CN106055828A - Aluminium wheel assembly design method based on impact strength simulation analysis - Google Patents
Aluminium wheel assembly design method based on impact strength simulation analysis Download PDFInfo
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- CN106055828A CN106055828A CN201610426991.9A CN201610426991A CN106055828A CN 106055828 A CN106055828 A CN 106055828A CN 201610426991 A CN201610426991 A CN 201610426991A CN 106055828 A CN106055828 A CN 106055828A
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- vehicle wheel
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- wheel assembly
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- 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
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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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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention relates to an aluminium wheel assembly design method based on impact strength simulation analysis. A design scheme for an aluminium wheel assembly is verified by establishing a simulated aluminium wheel assembly model and an impact strength test. The method comprises the steps of 1, measuring material characteristics of tyre and aluminium wheel materials; 2, establishing three-dimensional models of a tyre and an aluminium wheel; 3, establishing three-dimensional grids of rubber and the aluminium wheel, establishing two-dimensional grids of a belt layer, a tyre body and a steel wire ring; 4, establishing a tyre air pressure model, and connecting the tyre, a cavity and the aluminium wheel; 5, outputting parameter settings; 6, applying boundary conditions and load definition for the impact test, and further carrying out explicit solution calculation; and 7, analyzing results and optimizing the design. According to the method, the development cycle of the aluminium wheel assembly can be shortened, the vast cost loss of post-design modification resulting from pre-design defects can be avoided, and the reliability of the product is improved.
Description
Technical field
The invention belongs to driving system field, chassis, be specifically related to a kind of aluminum vehicle wheel based on impact strength simulation analysis total
Become method for designing.
Background technology
China's road traffic accident causes serious casualties and property loss in recent years, but also in going up year by year
The trend of liter.Affecting among the factors of traffic safety, whether aluminum vehicle wheel assembly impact strength meets extreme operating condition is wanted
Seeking Truth causes a major reason of vehicle accident.And can meet GB impact test be the threshold that can list of automobile it
One.When automobile is in running at high speed, run into road obstacle, have little time to dodge, make tire and aluminum vehicle wheel by greater impact.For
Evading the design defect of aluminum vehicle wheel assembly, in early stage design process, well the impact strength of prediction aluminum vehicle wheel assembly is particularly
Important, it is the most all to use tire in kind to add aluminum vehicle wheel, is evaluated the impact strength of aluminum vehicle wheel assembly by stand impact test,
But design physics exemplar fabrication cycle is long, causes automobile research cycle stretch-out, simultaneously design physics exemplar cost intensive, strengthen
Development cost.More it is essential that aluminum vehicle wheel assembly is usually calculates cost according to weight, how to meet security performance
Accomplish under premise that lightweight, this test method cannot solve this problem.
At present in Automobile Enterprises and aluminum vehicle wheel manufacturing enterprise, the calculating to impact the most only considers aluminum vehicle wheel, and does not examines
Consider tire, and the mode that impact process is reduced to static loading is carried out；Some enterprise selects a dynamic factor to combine static state
Analyzing and consider to calculate, these two kinds of methods all can not the impact on impact of the reasonable contemplation tire.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is provided that a kind of aluminum vehicle wheel assembly based on impact strength simulation analysis sets
Meter method.By setting up aluminum vehicle wheel assembly model and the impact strength test of a kind of emulation, the design side of checking aluminum vehicle wheel assembly
Case, and then the selection of complete design method and optimization.
