, 28m/s and 36m/s and the blast result of wind tunnel experiment are contrasted.It is present
Weak point be：Carry out radome wind load under numerical simulation when, including mesh generation and numerical computations, it is necessary to
Carry out, and lack for the progress secondary development of FLUENT softwares, to radar under different wind speed in different stand alone softwares
When antenna house carries out numerical simulation, it is necessary to calculation process is started anew to reset setting boundary condition, initialization, selection
Solving model etc. is operated, and causes process of the test cumbersome, less efficient.
The content of the invention
It is an object of the invention in view of the above-mentioned problems, proposing a kind of applicable desert area electronics integrated environment examination
Test analogue system and method, it is intended to realize and electronics environmental test is emulated, and improve simulation efficiency.
The present invention technical thought be：Based on the severe complex environment such as the big temperature difference, windy sand and strong solar radiation, build first
Vertical electronics geometrical model, the second development interface then provided using FLUENT, programming parametric User-Defined Functions
UDF files, while utilizing the mode that secondary development is carried out to FLUENT, programming parametric journal file；And it is imitative using being integrated in
Mesh generation software in true system carries out flow field mesh generation to electronics geometrical model, finally, beneficial to being integrated in emulation
Simulation calculation software in system, call parameters journal file and parametrization User-Defined Functions UDF files carry out automatic
Simulation calculation.
According to above-mentioned technical thought, realize that the technical scheme that the object of the invention is taken is：
A kind of applicable desert area electronics combined environment test analogue system, including pre-processing module, grid model
Modeling module, generation simulation calculation file module, simulation calculation and post-processing module and file management library module, five modules
It is integrated in the software involved by emulation in described analogue system, wherein：
Pre-processing module, including l-G simulation test object submodule, write program submodule and write journal file submodule,
Wherein：L-G simulation test object submodule, for building electronics geometrical model；Write program submodule, for write temperature,
Sand dust and temperature, sand dust, the program file of solar radiation integrated environment；Programming parametric journal file submodule, for writing
Electronics geometrical model is in temperature, sand dust, the various forms of parametrization journal files of solar radiation environment；
Grid model modeling module, including model read submodule, set up geometrical boundary submodule, apply boundary condition
Module, mesh generation submodule are wherein：Model read submodule, for obtaining electronics geometrical model；Set up geometrical boundary
Submodule, for setting up geometrical boundary to electronics geometrical model；Apply boundary condition submodule, for having set up geometry
The geometrical model on border applies boundary condition；Mesh generation submodule, for being carried out to applying the geometrical model after boundary condition
Flow field mesh generation；
Simulation calculation file module is generated, including single environment generation simulation calculation file submodule, combination environment generation are imitated
True calculation document submodule and integrated environment generation simulation calculation file submodule, wherein：Single environment generation simulation calculation file
Submodule, for generating the simulation calculation of temperature or sand dust or solar radiation simulation calculation journal file and temperature or sand dust certainly
Defined function UDF files；Environment generation simulation calculation file submodule is combined, for generating temperature and sand dust coupling or temperature
And solar radiation coupling or sand dust and solar radiation coupling Simulation calculate journal file and temperature and sand dust or temperature or sand dust are imitative
It is true to calculate SQL UDF files；Integrated environment generates simulation calculation file submodule, for generating temperature, sand dust and too
Sun radiation coupling integrated environment simulation calculation journal file and temperature, sand dust and integrated environment simulation calculation SQL UDF
File；
Simulation calculation and post-processing module, including call simulation software submodule, solve calculating sub module, post processing submodule
Block, wherein：Simulation software submodule is called, for calling simulation calculation software；Calculating sub module is solved, for completing stream field
The simulation calculation of mesh generation model；Submodule is post-processed, for checking simulation result cloud atlas；
File management library module, for storing pre-processing module, grid model modeling module, generation simulation calculation file mould
The destination file of block, simulation calculation and post-processing module.
A kind of above-mentioned applicable desert area electronics combined environment test analogue system, single environment generation emulation meter
Calculate file submodule, including temperature simulation calculation document submodule, sand dust simulation calculation file submodule and solar radiation emulation
Calculation document submodule, wherein：
Temperature simulation calculation document submodule, for generating, temperature simulation calculates journal file and temperature simulation is calculated and made by oneself
Adopted function UDF files；
Sand dust simulation calculation file submodule, makes by oneself for generating sand dust simulation calculation journal file and sand dust simulation calculation
Adopted function UDF files；
Solar radiation simulation calculation file submodule, for generating solar radiation simulation calculation journal file.
