CN111597656B - Optimization method for lifting lug of power battery for vehicle - Google Patents
Optimization method for lifting lug of power battery for vehicle Download PDFInfo
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- CN111597656B CN111597656B CN202010424596.3A CN202010424596A CN111597656B CN 111597656 B CN111597656 B CN 111597656B CN 202010424596 A CN202010424596 A CN 202010424596A CN 111597656 B CN111597656 B CN 111597656B
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000005457 optimization Methods 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 41
- 230000001133 acceleration Effects 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- G06F30/17—Mechanical parametric or variational design
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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
- G06F2111/00—Details relating to CAD techniques
- G06F2111/10—Numerical modelling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
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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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- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a method for optimizing a lifting lug of a power battery for a vehicle, which comprises the following steps: obtaining boundary parameters and performance parameters of a lifting lug to be optimized, and obtaining a lifting lug model according to the boundary parameters and the performance parameters; simulating the actual working condition of the lifting lug model according to the preset working condition parameters; and (3) taking volume minimization as a target, adopting a smooth finite element method and a variable density method to perform topology optimization iterative calculation, and optimizing the lifting lug model under actual working conditions to obtain an optimized model. According to the invention, with the aim of minimizing the volume, a smooth finite element method and a variable density method are adopted to perform topological optimization iterative computation on a lifting lug model under an actual working condition, namely, according to a given load condition, constraint conditions and performance indexes, the material distribution of the lifting lug model is subjected to structural optimization in a given design area, so that a lifting lug structure with the smallest volume and capable of meeting the strength of the actual working condition is obtained.
Description
Technical Field
The invention relates to the technical field of structural optimization design, in particular to a method for optimizing a lifting lug of a power battery for a vehicle.
Background
The pure electric automobile is the mainstream of new energy automobile industry, and power battery is the most important structure of electric automobile, and battery package cast aluminum structure box is a feasible technical path, and the lug of cast aluminum box also adopts cast aluminum structure. One end of the lifting lug is welded on the battery pack, and the other end of the lifting lug is fixedly connected on the chassis of the automobile through a bolt hole, so that the lifting lug and the battery pack are fixed together.
However, in the running process of the automobile, the lifting lug is required to bear random vibration of the running of the automobile besides the gravity of the battery, and meanwhile, the lifting lug is required to bear vertical impact when encountering a bulge or a pit, and longitudinal inertial impact is borne when braking or accelerating, so that the power battery bears the impact force in the vertical and longitudinal directions, the lifting lug on the existing battery pack is mostly difficult to bear various impact external forces, the damage probability of the lifting lug of the power battery is higher, and the material waste is caused and the weight is increased when the lifting lug is increased in strength.
Therefore, how to solve the problem that the size of the current battery lifting lug is large and the strength requirement is difficult to meet is a problem to be solved by the person skilled in the art.
Disclosure of Invention
In view of the above, the invention aims to provide an optimization method for a lifting lug of a power battery for a vehicle, which can realize the weight reduction of the lifting lug on the premise of ensuring the use strength of the lifting lug.
In order to achieve the above object, the present invention provides the following technical solutions:
the power battery lifting lug optimizing method for the vehicle comprises the following steps: obtaining boundary parameters and performance parameters of a lifting lug to be optimized, and obtaining a lifting lug model according to the boundary parameters and the performance parameters; simulating the actual working condition of the lifting lug model according to preset working condition parameters; and carrying out topology optimization iterative computation by adopting a smooth finite element method and a variable density method with the volume minimization as a target, and optimizing the lifting lug model under the actual working condition to obtain an optimized model.
Preferably, obtaining the boundary parameter and the performance parameter of the lifting lug to be optimized, and obtaining the lifting lug model according to the boundary parameter and the performance parameter includes: and acquiring the length, width and height of the lifting lug to be optimized, and obtaining a cuboid modeling model serving as a lifting lug model according to the performance parameters of the preset material of the lifting lug to be optimized.
