CN105701305A - CAE load-step automatic setting method - Google Patents
CAE load-step automatic setting method Download PDFInfo
- Publication number
- CN105701305A CN105701305A CN201610030373.2A CN201610030373A CN105701305A CN 105701305 A CN105701305 A CN 105701305A CN 201610030373 A CN201610030373 A CN 201610030373A CN 105701305 A CN105701305 A CN 105701305A
- Authority
- CN
- China
- Prior art keywords
- load
- cae analysis
- cae
- simulation calculation
- processing software
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention discloses a CAE load-step automatic setting method comprising the following steps: A, using Tcl/Tk program language to compile a simulation calculating program, and integrating the program into a secondary developing interface of CAE analysis pre-treatment software; B, importing a commercial vehicle rack CAE analysis model into the CAE analysis pre-treatment software; C, selecting the commercial vehicle pending part center of mass and setting up temporary nodes; D, inputting masses of commercial vehicle pending parts in sequence in the simulation calculating program; E, selecting the compartment bottom to set up temporary nodes; F, inputting cargo mass in the simulation calculating program; G, selecting the wheel center to set up temporary nodes; H, running the simulation calculating program in the CAE analysis pre-treatment software so as to finish the commercial vehicle rack CAE analysis load-step automatic setting process. The CAE load-step automatic setting method can solve the problems in the prior art that load-step manual setting is inconvenient, low in efficiency, and high in error rate.
Description
Technical field
The present invention relates to machining software technology field, especially a kind of method that can automatically set up commercial car vehicle frame cae analysis load step。
Background technology
When utilizing finite element software to carry out CAE pre-treatment, often relate to the foundation of load step, when particularly commercial car vehicle frame being carried out CAE intensity analysis, substantially have bending, level land startup, common braking, brake hard, common turn to, emergency turn, front-wheel torsion, the load step such as trailing wheel torsion, existing method is progressively manual operations, efficiency is low, and error rate is high。
Summary of the invention
Problem to be solved by this invention is to provide a kind of method automatically setting up CAE load step, processes inconvenience solving existing craft, and efficiency is low, and the problem that error rate is high。
In order to solve the problems referred to above, the technical scheme is that a kind of method automatically setting up CAE load step comprises the following steps: A, the use good simulation calculation program of Tcl/Tk programming language, described simulation calculation program is integrated in the second development interface of cae analysis pre-processing software with the form operating button；Described cae analysis pre-processing software is HyperMesh software；B, by commercial car vehicle frame cae analysis model import cae analysis pre-processing software；C, choose in cae analysis pre-processing software driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre barycenter place set up transient node；D, in the good simulation calculation program of Tcl/Tk programming language, sequentially input the quality of driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre；E, cae analysis pre-processing software is chosen bottom surface, compartment set up transient node；F, in the good simulation calculation program of Tcl/Tk programming language input cargo mass；G, in cae analysis pre-processing software, choose wheel center set up transient node；H, running the simulation calculation program that described Tcl/Tk programming language is good in cae analysis pre-processing software, the automatization namely completing commercial car vehicle frame cae analysis load step sets up process。
In technique scheme, more specifically scheme may is that described simulation calculation program includes: a, input driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre quality, these data are multiplied by acceleration of gravity 9.81 and obtain its weight by described simulation calculation program；B, input goods quality, the qualitative data of described goods is multiplied by acceleration of gravity 9.81 and obtains its weight by simulation calculation Automatic Program, and divided by the number of bottom surface, compartment transient node, obtains the size of uniform load；C, initial time, driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre barycenter place set up Z-direction load collection, obtain X to load collection and Y-direction load collection by replicating, paste, update the method for loading direction；D, according to enterprise's cae analysis specification, wheel center is retrained, and respective loads step is set。
Owing to have employed technique scheme, the present invention compared with prior art has the advantages that
This method automatically setting up CAE load step adopts the mode of programming, only need to select load(ing) point, obligatory point according to the order of sequence, then inputs the mass parameter of correspondence, and the automatization that can realize commercial car vehicle frame cae analysis load step sets up。Solve and set up the problem that load step need to progressively carry out in the past, substantially increase work efficiency。Often completed a Tianwan businessman in the past to set up 6 hours about consuming time by vehicle carriage cae analysis load step, and used this automatization to set up load one step process, once only need to spend two minutes effective workings, without human attendance in program process。This automatization sets up load one step process and enables from the beginning of 2015 3 months, by by the end of July, has used this program to be successfully completed 30 Tianwan businessmans and has set up by vehicle carriage cae analysis load step, save 180 hours man-hours, by 50 yuan/man-hour calculation, save 9000 yuan altogether, annualized, it is expected to save 21600 yuan/year。
