Finite Element Analysis and Optimal Design of Commercial Vehicle Drive Axle Housing

2013 ◽  
Vol 816-817 ◽  
pp. 782-785 ◽  
Author(s):  
Bing Bing Zhou ◽  
Hui Lin Li ◽  
Qian Liu
Keyword(s):  
Finite Element ◽  
Fatigue Life ◽  
Commercial Vehicle ◽  
Element Model ◽  
Optimization Method ◽  
Bench Test ◽  
Dynamics Analysis ◽  
Element Analysis ◽  
Drive Axle ◽  
Drive Axle Housing

In order to solve the heavy mass problem of the commercial vehicle drive axle housing, the structure of axle housing is optimized with finite element method. At first, the parametric finite element model of axle housing is built by using ANSYS software, and the dynamic response characteristics of axle housing are obtained with transient dynamics analysis. The dynamic analysis results show that strength and stiffness of axle housing can satisfy design criteria very well. Then the fatigue life of axle housing are predicted based on the dynamics analysis, and results show that the fatigue dangerous regions occur on the spring seats. Finally, the structure optimization of axle housing is done aimed at lightweight with goal drive optimization method, and the fatigue life of optimized axle housing are verified with FEA and bench test. The results of verification by both FEA and test show that the optimized axle housing has apparent lightweight effects with its fatigue life meeting design requirements.

Fatigue Life Prediction of Driving Axle Housing Assemble Based on FEA

2011 ◽  
Vol 179-180 ◽  
pp. 1217-1222
Author(s):  
Xian Zhong Yu ◽  
Gang Jie ◽  
Ping Hui Huang ◽  
Si Cheng Tang
Keyword(s):  
Finite Element ◽  
Fatigue Life ◽  
Strain Analysis ◽  
Element Model ◽  
National Standard ◽  
Bench Test ◽  
Strength Analysis ◽  
Drive Axle ◽  
Drive Axle Housing ◽  
The Finite Element Model

Based on the uncertain problem during the design of the fatigue life of drive axle housing assemble, entity model of drive axle housing assemble of some commercial vehicle is built by UG. According to national standard of the Bench Test, with finite element method, the finite element model is built and the static strength analysis is made by the FEM-software ABAQUS 6.8. On the base of the result of stress-strain analysis and the model validation, with the fatigue software FEMFAT 4.7D, the research on the cumulative damage and endurance limit safety factors is studied in terms of the Miner modified fatigue theory in the drive axle housing assemble. The results show that the model and method is reasonable and effective. It is helpful to optimize the structure parameter in the drive axle design through the optimization algorithm in the automobile.

scholarly journals Finite-Element Analysis on Lightweight Material of Drive Axle Housing

2021 ◽  
Vol 31 (1) ◽  
pp. 41-49
Author(s):  
Feifei Zhao
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Working Conditions ◽  
Hot Stamping ◽  
Element Model ◽  
Structural Features ◽  
Vertical Force ◽  
Element Analysis ◽  
Drive Axle ◽  
Drive Axle Housing

In actual engineering, the drive axle of vehicles is often enlarged to prevent it from being damaged. However, the enlargement will increase the weight of the vehicle, pushing up fuel consumption and exhaust emissions. This common practice is obviously detrimental to the environment and sustainable development. To meet the stiffness and strength requirements on the drive axle housing of Steyr heavy trucks, this paper carries out finite-element analysis on the stiffness and strength of the axile housing under different working conditions, in the light of its actual stress features. According to the production process of drive axle housing in truck, the authors reviewed the development of the materials for high-strength axle housing, which could be properly formed through hot stamping, cold stamping, and mechanical expansion, and briefly introduced the structural features of drive axle housing. Then, a drive axle model was established in the three-dimensional (3D) drawing software Pro/ENGINEER, and converted into a finite-element model in Pro/Mechanica by calling the meshing command. On this basis, the static load of axle housing was analyzed under four working conditions: maximum vertical force, maximum traction, maximum braking force, and maximum lateral force. Finite-element analysis was performed on the meshed model to obtain the displacement and stress cloud maps of the axle housing under each working condition. The results show that the drive axle housing satisfy the requirements on strength, stiffness, and deformation. To sum up, this research improves the design efficiency and quality of products through finite-element analysis on the stiffness and strength of drive axle housing.