A kind of above-mentioned applicable desert area electronics combined environment test analogue system, the combination environment generation emulation
Calculation document submodule, including temperature and sand dust coupling Simulation calculation document submodule, temperature and solar radiation coupling Simulation meter
File submodule and sand dust and solar radiation coupling Simulation calculation document submodule are calculated, wherein：
Temperature and sand dust coupling Simulation calculation document submodule, daily record text is calculated for generating temperature and sand dust coupling Simulation
Part and temperature and sand dust simulation calculation SQL UDF files；
Temperature and solar radiation coupling Simulation calculation document submodule, based on generating temperature and solar radiation coupling Simulation
Calculate journal file and calculate SQL UDF files with temperature simulation；
Sand dust and solar radiation coupling Simulation calculation document submodule, based on generating sand dust and solar radiation coupling Simulation
Calculate journal file and sand dust simulation calculation SQL UDF files.
A kind of applicable desert area electronics combined environment test emulation mode, comprises the following steps：
(1) pre-processing module build electronics geometrical model, while write varying environment parametric program file and
The various forms of parametrization journal files of varying environment, realize that step is：
1a) l-G simulation test object submodule builds electronics geometrical model, and it is simplified, and preserves to file management storehouse
Module；
1b) second development interface provided using simulation calculation software, writes program submodule programming parametric temperature, sand
The SQL UDF files of dirt and integrated environment, and the parameter of required modification is identified, obtain parameterizing self-defined letter
Number UDF files, and preserve to file management library module；
1c) write journal file submodule and write temperature, sand dust and the various forms of parametrization daily records of solar radiation environment
File is simultaneously identified to its parameter, obtains parameterizing journal file, and preserve to file management library module；
(2) grid model modeling module carries out flow field mesh generation to the electronics geometrical model file of reading, obtains
Flow field mesh generation model file, realizes that step is：
2a) grid model modeling submodule calls mesh generation software；
2b) model read submodule reads the electronics geometrical model text in file management storehouse using mesh generation software
Part；
2c) set up geometrical boundary submodule and the electricity that electronics geometrical model file is shown is set up in mesh generation software
The geometrical boundary of son equipment geometrical model；
2d) apply boundary condition submodule in mesh generation software to having set up the electronics geometry mould of geometrical boundary
Type applies boundary condition；
2e) mesh generation submodule enters in mesh generation software to the electronics geometrical model for having applied boundary condition
Row adds the mesh generation of unstrctured grid form based on boundary layer, obtains flow field mesh generation model file, and preserve to file
Manage library module；
(3) generation simulation calculation file module generation simulation calculation journal file and simulation calculation SQL UDF texts
Part, realizes that step is：
3a) generation simulation calculation file module is according to user's request, from single environment generation simulation calculation file submodule bag
Submodule and integrated environment generation simulation calculation text that submodule, the combination environment generation simulation calculation file submodule contained is included
In part submodule, one seed module of any selection；
3b) input step 3a) select submodule correspondence environment needed for variable；
3c) step 3a) submodule selected, the submodule corresponding parametrization day is recalled from file management library module
Will file and parametrization SQL UDF files, and simultaneously make the parameter and parametrization of parameterizing journal file mark by oneself
The parameter of adopted function UDF file identifications, modifies according to the variable of input respectively, obtains simulation calculation journal file and emulation
SQL UDF files are calculated, and are preserved to file management library module；
(4) simulation calculation and post-processing module stream field mesh generation model carry out simulation calculation, obtain simulation result cloud
Figure, realizes that step is：
Simulation software submodule 4a) is called to call simulation calculation software；
4b) solve calculating sub module and the simulation calculation recalled from file management library module is read using simulation calculation software
Journal file and the self-defined UDF function files of simulation calculation, realize that the model that stream field mesh generation model file is shown is carried out
Automatic driving is calculated；
4c) post-processing module is according to user's request, to the flow field mesh generation model after the completion of simulation calculation, sets output
Model face and cloud atlas classification, obtain simulation result cloud atlas, and preserve to file management library module；
5) when user needs again to enter electronics trip temperature, solar radiation, the various forms of examinations of sand dust varying environment
When testing emulation, only step 3 need to be performed)~step 4).