Preferably, setting the actual working condition of the lifting lug model according to the preset working condition parameter includes: determining a bolt hole and a welding surface of the lifting lug model according to preset parameters; applying a preset gravitational load to the welding surface; applying a preset acceleration to the lifting lug model; restricting the freedom of the bolt hole.
Preferably, determining the bolt hole and the welding surface of the lifting lug model according to preset parameters includes: determining the welding surface, wherein the welding surface is one side surface of the cuboid modeling model and is perpendicular to the long side of the cuboid modeling model; the method comprises the steps of determining the bolt hole, wherein the distance between the bolt hole and the welding surface along the long side direction is a preset distance, the distance between the bolt hole and the long side is one half of the length of the wide side, and the bolt hole penetrates through the cuboid modeling model along the height direction of the cuboid modeling model.
Preferably, applying a preset gravitational load to the welding surface includes: and applying a preset gravity load to the center point of the welding surface.
Preferably, applying a preset acceleration to the shackle pattern includes: 3g acceleration in the vertical direction and 1.5g acceleration in the horizontal direction are applied to the lug pattern.
Preferably, constraining the degrees of freedom of the bolt holes includes: six degrees of freedom of the bolt hole are constrained.
Preferably, with the goal of minimizing the structure, performing topology optimization iterative computation by adopting a smooth finite element method and a variable density method, and optimizing the lifting lug model under the actual working condition comprises the following steps: performing grid division on the lifting lug model; determining an optimal design area and a non-optimal design area of the lifting lug model according to preset conditions; constraining preset maximum stress and maximum displacement of the lifting lug model; and carrying out topology optimization iterative computation by adopting a smooth finite element method and a variable density method according to a preset target of structure minimization, and optimizing the optimization design area to obtain an optimization model.
Preferably, the meshing of the lifting lug model includes: the second-order unit grid with the intermediate nodes is adopted, the hexahedral grid is divided into a main body, and the grid size is in the range of 1mm-2mm.
Preferably, the determining the optimal design area and the non-optimal design area of the lifting lug model according to the preset condition includes: the welding surface is a non-optimal design area, and the lifting lug model is an optimal design area except the welding surface.
According to the optimization method of the lifting lug of the vehicle power battery, the boundary parameters and the performance parameters of the lifting lug to be optimized are obtained, then the actual working condition of the lifting lug model is simulated according to the preset working condition parameters, finally, the lifting lug model in the actual working condition is subjected to topological optimization iterative computation by adopting a smooth finite element method and a variable density method with the aim of minimizing the volume, namely, the material distribution of the lifting lug model is subjected to structural optimization in a given design area according to given load conditions, constraint conditions and performance indexes, so that the lifting lug structure with the minimum volume and the strength meeting the actual working condition is obtained.
In addition, according to the lifting lug structure with the minimum volume obtained by theoretical calculation, the secondary design can be performed by combining the manufacturing process, and specifically, the lifting lug structure with the minimum volume obtained by theoretical calculation can be exported and provided for three-dimensional design software to be used as a reference for redesign.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of an embodiment of a method for optimizing a lifting lug of a power battery for a vehicle;
FIG. 2 is a schematic diagram of a cuboid modeling model;
fig. 3 is a schematic structural view of a lifting lug obtained by optimizing the method for optimizing the lifting lug of the power battery for the vehicle.
Wherein 1 is a welding surface and a 2-bolt hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The core of the invention is to provide an optimization method of the lifting lug of the power battery for the vehicle, and the weight reduction of the lifting lug can be realized on the premise of ensuring the use strength of the lifting lug.
Referring to fig. 1 to 3, fig. 1 is a flowchart of an embodiment of a method for optimizing a lifting lug of a power battery for a vehicle according to the present invention; FIG. 2 is a schematic diagram of a cuboid modeling model; fig. 3 is a schematic structural view of a lifting lug obtained by optimizing the method for optimizing the lifting lug of the power battery for the vehicle.
The invention provides a method for optimizing a lifting lug of a power battery for a vehicle, which comprises the following steps: obtaining boundary parameters and performance parameters of a lifting lug to be optimized, and obtaining a lifting lug model according to the boundary parameters and the performance parameters; simulating the actual working condition of the lifting lug model according to the preset working condition parameters; and (3) taking volume minimization as a target, adopting a smooth finite element method and a variable density method to perform topology optimization iterative calculation, and optimizing the lifting lug model under actual working conditions to obtain an optimized model.