Detailed description of the invention
Below the embodiment of the present invention is described in further detail:
It comprises the following steps: A, the use good simulation calculation program of Tcl/Tk programming language, described simulation calculation program is integrated in the second development interface of cae analysis pre-processing software with the form operating button；Described cae analysis pre-processing software is HyperMesh software；B, by commercial car vehicle frame cae analysis model import cae analysis pre-processing software；C, choose in cae analysis pre-processing software driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre barycenter place set up transient node；D, in the good simulation calculation program of Tcl/Tk programming language, sequentially input the quality of driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre；E, cae analysis pre-processing software is chosen bottom surface, compartment set up transient node；F, in the good simulation calculation program of Tcl/Tk programming language input cargo mass；G, in cae analysis pre-processing software, choose wheel center set up transient node；H, running the simulation calculation program that described Tcl/Tk programming language is good in cae analysis pre-processing software, the automatization namely completing commercial car vehicle frame cae analysis load step sets up process。
Simulation calculation program includes: a, user choose the concentrfated load barycenter place nodes such as each parts of commercial car vehicle frame such as driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre successively by prompting；User inputs the quality of each parts concentrfated load of commercial car vehicle frame one by one by dialog box prompting；Each for commercial car vehicle frame part quality numerical value is multiplied by acceleration of gravity 9.81 by simulation calculation Automatic Program, sets up Z-direction load at commercial car vehicle frame each parts concentrfated load barycenter node place, and these load are stored in the load concentration of Z_Force by name；B, user select goods load(ing) point by prompting；User is by the quality of dialog box prompting input above mentioned goods；Above mentioned goods qualitative data is multiplied by acceleration of gravity 9.81 and obtains its weight by simulation calculation Automatic Program, and divided by the number of the goods load(ing) point selected, at above mentioned goods load(ing) point place, income value is set up Z-direction uniform load, and these load are stored in the load concentration of above-mentioned Z_Force by name；C, initial time, driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre barycenter place set up Z-direction load collection, obtain X to load collection and Y-direction load collection by replicating, paste, update the method for loading direction；The load of the load concentration of above-mentioned Z_Force by name is adopted the method replicating, paste, update loading direction to set up the X Y-direction load collection to load collection and Y_Force by name of X_Force by name respectively by simulation calculation Automatic Program；D, user select wheel center obligatory point by prompting；Clicking simulation calculation program pushbutton, namely simulation calculation program walks automatically according to enterprise's cae analysis criterion settings superimposed load, constraint and load, it is achieved the automatization of commercial car vehicle frame cae analysis load step sets up。
Claims (2)
1. the method automatically setting up CAE load step, it is characterised in that comprise the following steps:
A, the use good simulation calculation program of Tcl/Tk programming language, described simulation calculation program is integrated in the second development interface of cae analysis pre-processing software with the form operating button；Described cae analysis pre-processing software is HyperMesh software；
B, by commercial car vehicle frame cae analysis model import cae analysis pre-processing software；
C, choose in cae analysis pre-processing software driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre barycenter place set up transient node；
D, in the good simulation calculation program of Tcl/Tk programming language, sequentially input the quality of driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre；
E, cae analysis pre-processing software is chosen bottom surface, compartment set up transient node；
F, in the good simulation calculation program of Tcl/Tk programming language input cargo mass；
G, in cae analysis pre-processing software, choose wheel center set up transient node；
H, running the simulation calculation program that described Tcl/Tk programming language is good in cae analysis pre-processing software, the automatization namely completing commercial car vehicle frame cae analysis load step sets up process。
2. the method automatically setting up CAE load step according to claim 1, it is characterised in that described simulation calculation program includes:
A, input driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre quality, these data are multiplied by acceleration of gravity 9.81 and obtain its weight by described simulation calculation program；
B, input goods quality, the qualitative data of described goods is multiplied by acceleration of gravity 9.81 and obtains its weight by simulation calculation Automatic Program, and divided by the number of bottom surface, compartment transient node, obtains the size of uniform load；
C, initial time, driver's cabin, electromotor, battery frame, fuel tank, preprocessor, spare tyre barycenter place set up Z-direction load collection, obtain X to load collection and Y-direction load collection by replicating, paste, update the method for loading direction；