The present invention compared with prior art, has the following advantages that：
1st, the present invention is due in emulation mode, when stream field mesh generation model carries out environmental test simulation calculation, if
When the variable of input changes, simulation calculation journal file and simulation calculation SQL UDF files only need to be regenerated, is passed through
Subfunction handle in integrated software sends message call simulation calculation journal file and simulation calculation SQL UDF files
To realize the secondary development to FLUENT softwares, driving FLUENT carries out simulation calculation, obtains environmental test simulation calculation automatically
As a result, simulation process is simplified, repetitive operation is reduced, shortens calculating cycle, it is compared with prior art, effective to improve
The efficiency of environmental test simulation process.
2nd, the present invention is due in analogue system, the mesh generation prototype software that grid model modeling module is related to
The software interface for the simulation calculation software ANSYS FLUENT that ANSYS ICEM and simulation calculation and post-processing module are related to makes
Used time is integrated within the system, can realize and be switched between different software interface, compared with prior art, further
Improve the efficiency of environmental test simulation process.
3rd, the present invention is due in emulation mode, the second development interface provided using simulation calculation software, write temperature,
Sand dust and temperature, sand dust and solar radiation integrate solver, compensate for FLUENT softwares electronics to temperature, sand dust and
Deficiency in terms of integrated environment simulated environmental test simulation calculation.
Brief description of the drawings
Fig. 1 is the structural representation of analogue system of the present invention；
Fig. 2 is the structural representation of single environment generation simulation calculation file submodule in analogue system of the present invention；
Fig. 3 is the structural representation of combination environment generation simulation calculation file submodule in analogue system of the present invention；
Fig. 4 is the implementation process block diagram of emulation mode of the present invention；
Fig. 5 is the implementation process block diagram of flow field mesh generation in emulation mode of the present invention；
Fig. 6 is simulation calculation and the implementation process block diagram of post processing in emulation mode of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
Reference picture 1, a kind of applicable desert area electronics combined environment test analogue system, including pre-processing module 1,
Grid model modeling module 2, generation simulation calculation file module 3, simulation calculation and post-processing module 4 and file management library module
5, the software involved by five modules and emulation is integrated in described analogue system, wherein：
Pre-processing module 1, including l-G simulation test object submodule 11, write program submodule 12 and write journal file
Module 13, wherein：L-G simulation test object submodule 11, it is several for setting up the emulation of gadget environmental test using commercialization Pro/E
What model, and it is simplified；Program submodule 12 is write, the second development interface provided using FLUENT softwares is used
High-level programming language C writes the SQL UDF files of temperature, sand dust and temperature, sand dust and solar radiation integrated environment, and
Parameter is labelled, wherein temperature solved function couples development with flow field calculation using the big temperature difference, calculate used flow field
Governing equation is Navier Stokes equation equation, and turbulence model uses shear stress mode, structure is obtained based on equation
Build the self-defined UDF function files of inlet velocity contour line；Sand dust flow field sand grains use the discrete particle of fluid emulation software
The saltation of the modeling grains of sand；Motion suspended to dust calculates its concentration distribution using Euler's pseudo fluid model, based on institute
The model method of choosing, respectively obtains the self-defined UDF functions text of the calculating of Inlet dust concentration profile and earth's surface sand grains take-off condition
Part；Integrated environment couple solution according to given daily temperature, wind speed and relative humidity variations rule, respectively obtain distribution of the salinity,
The self-defined UDF function files of moisture distribution and integrated environment parameter；Journal file submodule 13 is write, is compiled using TUI language
Gadget is write in temperature, sand dust, the various forms of parametrization journal files of solar radiation environment and parameter is labelled；
Grid model modeling module 2, including model read submodule 21, set up geometrical boundary submodule 22, apply border
Condition submodule 23 and mesh generation submodule 24, wherein：Model read submodule 21, for passing through business software ANSYS
ICEM obtains gadget environmental test emulation geometrical model；Geometrical boundary submodule 22 is set up, in ANSYS ICEM
Geometrical boundary is set up to gadget geometrical model；Apply boundary condition submodule 23, in ANSYS ICEM to having set up
The geometrical model of geometrical boundary applies boundary condition；Mesh generation submodule 24, in ANSYS ICEM to apply border
Geometrical model after condition carries out adding unstrctured grid form to carry out flow field mesh generation based on boundary layer；
Generate simulation calculation file module 3, including single environment generation simulation calculation file submodule 31, combination environment generation