In order to solve above-mentioned technical problem, the technical scheme is that
A kind of aluminum vehicle wheel assembly method for designing based on impact strength simulation analysis, is embodied as step as follows:
The first step: measure the mechanics material parameter of Tire rubber material hyperelastic model；Measure the mechanics material of belt
Parameter, the spacing measuring a branch of nylon wire of belt and area, the spacing of a branch of steel wire of measurement belt and area；Measure carcass
The mechanics material parameter of polyester, the area measuring carcass a branch of polyester line and spacing；The mechanics material parameter of measuring steel wire circle and
Spacing between area and the steel wire of steel wire；Measure mechanics material parameter and the stress-strain diagram of aluminum vehicle wheel material；
Second step: according to tire section, measure tire with under aluminum vehicle wheel confined state, rubber body, belt, tire
Body, the geometric data of wire loop, set up tire three-dimensional model；Geometric data according to aluminum vehicle wheel generates aluminum vehicle wheel threedimensional model；
3rd step: utilize tire and aluminum vehicle wheel threedimensional model that second step obtains, set up rubber three-dimensional grid, set up belt
Layer, carcass and the two-dimensional grid of wire loop, set up aluminum vehicle wheel three-dimensional grid；
4th step: utilize the first step and the 3rd step, sets up the material properties of belt, carcass and wire loop, the material of rubber
Material attribute, both combine and set up cord-rubber combined Structural Engineeringization and characterize tire practical structures, set up cavity structure and characterize wheel
Air pressure.And tire, cavity, aluminum vehicle wheel are linked；
5th step: utilize the model that the 4th step obtains, output INP realize cord-rubber combined structural model be of coupled connections,
Test tire pressure, hot melt, air constant, the parameter such as atmospheric pressure, coefficient of contact friction is arranged；
6th step: utilize the model that the 5th step obtains, applies boundary condition and the load definition of impact test, carries out explicit
Solve calculating；
7th step: interpretation of result and design optimization；
Wherein, described aluminum vehicle wheel assembly includes tire and aluminum vehicle wheel；
Described tire three-dimensional model is to utilize HyperMesh software to generate under ABAQUS template；
Described aluminum vehicle wheel threedimensional model generates wheel threedimensional model under HyperMesh program-ABAQUS template；
The material properties of described bundle layer, carcass and wire loop is set up by REBAR model；
The material properties of described rubber is set up by Mooney-Rivlin model；
Described tire pressure is set up cavity structure by FLUID CAVITY model and is characterized；
Described explicit solution is calculated and is completed by ABAQUS software.
Compared with prior art, the actual gain of the present invention is:
One is to carry out physical parameters measurement and collection with reference to actual aluminum vehicle wheel assembly, utilizes cord-rubber combined structure
Through engineering approaches consider real tire construction.
Two is the tire pressure characterizing tire with the cavity model really impact on wheel set rigidity.
Three be considered in real impact by the method for explicit dynamic calculation material nonlinearity, geometrical non-linearity,
Boundary nonlinear problem, simulates the mechanical property of tire, thus has reached to carry out the punching of aluminum vehicle wheel assembly in ABAQUS software
The purpose of hit intensity emulation, has reproduced impact test really.Just aluminum car under operating mode can be impacted with Accurate Prediction in the design phase
The impact strength of wheel assembly also proposes Optimal improvements scheme, shortens the construction cycle, it is to avoid after causing due to early stage design defect
The significant cost loss of phase change in design, improves the reliability of product.
Accompanying drawing explanation
Fig. 1 is the flow chart of the present invention；
Fig. 2 is aluminum vehicle wheel assembly cavity model figure；
Fig. 3 is aluminum vehicle wheel assembly impulsive model figure；
Wherein, 1 be rubber for tire, 2 for belt top layer, 3 for belt intermediate layer, 4 for belt bottom, 5 for carcass,
6 be air, 7 be wire loop, 8 be aluminum vehicle wheel, 9 for drift.
Specific embodiment
Provide embodiments of the invention below according to Fig. 1-3, and be described in further detail.The present embodiment with
Implement under premised on technical solution of the present invention, give detailed embodiment.
The present invention, before modeling, carries out physical parameters measurement and collection with reference first to actual aluminum vehicle wheel assembly；Then
In modeling software, aluminum vehicle wheel assembly is carried out model foundation according to the physical parameter collected；Complete the model of impact test again
Set up, simulate impact test effect；The data obtained finally according to simulation impact test, enter the organization plan of aluminum vehicle wheel assembly
Row Optimal improvements.
Fig. 1 is the implementing procedure figure of the present invention, specifically comprises the following steps that
The first step: measure the mechanics material parameter of Tire rubber material hyperelastic model；Measure the mechanics material of belt
Parameter includes elastic modelling quantity, Poisson's ratio, density etc., and measures spacing and area, the measurement belt of a branch of nylon wire of belt
The spacing of a branch of steel wire of layer and area；The mechanics material parameter measuring carcass polyester includes elastic modelling quantity, Poisson's ratio, density, with
And measure area and the spacing of carcass a branch of polyester line；The mechanics material parameter of measuring steel wire circle and the area of steel wire and steel wire it
Between spacing；Measure mechanics material parameter and the stress-strain diagram of aluminum vehicle wheel material；
Second step: according to tire section, comprises the geometric data of rubber body, belt, carcass, wire loop, utilizes
HyperMesh software generates tire and the threedimensional model of aluminum vehicle wheel under ABAQUS template.