D, according to enterprise's cae analysis specification, wheel center is retrained, and respective loads step is set。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030373.2A CN105701305A (en) | 2016-01-18 | 2016-01-18 | CAE load-step automatic setting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030373.2A CN105701305A (en) | 2016-01-18 | 2016-01-18 | CAE load-step automatic setting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105701305A true CN105701305A (en) | 2016-06-22 |
Family
ID=56227490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610030373.2A Pending CN105701305A (en) | 2016-01-18 | 2016-01-18 | CAE load-step automatic setting method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105701305A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107301287A (en) * | 2017-06-19 | 2017-10-27 | 武汉理工大学 | The method for automatically extracting vehicle body attachment point dynamic stiffness |
| CN112100807A (en) * | 2020-08-05 | 2020-12-18 | 中国第一汽车股份有限公司 | Two-force-rod buckling CAE simulation automatic modeling method |
| CN112307589A (en) * | 2019-07-31 | 2021-02-02 | 比亚迪股份有限公司 | Unit working condition creating method and device, electronic equipment and storage medium |
| CN112395726A (en) * | 2019-07-31 | 2021-02-23 | 比亚迪股份有限公司 | Vehicle support analysis method, system and storage medium |
| CN113486443A (en) * | 2021-06-30 | 2021-10-08 | 重庆长安汽车股份有限公司 | Method and device for automatically establishing towing hook strength CAE analysis step and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984803A (en) * | 2014-04-17 | 2014-08-13 | 中国航空工业集团公司沈阳飞机设计研究所 | Finite element load application method |
| CN104112050A (en) * | 2014-07-23 | 2014-10-22 | 中国人民解放军装甲兵工程学院 | Optimum design method of non-bearing frame structure of light vehicle |
| CN104992006A (en) * | 2015-06-24 | 2015-10-21 | 华晨汽车集团控股有限公司 | Method for establishing CAE linear analysis sub-assembly connection relation |
-
2016
- 2016-01-18 CN CN201610030373.2A patent/CN105701305A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103984803A (en) * | 2014-04-17 | 2014-08-13 | 中国航空工业集团公司沈阳飞机设计研究所 | Finite element load application method |
| CN104112050A (en) * | 2014-07-23 | 2014-10-22 | 中国人民解放军装甲兵工程学院 | Optimum design method of non-bearing frame structure of light vehicle |
| CN104992006A (en) * | 2015-06-24 | 2015-10-21 | 华晨汽车集团控股有限公司 | Method for establishing CAE linear analysis sub-assembly connection relation |
Non-Patent Citations (2)
| Title |
|---|
| 丁涛 等: "HyperMesh二次开发在客车CAE分析前处理上的应用", 《客车技术与研究》 * |
| 龚剑云 等: "HYPERMESH二次开发技术在车架结构分析中的应用", 《计算机光盘软件与应用》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107301287A (en) * | 2017-06-19 | 2017-10-27 | 武汉理工大学 | The method for automatically extracting vehicle body attachment point dynamic stiffness |
| CN112307589A (en) * | 2019-07-31 | 2021-02-02 | 比亚迪股份有限公司 | Unit working condition creating method and device, electronic equipment and storage medium |
| CN112395726A (en) * | 2019-07-31 | 2021-02-23 | 比亚迪股份有限公司 | Vehicle support analysis method, system and storage medium |
| CN112307589B (en) * | 2019-07-31 | 2023-11-14 | 比亚迪股份有限公司 | Unit working condition creation method and device, electronic equipment and storage medium |
| CN112100807A (en) * | 2020-08-05 | 2020-12-18 | 中国第一汽车股份有限公司 | Two-force-rod buckling CAE simulation automatic modeling method |
| CN113486443A (en) * | 2021-06-30 | 2021-10-08 | 重庆长安汽车股份有限公司 | Method and device for automatically establishing towing hook strength CAE analysis step and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105701305A (en) | CAE load-step automatic setting method | |
| CN110119573B (en) | Method and device for extracting static load of vehicle suspension | |
| CN109376378B (en) | Front-back processing method for rapidly extracting rigidity result of white car body mounting point | |
| Schuh et al. | Agile Prototyping for technical systems–Towards an adaption of the Minimum Viable Product principle | |
| CN101436219A (en) | Method for optimizing automobile product development system based on hierarchical decomposition | |
| CN106933617A (en) | Automobile software adaptation system and its adaptation method | |
| CN112287551A (en) | Driving performance system level index decomposition method based on whole vehicle conceptual model | |
| CN113868777A (en) | Method and device for acquiring test load of auxiliary frame strength bench test | |
| CN110414052A (en) | A kind of vehicle structure fatigue life calculation method composed based on digital sample car and virtual road | |
| CN108762749B (en) | System object diagram automatic generation method based on code analysis | |
| US6510357B1 (en) | Automated welding program for full body-in-white finite element assembly | |
| DE102020101357A1 (en) | Method, device, computer program and computer-readable storage medium for energy-efficient operation of a vehicle | |
| Ardiansyah et al. | A parametric cost estimation model to develop prototype of electric vehicle based on activity-based costing | |
| CN113065186B (en) | Load loading method, device, equipment and storage medium | |
| CN104462605A (en) | Database persistent layer frame configuration and modification method and system | |
| CN115795678A (en) | Parameter optimization method and storage medium for conceptual design of vehicle body structure | |
| CN114818414A (en) | Simulation method, device, equipment and medium of transverse stabilizer bar | |
| CN113919199A (en) | Rapid analysis and evaluation method for strength working condition of lightweight steering knuckle | |
| CN105550411B (en) | A kind of flow events monitor method and device that bullet train quickly designs | |
| CN114065387A (en) | Frame optimization method and device, computer equipment and storage medium | |
| CN109614658B (en) | Multidisciplinary optimization platform and multidisciplinary optimization method for automobile air suspension system | |
| CN111597630B (en) | Joint selection method, device, equipment and storage medium | |
| CN104572228A (en) | Node updating method and device | |
| CN114861323A (en) | Vehicle running deviation analysis method, device and equipment and readable storage medium | |
| Coelingh et al. | Self-driving vehicles will revolutionize the transportation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |
|
| RJ01 | Rejection of invention patent application after publication |