Simulation calculation file submodule 32 and integrated environment generation simulation calculation file submodule 33, wherein：Single environment generation emulation meter
File submodule 31 is calculated, according to user's request, selection temperature simulation calculation document submodule 311, sand dust simulation calculation file
Module 312 or solar radiation simulation calculation file submodule 313 any one submodule, user input the submodule correspondence of selection
Variable needed for environment, and recall the corresponding parametrization journal file of the submodule and parametrization from file management library module 5
In SQL UDF files, and the parameter and parameter SQL UDF files that will be identified in parametrization journal file simultaneously
The parameter of mark is modified according to the variable of input respectively, obtains the corresponding simulation calculation journal file of selection submodule and imitative
It is true to calculate SQL UDF files, and preserve to file management library module 5；
Environment generation simulation calculation file submodule 32 is combined, according to user's request, selection temperature and sand dust coupling Simulation
Calculation document submodule 321 or temperature and solar radiation coupling Simulation calculation document submodule 322 or sand dust and solar radiation coupling
Any one submodule of conjunction simulation calculation file submodule 323, the variable that user is inputted needed for the submodule correspondence environment of selection,
And recall the corresponding parametrization journal file of the submodule and parametrization SQL UDF texts from file management library module 5
Part, and the parameter for parameterizing the parameter identified in journal file and parameter SQL UDF file identifications is distinguished into root simultaneously
Modified according to the variable of input, obtain the corresponding simulation calculation journal file of selection submodule and simulation calculation SQL
UDF files, and preserve to file management library module 5；
Integrated environment generation simulation calculation file submodule 33, user's input integrated environment simulation calculation file submodule pair
The variable needed for environment is answered, and recalls the corresponding parametrization journal file of the submodule from file management library module 5 and makes by oneself
Adopted function UDF files, and will parameterize the parameter identified in journal file and parametrization SQL UDF file identifications simultaneously
Parameter modified respectively according to the variable of input, obtain integrated environment simulation calculation journal file and temperature, sand dust and comprehensive
Cyclization border simulation calculation SQL UDF files, and preserve to file management library module 5；
Simulation calculation and post-processing module 4, including call simulation software submodule 41, solve calculating sub module 42, rear place
Submodule 43 is managed, wherein：Simulation software submodule 41 is called, for calling simulation calculation software ANSYS FLUENT；Solve meter
Operator module, for recalling simulation calculation journal file and simulation calculation SQL UDF texts from file management library module 5
Part, solves the emulation meter that calculating sub module 42 completes stream field mesh generation model using simulation calculation software ANSYS FLUENT
Calculate；Post-process after submodule 43, the simulation calculation for completing stream field mesh generation model, the flow field grid calculated is drawn
Sub-model sets output model surface and cloud atlas classification, checks output simulation result cloud atlas, and preserve to file management library module
5；
File management library module 5, for storing pre-processing module 1, grid model modeling module 2, generation simulation calculation text
The destination file of part module 3, simulation calculation and post-processing module 4.
Reference picture 2, single environment generation simulation calculation file submodule 31, including temperature simulation calculation document submodule 311,
Sand dust simulation calculation file submodule 312 and solar radiation simulation calculation file submodule 313, wherein：
Temperature simulation calculation document submodule 311, for generating, temperature simulation calculates journal file and temperature simulation is calculated
SQL UDF files；
Sand dust simulation calculation file submodule 312, for generating sand dust simulation calculation journal file and sand dust simulation calculation
SQL UDF files；
Solar radiation simulation calculation file submodule 313, for generating solar radiation simulation calculation journal file.
Reference picture 3, combination environment generation simulation calculation file submodule 32, including temperature and sand dust coupling Simulation calculate text
Part submodule 321, temperature and solar radiation coupling Simulation calculation document submodule 322 and sand dust and solar radiation coupling Simulation meter
File submodule 323 is calculated, wherein：
Temperature and sand dust coupling Simulation calculation document submodule 321, day is calculated for generating temperature and sand dust coupling Simulation
Will file and temperature, sand dust simulation calculation SQL UDF files；
Temperature and solar radiation coupling Simulation calculation document submodule 322, it is imitative for generating temperature and solar radiation coupling
It is true to calculate journal file and temperature simulation calculating SQL UDF files；
Sand dust and solar radiation coupling Simulation calculation document submodule 323, it is imitative for generating sand dust and solar radiation coupling
It is true to calculate journal file and sand dust simulation calculation SQL UDF files.