3rd step: utilize tire and aluminum vehicle wheel threedimensional model that second step obtains；Set up rubber three-dimensional grid and select C3D8R
Unit；Set up belt, carcass two-dimensional grid, select SFM3D4R unit；Set up aluminum vehicle wheel three-dimensional grid, select C3D4 unit；
Set up wire loop two-dimensional cell, select SFM3D4R unit.The closed area grid division formed at tire and aluminum vehicle wheel seals surely
The air pressure of capsule of holding one's breath simulation tire.
4th step: utilize the first step, second step and the 3rd step, under HyperMesh program-ABAQUS template, sets up curtain
Line-rubber combined Structural Engineeringization characterizes tire practical structures, and wherein carcass, belt and wire loop imparting REBAR model are fixed
The material properties of justice and material parameter；Rubber gives elastic material attribute and the parameter of Mooney-Rivlin model；Profit
Setting up cavity network with wheel outer surface and tire inner surface and characterize tire pressure, cavity unit gives FLUID CAVITY
Model material properties and material parameter.And by tire, cavity, aluminum vehicle wheel three kinds link.
5th step: utilize the model that the 4th step obtains, exports INP file, uses * Embedded in INP file
Element realizes the coupling of the cord-rubber combined structure of belt, carcass, wire loop and rubber for tire；Use * FLUID
CAVITY realizes the definition of the initial pressure of cavity and tire pressure；Air parameter definition is realized with * PHYSICAL CONSTANTS；
Definition and the impact initial velocity definition of test tire pressure is realized with * Initial Conditions；With * Contact realize tire and
Aluminum vehicle wheel indirectly combine connection；The final FEM (finite element) model realized of definition of drift quality is realized with * MASS.
6th step: carry out explicit solution calculating at ABAQUS software.
7th step: interpretation of result and design optimization.The data obtained according to simulation impact test and curve chart, analyze aluminum car
The static properties of wheel assembly and dynamic property, it is judged that whether the design of aluminum vehicle wheel assembly meets national standard or practical use, if
Judge that aluminum vehicle wheel assembly does not meets standard, the most further analyze and judge influence factor, propose prioritization scheme and then improvement aluminum car
The structure of wheel assembly or size.
Above content is to combine concrete aluminum vehicle wheel assembly impact strength modeling case detailed description made for the present invention,
It is to understand for the ease of person skilled and apply this simulating analysis, it is impossible to that regards as the present invention is embodied as situation
It is limited only to these describe.Any those of ordinary skill in the art, in the technical scope that invention discloses, can readily occur in
Change or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with claim
The protection domain of book is as the criterion.
Claims (2)
1. an aluminum vehicle wheel assembly method for designing based on impact strength simulation analysis, it is characterised in that: described aluminum vehicle wheel assembly
Including tire and aluminum vehicle wheel, aluminum vehicle wheel assembly method for designing is as follows:
The first step: measure the mechanics material parameter of Tire rubber material hyperelastic model；Measure belt mechanics material parameter,
Measure spacing and area, the spacing of a branch of steel wire of measurement belt and the area of a branch of nylon wire of belt；Measure carcass polyester
Mechanics material parameter, measure the area of carcass a branch of polyester line and spacing；The mechanics material parameter of measuring steel wire circle and steel wire
Area and steel wire between spacing；Measure mechanics material parameter and the stress-strain diagram of aluminum vehicle wheel material；
Second step: according to tire section, measure tire with under aluminum vehicle wheel confined state, rubber body, belt, carcass, steel
The geometric data of wire ring, sets up tire three-dimensional model；Geometric data according to aluminum vehicle wheel generates aluminum vehicle wheel threedimensional model；
3rd step: utilize tire and aluminum vehicle wheel threedimensional model that second step obtains, set up rubber three-dimensional grid, set up belt,
Carcass and the two-dimensional grid of wire loop, set up aluminum vehicle wheel three-dimensional grid；
4th step: utilize the first step and the 3rd step, sets up the material properties of belt, carcass and wire loop, and the material of rubber belongs to
Property, both combine and set up cord-rubber combined Structural Engineeringization and characterize tire practical structures, set up cavity structure and characterize wheel nausea
Pressure.And tire, cavity, aluminum vehicle wheel are linked；
5th step: utilize the model that the 4th step obtains, output INP to realize cord-rubber combined structural model and be of coupled connections, test
Tire pressure, hot melt, air constant, the parameter such as atmospheric pressure, coefficient of contact friction is arranged；
6th step: utilize the model that the 5th step obtains, applies boundary condition and the load definition of impact test, carries out explicit solution
Calculate；
7th step: interpretation of result and design optimization.