The boundary parameters of the lifting lug to be optimized can be the size parameters of the lifting lug to be optimized, and also can be the size parameters of the space between the chassis and the battery pack when the lifting lug to be optimized is connected with the battery pack and the chassis of the automobile, so that the obtained lifting lug model can be the same model as the lifting lug to be optimized, and can be a model larger than the self size of the lifting lug to be optimized.
The preset working condition parameters are constraint and load of the lifting lug in the actual working process, so as to simulate the actual working condition of the lifting lug model, then, the smooth finite element method and the variable density method are adopted to perform topological optimization iterative calculation with the object of volume minimization, and the lifting lug model is optimized, so that the optimized lifting lug model, namely the optimized model, is obtained. .
According to the optimization method of the lifting lug of the vehicle power battery, the boundary parameters and the performance parameters of the lifting lug to be optimized are obtained, then the actual working condition of the lifting lug model is simulated according to the preset working condition parameters, finally, the lifting lug model in the actual working condition is subjected to topological optimization iterative computation by adopting a smooth finite element method and a variable density method with the aim of minimizing the volume, namely, the material distribution of the lifting lug model is subjected to structural optimization in a given design area according to given load conditions, constraint conditions and performance indexes, so that the lifting lug structure with the minimum volume and the strength meeting the actual working condition is obtained.
In addition, according to the lifting lug structure with the minimum volume obtained by theoretical calculation, the secondary design can be performed by combining the manufacturing process, and specifically, the lifting lug structure with the minimum volume obtained by theoretical calculation can be exported and provided for three-dimensional design software to be used as a reference for redesign.
On the basis of the foregoing embodiment, as one preferable aspect, obtaining the boundary parameter and the performance parameter of the lifting lug to be optimized, and obtaining the lifting lug model according to the boundary parameter and the performance parameter includes: the length, the width and the height of the lifting lug to be optimized are obtained, and a cuboid modeling model is obtained and is used as a lifting lug model according to performance parameters of preset materials of the lifting lug to be optimized. That is, in this embodiment, by obtaining the length, width, and height of the lifting lug to be optimized and obtaining a cuboid modeling model of the lifting lug according to the performance parameters of the preset material, for example, the length, width, and height of the lifting lug to be optimized are L, W, H respectively, the preset material is cast aluminum 201, and the performance parameters of the preset material include: elastic modulus 7e4MPa, poisson's ratio of 0.35, density 2750kg/mm 3 And the tensile strength is 145MPa. Thus, a cuboid modeling model with the length, width and height of L, W, H and made of cast aluminum 201 can be obtained.
On the basis of the foregoing embodiment, as one preferable mode, setting the actual working condition of the lifting lug model according to the preset working condition parameter includes: determining a bolt hole and a welding surface of the lifting lug model according to preset parameters; applying a preset gravity load to the welding surface; applying preset acceleration to the lifting lug model; the degrees of freedom of the bolt holes are constrained.
In this embodiment, one end of the lifting lug in the actual working condition is considered to be welded on the battery pack, and the other end of the lifting lug is fixedly connected on the chassis of the automobile through the bolt hole, so that the welding surface and the bolt on the lifting lug model can be determined according to the position relationship between the welding surface on the lifting lug to be optimized and the bolt hole, that is, the preset parameter is the position relationship between the welding surface on the lifting lug and the bolt hole.
The welding surface receives the gravity of the battery pack, so that a gravity load needs to be applied to the welding surface, for example, the gravity of the battery pack is 500Kg, 10 lifting lugs are distributed on the battery pack, the gravity which each lifting lug should bear is 50Kg, the preset gravity load is 50Kg, meanwhile, the lifting lug model can receive other impact forces, and therefore, a preset acceleration needs to be applied to the lifting lug model to simulate the impact force received by the lifting lug model. The bolt hole is fixedly connected with the chassis of the automobile under the actual working condition, so that the degree of freedom of the bolt hole is constrained according to the actual working condition.