A kind of reference picture 4, electronics desert area combined environment test emulation mode, comprises the following steps：
Step 1, electronics geometrical model is built, while writing sand dust, temperature and sand dust, temperature, solar radiation synthesis
The various forms of parametrization journal files of parametric program file and temperature, sand dust, solar radiation integrated environment of environment, are realized
Step is：
Step 1a, l-G simulation test object submodule 11 utilizes Pro/E business software component gadget geometrical models, and right
It is simplified, and is exported * .igs model files and is preserved to file management library module 5；
Step 1b, the second development interface provided using FLUENT softwares, temperature, sand are write using high-level programming language C
Dirt and temperature, sand dust and the SQL of solar radiation UDF files, and parameter is labelled, wherein temperature solved function
Solved using the big temperature difference and development is coupled with flow field calculation, it is Navier Stokes equation to calculate used flow field control equation
Equation, turbulence model uses shear stress mode, obtains building the self-defined UDF letters of inlet velocity contour line based on equation
Number file；Sand dust flow field sand grains simulate the saltation of the grains of sand using the discrete particle method of fluid emulation software；To dust
Suspended motion calculates its concentration distribution using Euler's pseudo fluid model, based on selected model method, respectively obtains Inlet dust
The self-defined UDF function files of calculating of concentration profile and earth's surface sand grains take-off condition；Integrated environment couple solution is according to given
Daily temperature, wind speed and relative humidity variations rule, respectively obtain the self-defined of distribution of the salinity, moisture distribution and integrated environment parameter
UDF function files；；
Step 1c, writes journal file submodule 13 and writes journal file, and its file content is command stream line by line, including
The parameters such as grid file, boundary condition setting, the selection of solver, the output of result of calculation are read, and these parameters are carried out
Mark, obtains the various forms of parametrization journal files of temperature, sand dust, solar radiation integrated environment；
Step 2, grid model modeling module 2 carries out flow field mesh generation, implementation step to electronics geometrical model
Reference picture 5：
Step 2a, grid model modeling module 2 calls ANSYS ICEM mesh generation softwares；
Step 2b, model read submodule 21 reads file management library module 5 using ANSYS ICEM mesh generations software
In electronics * .igs geometrical model files；
Step 2c, sets up geometrical boundary submodule 22 in ANSYS ICEM mesh generation softwares to electronics geometry mould
The electronics geometrical model that type file is shown sets up geometrical boundary；
Step 2d, applies boundary condition submodule 23 in ANSYS ICEM mesh generation softwares to having set up geometrical boundary
Electronics geometrical model apply boundary condition；
Step 2e, mesh generation submodule 24 is in ANSYS ICEM mesh generation softwares to having applied the electricity of boundary condition
Son equipment geometrical model add based on boundary layer the mesh generation of unstrctured grid form, and its trellis-type is divided into four sides
Body, obtains flow field mesh generation model file, and preserve to file management library module 5；
Step 3, generation simulation calculation file module 3 generates simulation calculation journal file and simulation calculation SQL
UDF files, realize that step is：
Step 3a, generation simulation calculation file module 3 is according to user's request, from single environment generation simulation calculation file submodule
Temperature simulation calculating sub module 311, sand dust simulation calculation submodule 312 and solar radiation simulation calculation submodule that block 31 is included
313rd, combination environment generation simulation calculation file submodule 32 is included temperature and sand dust coupling Simulation calculation document submodule
321st, temperature and solar radiation coupling Simulation calculation document submodule 322 and sand dust and solar radiation coupling Simulation calculation document
In module 323 and integrated environment generation simulation calculation file submodule 33, one seed module of any selection；
Step 3b, user input step 3a) select submodule correspondence environment needed for variable；
Step 3c, step 3a) submodule selected, the corresponding ginseng of the submodule is recalled from file management library module 5
Numberization journal file and parametrization SQL UDF files, and the parameter and parameter of journal file mark will be parameterized simultaneously
Change SQL UDF file identifications parameter modified respectively according to input variable, obtain simulation calculation journal file and
Simulation calculation SQL UDF files, and preserve to file management library module 5；
Step 4, simulation calculation and post-processing module 4 realize simulation calculation and post processing, implementation step reference picture 6：
Step 4a, calls simulation software submodule 41 to call ANSYS FLUENT simulation calculation softwares；
Step 4b, is solved calculating sub module 42 and is read using ANSYS FLUENT simulation calculations software from file management storehouse mould
The self-defined UDF function files of simulation calculation journal file and simulation calculation that block 5 is recalled, realize stream field mesh generation model text
The model that part is shown carries out automatic driving and calculated；
Step 4c, post-processing module 43 is according to user's request, to the flow field mesh generation model after the completion of simulation calculation, if
Output model face and cloud atlas classification are put, simulation result cloud atlas is obtained, and preserve to file management library module 5；
Step 5, when user needs again to enter electronics trip temperature, solar radiation, sand dust varying environment multi-form
Test simulation when, only need to perform step 3~step 4.