A kind of aluminum vehicle wheel assembly method for designing based on impact strength simulation analysis the most according to claim 1, its feature
It is:
Described tire three-dimensional model is to utilize HyperMesh software to generate under ABAQUS template；
Described aluminum vehicle wheel threedimensional model generates wheel threedimensional model under HyperMesh program-ABAQUS template；
The material properties of described bundle layer, carcass and wire loop is set up by REBAR model；
The material properties of described rubber is set up by Mooney-Rivlin model；
Described tire pressure is set up cavity structure by FLUID CAVITY model and is characterized；
Described explicit solution is calculated and is completed by ABAQUS software.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610426991.9A CN106055828A (en) | 2016-06-15 | 2016-06-15 | Aluminium wheel assembly design method based on impact strength simulation analysis |
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| CN201610426991.9A CN106055828A (en) | 2016-06-15 | 2016-06-15 | Aluminium wheel assembly design method based on impact strength simulation analysis |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103119A (en) * | 2017-03-31 | 2017-08-29 | 江苏大学 | A kind of tire finite element analysis automation modeling method |
| CN107545119A (en) * | 2017-09-14 | 2018-01-05 | 首钢集团有限公司 | A kind of determination method and device of vehicle bridge material |
| CN108287948A (en) * | 2017-12-29 | 2018-07-17 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of cavity multi- scenarios method equation and boundary condition method for building up |
| CN109033726A (en) * | 2018-09-19 | 2018-12-18 | 江铃汽车股份有限公司 | The durable analysis method of intensity and rack of chassis suspension based on FInite Element |
| CN110765690A (en) * | 2019-11-05 | 2020-02-07 | 上海波客实业有限公司 | Rubber structure sealing analysis method |
| CN112697378A (en) * | 2020-12-29 | 2021-04-23 | 东风汽车集团有限公司 | Virtual rack model for impact test of aluminum alloy rim |
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| JP2010256319A (en) * | 2009-03-31 | 2010-11-11 | Hitachi Metals Ltd | Method of simulating impact properties of wheel with tire |
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| JP2010256319A (en) * | 2009-03-31 | 2010-11-11 | Hitachi Metals Ltd | Method of simulating impact properties of wheel with tire |
| CN104090995A (en) * | 2014-06-13 | 2014-10-08 | 广州市华南橡胶轮胎有限公司 | Automatic generating method of rebar unit grids in ABAQUS tire model |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107103119A (en) * | 2017-03-31 | 2017-08-29 | 江苏大学 | A kind of tire finite element analysis automation modeling method |
| CN107103119B (en) * | 2017-03-31 | 2019-12-03 | 江苏大学 | A kind of tire finite element analysis automation modeling method |
| CN107545119A (en) * | 2017-09-14 | 2018-01-05 | 首钢集团有限公司 | A kind of determination method and device of vehicle bridge material |
| CN108287948A (en) * | 2017-12-29 | 2018-07-17 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of cavity multi- scenarios method equation and boundary condition method for building up |
| CN108287948B (en) * | 2017-12-29 | 2021-09-24 | 中国空气动力研究与发展中心高速空气动力研究所 | Boundary condition establishing method based on cavity multi-field coupling equation |
| CN109033726A (en) * | 2018-09-19 | 2018-12-18 | 江铃汽车股份有限公司 | The durable analysis method of intensity and rack of chassis suspension based on FInite Element |
| CN109033726B (en) * | 2018-09-19 | 2022-11-29 | 江铃汽车股份有限公司 | Finite element method-based chassis suspension system strength and rack durability analysis method |
| CN110765690A (en) * | 2019-11-05 | 2020-02-07 | 上海波客实业有限公司 | Rubber structure sealing analysis method |
| CN110765690B (en) * | 2019-11-05 | 2024-02-02 | 上海波客实业有限公司 | Rubber structure seal analysis method |
| CN112697378A (en) * | 2020-12-29 | 2021-04-23 | 东风汽车集团有限公司 | Virtual rack model for impact test of aluminum alloy rim |
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