On the basis of the foregoing embodiment, considering the specific arrangement manner of the bolt holes and the welding surfaces on the lifting lug model, as one preferable aspect, determining the bolt holes and the welding surfaces of the lifting lug model according to the preset parameters includes: determining a welding surface, wherein the welding surface is one side surface of the cuboid modeling model and is perpendicular to the long side of the cuboid modeling model; and determining a bolt hole, wherein the distance between the bolt hole and the welding surface along the long side direction is a preset distance, the distance between the bolt hole and the long side is one half of the length of the wide side, and the bolt hole penetrates through the cuboid modeling model along the height direction of the cuboid modeling model.
That is, in this embodiment, the bolt hole is disposed at a middle position of the rectangular parallelepiped modeling model along the width direction, and the preset distance may be a distance between the bolt hole on the lifting lug to be optimized and the welding surface, so that the position of the bolt hole may be determined according to the welding surface.
On the basis of the above-described embodiment, considering the specific manner of applying the load on the lug pattern, it is preferable that the application of the preset gravity load to the welding surface includes: a preset gravitational load is applied to the center point of the weld face. On the basis of the above embodiment, preferably, applying the preset acceleration to the shackle pattern includes: 3g acceleration in the vertical direction and 1.5g acceleration in the horizontal direction are applied to the shackle pattern. Of course, the specific numerical values can be flexibly set according to the actual working conditions. As one preferable, the degrees of freedom of the constraint bolt hole include: six degrees of freedom of the bolt hole are constrained.
Based on the above embodiment, as a preferred aspect, with the goal of minimizing the structure, performing topology optimization iterative computation by adopting a smooth finite element method and a variable density method, and optimizing the lifting lug model under the actual working condition includes: grid division is carried out on the lifting lug model; determining an optimal design area and a non-optimal design area of the lifting lug model according to preset conditions; constraining preset maximum stress and maximum displacement of the lifting lug model; and carrying out topology optimization iterative computation by adopting a smooth finite element method and a variable density method according to a preset target of structure minimization, and optimizing an optimization design area to obtain an optimization model. The maximum stress of the constraint lifting lug structure can be 50Mpa, and the maximum displacement can be 0.5mm.
On the basis of the above embodiment, as one preferable, meshing the lifting lug model includes: the second-order unit grid with the intermediate nodes is adopted, the hexahedral grid is used as a main body, and the grid size is 1mm-2mm. Of course, other meshing schemes may be selected as desired.
On the basis of the foregoing embodiment, as one preferable mode, determining the optimal design area and the non-optimal design area of the lifting lug model according to the preset mode includes: the welding surface is a non-optimal design area, and the lifting lug model is an optimal design area except the welding surface. Because the welding surface is welded with the battery pack, in order to ensure the connection reliability of the lifting lug and the battery pack, the integrity of the welding surface should be ensured, and therefore, in the embodiment, the welding surface is used as a non-optimal design area.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The optimization method of the lifting lug of the power battery for the vehicle is described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (7)
1. The method for optimizing the lifting lug of the power battery for the vehicle is characterized by comprising the following steps of:
obtaining boundary parameters and performance parameters of a lifting lug to be optimized, and obtaining a lifting lug model according to the boundary parameters and the performance parameters;
simulating the actual working condition of the lifting lug model according to preset working condition parameters;
performing topology optimization iterative computation by adopting a smooth finite element method and a variable density method with the volume minimization as a target, and optimizing the lifting lug model under actual working conditions to obtain an optimized model;
obtaining boundary parameters and performance parameters of the lifting lug to be optimized, and obtaining a lifting lug model according to the boundary parameters and the performance parameters comprises the following steps: acquiring the length, width and height of the lifting lug to be optimized, and obtaining a cuboid modeling model as a lifting lug model according to the performance parameters of the preset material of the lifting lug to be optimized;
the actual working conditions of the lifting lug model are set according to preset working condition parameters, and the actual working conditions comprise:
determining a bolt hole and a welding surface of the lifting lug model according to preset parameters;
applying a preset gravitational load to the welding surface;
applying a preset acceleration to the lifting lug model;
constraining the degrees of freedom of the bolt holes;
determining bolt holes and welding surfaces of the lifting lug model according to preset parameters comprises the following steps:
determining the welding surface, wherein the welding surface is one side surface of the cuboid modeling model and is perpendicular to the long side of the cuboid modeling model;
the method comprises the steps of determining the bolt hole, wherein the distance between the bolt hole and the welding surface along the long side direction is a preset distance, the distance between the bolt hole and the long side is one half of the length of the wide side, and the bolt hole penetrates through the cuboid modeling model along the height direction of the cuboid modeling model.