Above description is only example of the present invention, does not constitute any limitation of the invention, it is clear that for this
, all may be without departing substantially from the principle of the invention, structure after present invention and principle has been understood for the professional in field
In the case of, the various modifications and changes in form and details are carried out, but these modifications and variations based on inventive concept are still
Within the claims of the present invention.
Claims (4)
1. a kind of applicable desert area electronics combined environment test analogue system, it is characterised in that including pre-processing module,
Grid model modeling module, generation simulation calculation file module, simulation calculation and post-processing module and file management library module, should
Software involved by five modules and emulation is integrated in described analogue system, wherein：
Pre-processing module, including l-G simulation test object submodule, write program submodule and write journal file submodule, its
In：L-G simulation test object submodule, for building electronics geometrical model；Program submodule is write, for writing temperature, sand
Dirt and temperature, sand dust, the program file of solar radiation integrated environment；Programming parametric journal file submodule, for writing electricity
Son equipment geometrical model is in temperature, sand dust, the various forms of parametrization journal files of solar radiation environment；
Grid model modeling module, including model read submodule, set up geometrical boundary submodule, apply boundary condition submodule
Block, mesh generation submodule, wherein：Model read submodule, for obtaining electronics geometrical model；Set up geometrical boundary
Module, for setting up geometrical boundary to electronics geometrical model；Apply boundary condition submodule, for having set up geometrical edge
The geometrical model on boundary applies boundary condition；Mesh generation submodule, for being flowed to applying the geometrical model after boundary condition
Field mesh generation；
Generate simulation calculation file module, including single environment generation simulation calculation file submodule, combination environment generation emulation meter
File submodule and integrated environment generation simulation calculation file submodule are calculated, wherein：Single environment generation simulation calculation file submodule
Block, the simulation calculation for generating temperature or sand dust or solar radiation simulation calculation journal file and temperature or sand dust is self-defined
Function UDF files；Environment generation simulation calculation file submodule is combined, for generating temperature and sand dust coupling or temperature and too
Sun radiation coupling or sand dust and solar radiation coupling Simulation calculate journal file and counted with temperature and sand dust or temperature or sand dust emulation
Calculate SQL UDF files；Integrated environment generates simulation calculation file submodule, for generating temperature, sand dust and sun spoke
Penetrate coupling integrated environment simulation calculation journal file and temperature, sand dust and integrated environment simulation calculation SQL UDF files；
Simulation calculation and post-processing module, including call simulation software submodule, solve calculating sub module, post processing submodule,
Wherein：Simulation software submodule is called, for calling simulation calculation software；Calculating sub module is solved, for completing stream field net
The simulation calculation of lattice partitioning model；Submodule is post-processed, for checking simulation result cloud atlas；
File management library module, for store pre-processing module, grid model modeling module, generation simulation calculation file module,
The destination file of simulation calculation and post-processing module.
2. a kind of applicable desert area electronics combined environment test analogue system according to claim 1, its feature
It is, single environment generation simulation calculation file submodule, including temperature simulation calculation document submodule, sand dust simulation calculation
File submodule and solar radiation simulation calculation file submodule, wherein：
Temperature simulation calculation document submodule, for generating, temperature simulation calculates journal file and temperature simulation calculates self-defined letter
Number UDF files；
Sand dust simulation calculation file submodule, for generating sand dust simulation calculation journal file and the self-defined letter of sand dust simulation calculation
Number UDF files；
Solar radiation simulation calculation file submodule, for generating solar radiation simulation calculation journal file.
