CN107194066A - Automobile body-in-white early stage positive development method - Google Patents
Automobile body-in-white early stage positive development method Download PDFInfo
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- CN107194066A CN107194066A CN201710360596.XA CN201710360596A CN107194066A CN 107194066 A CN107194066 A CN 107194066A CN 201710360596 A CN201710360596 A CN 201710360596A CN 107194066 A CN107194066 A CN 107194066A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/06—Multi-objective optimisation, e.g. Pareto optimisation using simulated annealing [SA], ant colony algorithms or genetic algorithms [GA]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
A kind of white body early stage positive development method for belonging to automotive development technical field, this scheme implements the time in automobile body-in-white early stage concept development stage, including five parts：The foundation of early stage parameterized model, early stage concept topological optimization, the parsing of topological optimization result, topological project are preferably and Parameters Optimal Design, various pieces can be parallel according to actual development demand or carried out by several times, during the model structure scheme that generates, to meet engineering actual demand as far as possible, therefore model analysis situation must be fed back into relevant departments in time in the project implementation, optimal screening model scheme, and export the results model after optimization.Present invention design arranges reasonable, complete topology and parameter Optimization Analysis not only can be carried out for white body performance and lightweight, optimization efficiency is improved, is that enterprise brings direct economic benefit while the real work amount and personnel's input of Corporation R ＆ D can also be reduced effectively.
Description
Technical field
A kind of flow scheme for belonging to automobile body-in-white positive development technical field, is particularly suitable for use in white body positive development
During early stage conceptual phase.
Background technology
In the white body early stage concept development stage, due to there is substantial amounts of data not can determine that, traditional design cycle is difficult
Play a role, and the performance of automobile is heavily dependent on the selection of conceptual phase scheme.Many OEM vendors exist at present
Automobile early stage conceptual phase, due to the famine of the information such as CAD model, it is impossible to carry out accurate Performance Analysis,
So relying primarily on simplified model just slightly assess and micro-judgment.
The development process can be earlier participation white body design, design team can in not complete data,
Concept Car body model is quickly set up using Parameterized Software, early stage obtain can with the CAE finite element analysis models of design,
So that CAE team can play a great role in the conceptual phase, the performance of timely mastering concept model, so as to realize analysis-driven
Design, makes design evidence-based, reaches the purpose for shortening concept vehicle body design cycle and reduction development cost.
In existing traditional early stage concept vehicle body design cycle, it is incomplete that structural engineer receives information, causes work blind
Mesh is larger and the design cycle is longer.Therefore CAE engineer is also difficult to obtain complete CAD digital-to-analogues in design early stage, so that nothing
Method is analyzed and optimized to body structure so that can not quickly be found specific structure problem in research and development early stage, and then is difficult to
The suggestion of validity is proposed to the stage, interdepartmental communication exchange is hindered, it is impossible to which the design of effective guarantee subsequently is needed
Ask.Moreover, CAD geometrical models are either changed, or modification CAE analysis model, all it is quite cumbersome and time-consuming thing, no
Flexibility with modification.
The content of the invention
The present invention is in view of the shortcomings of the prior art, it is proposed that a kind of new white body population parameter based on early stage positive development
Change design of Simulation solution, the CAE finite element analysis models that can be obtained by design in early days developed in automobile body-in-white,
The performance of timely mastering concept model, so that design is more efficiently, rationally.
The present invention is achieved through technology, and the present invention comprises the following steps：First, according to necessary reference number
According to input, first edition parameterized model and early stage 3D manifold model are set up；Second, according to first edition parameterized model, to vehicle
The performances such as rigidity, mode and collision are estimated, and submit to all departments' confirmation, to there is the risky region of model to carry out specific aim
Optimization, screens with all departments confirm again, by that analogy, until obtaining properties benchmark model up to standard substantially；Meanwhile, profit
Topological calculating is carried out to 3D manifold model with 3D topological optimizations software, various topologies are obtained；3rd, by benchmark model
On the one hand the parameter optimizations such as size, position are carried out, topological optimization are on the one hand carried out, with reference to 2D, 3D topological optimization result and competing product
Car reference configuration, preferably topological project, and be resolved in benchmark model, form conceptual model scheme；4th, by each conception of species mould
Type scheme sorts out screening, and specific aim optimization is carried out to inefficient solution, extracts effective scheme and confirms through being screened with vehicle body department, obtains
Enforceable detailed protocol model；5th, after the detailed protocol model is by Performance Evaluation, finally give various aspects of performance all compared with
For preferable white body model.
Further, in the present invention, necessary reference data includes but is not limited to reference to vehicle, general arrangement, CAS and cut
Face reference data.
Further, in the present invention, the performance condition of first edition model, including but not limited to rigidity, mode and collision.
Further, in the present invention, topological optimization includes 2D topological optimizations and 3D topological optimizations, and wherein 2D topologys are excellent
Change target and include but is not limited to physical dimension, pattern, weight and solder joint.
Further, in the present invention, the setup time node of first edition parameterized model, in automobile body-in-white early stage
The concept development stage.
Further, in the present invention, 2D topological optimizations flow, 3D topological optimization optimization on flowsheet and parameters flows can roots
Accepted or rejected according to actual development demand, or the reasonable arrangement time completes by several times.
Compared with existing automobile body-in-white development process, the beneficial effects of the invention are as follows：In the general of white body early development
Read in the design phase, the program can make CAE analysis whole process intervention, early pinpoint the problems, early solve problem, high degree is improved
Efficiency of research and development and quality, it is ensured that being smoothed out for later stage research and development, effectively reduce R＆D costs.
Brief description of the drawings
Fig. 1 is flow chart of the invention.