2. The method of optimizing a power battery shackle for a vehicle as defined in claim 1, wherein applying a preset gravitational load to the welding surface comprises: and applying a preset gravity load to the center point of the welding surface.
3. The method of optimizing a power battery shackle of a vehicle as defined in claim 2, wherein applying a preset acceleration to the shackle model comprises: 3g acceleration in the vertical direction and 1.5g acceleration in the horizontal direction are applied to the lug pattern.
4. The method of optimizing a power battery shackle for a vehicle as defined in claim 3, wherein constraining the degrees of freedom of the bolt hole comprises: six degrees of freedom of the bolt hole are constrained.
5. The method according to any one of claims 1 to 4, wherein performing topology optimization iterative computation by using a smooth finite element method and a variable density method with the goal of minimizing a structure, and optimizing the lug model under actual conditions includes:
performing grid division on the lifting lug model;
determining an optimal design area and a non-optimal design area of the lifting lug model according to preset conditions;
constraining preset maximum stress and maximum displacement of the lifting lug model;
and carrying out topology optimization iterative computation by adopting a smooth finite element method and a variable density method according to a preset target of structure minimization, and optimizing the optimization design area to obtain an optimization model.
6. The method of optimizing a lifting lug for a vehicle power battery of claim 5, wherein meshing the lifting lug model comprises: the second-order unit grid with the intermediate nodes is adopted, the hexahedral grid is divided into a main body, and the grid size is in the range of 1mm-2mm.
7. The method for optimizing a lifting lug of a power battery for a vehicle according to claim 6, wherein the determining an optimized design area and a non-optimized design area of the lifting lug model according to preset conditions comprises: the welding surface is a non-optimal design area, and the lifting lug model is an optimal design area except the welding surface.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005242679A (en) * | 2004-02-26 | 2005-09-08 | Ngk Insulators Ltd | Structure analysis method for cell structure and cell structure |
| WO2018082642A1 (en) * | 2016-11-04 | 2018-05-11 | 南方科技大学 | Product structure design method |
| CN109726484A (en) * | 2018-12-30 | 2019-05-07 | 北京工业大学 | More material Topology Optimization Design of Continuum Structures methods based on independent Continuous Mappings method |
| CN110162828A (en) * | 2019-03-29 | 2019-08-23 | 江铃汽车股份有限公司 | A kind of battery bag support light-weight design method |
-
2020
- 2020-05-19 CN CN202010424596.3A patent/CN111597656B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005242679A (en) * | 2004-02-26 | 2005-09-08 | Ngk Insulators Ltd | Structure analysis method for cell structure and cell structure |
| WO2018082642A1 (en) * | 2016-11-04 | 2018-05-11 | 南方科技大学 | Product structure design method |
| CN109726484A (en) * | 2018-12-30 | 2019-05-07 | 北京工业大学 | More material Topology Optimization Design of Continuum Structures methods based on independent Continuous Mappings method |
| CN110162828A (en) * | 2019-03-29 | 2019-08-23 | 江铃汽车股份有限公司 | A kind of battery bag support light-weight design method |
Non-Patent Citations (2)
| Title |
|---|
| 王品健等.纯电动汽车动力电池包结构轻量化设计.《汽车技术》.2019,全文. * |
| 郭学兵.基于光滑有限元法的拓扑优化.《中国优秀硕士学位论文全文数据库》.2015,全文. * |
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