3. a kind of applicable desert area electronics combined environment test analogue system according to claim 1, its feature
It is, the combination environment generation simulation calculation file submodule, including temperature and sand dust coupling Simulation calculation document submodule,
Temperature and solar radiation coupling Simulation calculation document submodule and sand dust and solar radiation coupling Simulation calculation document submodule, its
In：
Temperature and sand dust coupling Simulation calculation document submodule, for generate temperature and sand dust coupling Simulation calculate journal file with
Temperature and sand dust simulation calculation SQL UDF files；
Temperature and solar radiation coupling Simulation calculation document submodule, day is calculated for generating temperature and solar radiation coupling Simulation
Will file calculates SQL UDF files with temperature simulation；
Sand dust and solar radiation coupling Simulation calculation document submodule, day is calculated for generating sand dust and solar radiation coupling Simulation
Will file and sand dust simulation calculation SQL UDF files.
4. a kind of applicable desert area electronics combined environment test emulation mode, it is characterised in that comprise the following steps：
(1) pre-processing module builds electronics geometrical model, while writing the parametric program file and difference of varying environment
The various forms of parametrization journal files of environment, realize that step is：
1a) l-G simulation test object submodule builds electronics geometrical model, and it is simplified, and preserves to file management storehouse mould
Block；
1b) the second development interface provided using simulation calculation software, write program submodule programming parametric temperature, sand dust and
The SQL UDF files of integrated environment, and the parameter of required modification is identified, obtain parameterizing SQL
UDF files, and preserve to file management library module；
1c) write journal file submodule and write temperature, sand dust and the various forms of parametrization journal files of solar radiation environment
And its parameter is identified, the secondary development to simulation calculation software is realized, obtains parameterizing journal file, and preserve extremely
File management library module；
(2) grid model modeling module carries out flow field mesh generation to electronics geometrical model, obtains flow field mesh generation mould
Type file, realizes that step is：
2a) grid model modeling submodule calls mesh generation software；
2b) model read submodule reads the electronics geometrical model file in file management storehouse using mesh generation software；
2c) set up geometrical boundary submodule and the electronics dress that electronics geometrical model file is shown is set up in mesh generation software
The geometrical boundary of standby geometrical model；
2d) apply boundary condition submodule to apply the electronics geometrical model for having set up geometrical boundary in mesh generation software
Plus boundary condition；
2e) mesh generation submodule carries out base in mesh generation software to the electronics geometrical model for having applied boundary condition
In boundary layer plus the mesh generation of unstrctured grid form, flow field mesh generation model file is obtained, and preserve to file management
Library module；
(3) generation simulation calculation file module generation simulation calculation journal file and simulation calculation SQL UDF files, real
Now step is：
3a) generation simulation calculation file module is included according to user's request from single environment generation simulation calculation file submodule
Submodule and integrated environment generation simulation calculation file that submodule, combination environment generation simulation calculation file submodule are included
In module, one seed module of any selection；
3b) input step 3a) select submodule correspondence environment needed for variable；
3c) step 3a) submodule selected, the corresponding parametrization daily record text of the submodule is recalled from file management library module
Part and parametrization SQL UDF files, and will parameterize the parameter of journal file mark simultaneously and parameterize self-defined letter
The parameter of UDF file identifications is counted, the variable according to needed for the submodule of input correspondence environment is modified respectively, obtains emulation meter
Journal file and simulation calculation SQL UDF files are calculated, and is preserved to file management library module；
(4) simulation calculation and post-processing module stream field mesh generation model carry out simulation calculation, obtain simulation result cloud atlas, real
Now step is：
Simulation software submodule 4a) is called to call simulation calculation software；
4b) solve calculating sub module and utilize simulation calculation software, read the simulation calculation day recalled from file management library module
Will file and the self-defined UDF function files of simulation calculation, realize that the model that stream field mesh generation model file is shown is carried out certainly
Dynamic driving simulation is calculated；
4c) post-processing module, to the flow field mesh generation model after the completion of simulation calculation, sets the mould of output according to user's request
Type face and cloud atlas classification, obtain simulation result cloud atlas, and preserve to file management library module；
5) as user, to need again to enter electronics trip temperature, solar radiation, the various forms of experiments of sand dust varying environment imitative
When true, only step 3 need to be performed)~step 4).
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