Embodiment
Embodiments of the invention are elaborated below in conjunction with the accompanying drawings, the present embodiment is using technical solution of the present invention before
Carry, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following embodiments.
Design of all those skilled in the art of the present technique according to the present invention, passes through logic analysis, reasoning or limited in prior art basis
Available flow scheme is tested, determined by claims of the present invention in protection domain.
Embodiment
First, Forward modeling prepares.According to reference to reference datas such as vehicle, general arrangement, CAS and sections, white body is set up
Parameterize first edition model and 3D manifold models.
Second, according to the performance condition of first edition model, including but not limited to rigidity, mode and collision etc., with relevant departments
Link up and assess, carrying out specific aim optimization to there is the region of risk, reaffirming that can prioritization scheme actually be implemented, finally obtaining
Performance benchmark model up to standard substantially.Meanwhile, according to early stage 3D manifold model, topology is carried out using 3D topological optimizations software
Calculate, obtain various topologies；
3rd, on the one hand benchmark model is subjected to the parameter optimizations such as size, position；On the one hand 2D topological optimizations are carried out, it is excellent
Changing target includes physical dimension, pattern, weight and solder joint etc., while the topological result of calculations of the 3D obtained using previous stage, will
Abstract 3D result of calculations are designed to comply with the actual body structure of every principle (technique, manufacture etc.), excellent with reference to 2D, 3D topology
Change result and competing product car reference configuration, preferably topological project.Combine both and be resolved in benchmark model, form concept mould
Type scheme；
4th, various conceptual model schemes are sorted out and screened, specific aim optimization is carried out to inefficient solution, effectively optimization is extracted
Scheme, confirms through being screened with vehicle body department, the details adjustment of additional model, obtains enforceable detailed protocol model；
5th, after the detailed protocol model is by Performance Evaluation, finally give various aspects of performance all ideal white cars
Body model.
Claims (6)
1. a kind of automobile body-in-white early stage positive development method, it is characterised in that comprise the following steps：First, according to necessary ginseng
Data input is examined, first edition parameterized model and early stage 3D manifold model is set up；Second, according to the performance condition of first edition model
Assess and confirm with all departments, optimize risk zones, confirm again with all departments, it is by that analogy, basic until obtaining properties
Benchmark model up to standard；Meanwhile, topological calculating is carried out to 3D manifold model using 3D topological optimizations software, various open up is obtained
Flutter result；3rd, on the one hand benchmark model is subjected to parameter optimization, topological optimization is on the one hand carried out, with reference to topological optimization result
With competing product car reference configuration, preferably topological project and it is resolved in benchmark model, forms conceptual model scheme；4th, screening is general
Model scheme is read, effective scheme is extracted through confirming with vehicle body department, obtains enforceable detailed protocol model；5th, this is detailed
After scheme model is by Performance Evaluation, various aspects of performance all ideal white body models are finally given.
2. automobile body-in-white early stage positive development method according to claim 1, it is characterised in that the necessary reference
Data, including but not limited to reference to vehicle, general arrangement, CAS and section reference data.
3. automobile body-in-white early stage positive development method according to claim 2, it is characterised in that the first edition model
Performance condition, including but not limited to rigidity, mode and collision.
4. automobile body-in-white early stage positive development method according to claim 3, it is characterised in that the topological optimization bag
2D topological optimizations and 3D topological optimizations are included, wherein 2D topological optimizations target includes but is not limited to physical dimension, pattern, weight and weldering
Point.
5. automobile body-in-white early stage positive development method according to claim 1, it is characterised in that the first edition parametrization
The setup time node of model, in the automobile body-in-white early stage concept development stage.
6. automobile body-in-white early stage positive development method according to claim 1, it is characterised in that opened according to automobile is actual
Heat condition, can be with parallel or progress by several times to improve each front and rear relevant portion of the efficiency program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710360596.XA CN107194066A (en) | 2017-05-21 | 2017-05-21 | Automobile body-in-white early stage positive development method |
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| CN201710360596.XA CN107194066A (en) | 2017-05-21 | 2017-05-21 | Automobile body-in-white early stage positive development method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109800494A (en) * | 2019-01-14 | 2019-05-24 | 湖南大学 | Vehicle body forward direction conceptual design method based on thin wall section attribute |
| CN112363993A (en) * | 2020-10-27 | 2021-02-12 | 上汽通用五菱汽车股份有限公司 | Method, device, system and storage medium for modeling by using parameterized database |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012958A (en) * | 2010-12-29 | 2011-04-13 | 奇瑞汽车股份有限公司 | Method for designing automobile body structure layout |
-
2017
- 2017-05-21 CN CN201710360596.XA patent/CN107194066A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012958A (en) * | 2010-12-29 | 2011-04-13 | 奇瑞汽车股份有限公司 | Method for designing automobile body structure layout |
Non-Patent Citations (2)
| Title |
|---|
| 王国春 等: "基于渐进空间拓扑优化技术的白车身传力路径规划方法", 《中国机械工程》 * |
| 王磊 等: "基于参数化模型的车身结构优化设计", 《2016中国汽车工程学会年会论文集》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109800494A (en) * | 2019-01-14 | 2019-05-24 | 湖南大学 | Vehicle body forward direction conceptual design method based on thin wall section attribute |
| CN109800494B (en) * | 2019-01-14 | 2023-02-17 | 湖南大学 | Vehicle body forward conceptual design method based on thin-wall section attribute |
| CN112363993A (en) * | 2020-10-27 | 2021-02-12 | 上汽通用五菱汽车股份有限公司 | Method, device, system and storage medium for modeling by using parameterized database |
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