Finite Element Analysis of Drive Axle Housing Based on the Solid Element and the Shell Element

2011 ◽  
Vol 383-390 ◽  
pp. 5681-5685 ◽  
Author(s):  
Jing Shun Fu ◽  
Jun Feng Wang ◽  
Jin Wang
Keyword(s):  
Finite Element ◽  
Shell Element ◽  
Element Model ◽  
Bend Strength ◽  
Element Analysis ◽  
Stress Situation ◽  
Solid Element ◽  
Drive Axle ◽  
Strength And Stiffness ◽  
Drive Axle Housing

The finite element model of drive axle housing was built by using the solid element and the shell element respectively. Vertical bend strength and stiffness under 2.5 times of fully load of the drive axle housing were calculated by finite element method. By comparing the results of the vertical bend strength and stiffness of both models, we could know that both of the two models can be used to analyze the whole stress situation of drive axle housing. Because there were fewer elements of drive axle housing model based on shell element, the amount of final calculation was less. It is more feasible to analyze the whole stress situation of drive axle housing by establishing drive axle housing based on shell element.

Stress and Fatigue Life Modeling of Cannon Breech Closures Including Effects of Material Strength and Residual Stress

2000 ◽  
Vol 123 (1) ◽  
pp. 150-154
Author(s):  
John H. Underwood ◽  
Michael J. Glennon
Keyword(s):  
Residual Stress ◽  
Finite Element ◽  
Fatigue Life ◽  
Yield Strength ◽  
Residual Stresses ◽  
Solid Mechanics ◽  
Element Model ◽  
Pressure Vessels ◽  
Material Strength ◽  
Element Analysis

Laboratory fatigue life results are summarized from several test series of high-strength steel cannon breech closure assemblies pressurized by rapid application of hydraulic oil. The tests were performed to determine safe fatigue lives of high-pressure components at the breech end of the cannon and breech assembly. Careful reanalysis of the fatigue life tests provides data for stress and fatigue life models for breech components, over the following ranges of key parameters: 380–745 MPa cyclic internal pressure; 100–160 mm bore diameter cannon pressure vessels; 1040–1170 MPa yield strength A723 steel; no residual stress, shot peen residual stress, overload residual stress. Modeling of applied and residual stresses at the location of the fatigue failure site is performed by elastic-plastic finite element analysis using ABAQUS and by solid mechanics analysis. Shot peen and overload residual stresses are modeled by superposing typical or calculated residual stress distributions on the applied stresses. Overload residual stresses are obtained directly from the finite element model of the breech, with the breech overload applied to the model in the same way as with actual components. Modeling of the fatigue life of the components is based on the fatigue intensity factor concept of Underwood and Parker, a fracture mechanics description of life that accounts for residual stresses, material yield strength and initial defect size. The fatigue life model describes six test conditions in a stress versus life plot with an R2 correlation of 0.94, and shows significantly lower correlation when known variations in yield strength, stress concentration factor, or residual stress are not included in the model input, thus demonstrating the model sensitivity to these variables.

Finite Element Analysis of Automobile Drive Axle Housing Based on ANSYS

2015 ◽  
Vol 741 ◽  
pp. 223-226
Author(s):  
Hai Bin Li
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Dynamic Performance ◽  
Element Analysis ◽  
Shell Elements ◽  
Fea Model ◽  
Automobile Design ◽  
Housing Structure ◽  
Drive Axle ◽  
Drive Axle Housing

The performance of automobile drive axle housing structure affects whether the automobile design is successful or not. In this paper, the author built the FEA model of a automobile drive axle housing with shell elements by ANSYS. In order to building the optimization model of the automobile drive axle housing, the author studied the static and dynamic performance of it’s structure based on the model.

scholarly journals A topology optimization method of robot lightweight design based on the finite element model of assembly and its applications

2020 ◽  
Vol 103 (3) ◽  
pp. 003685042093648
Author(s):  
Liansen Sha ◽  
Andi Lin ◽  
Xinqiao Zhao ◽  
Shaolong Kuang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Topology Optimization ◽  
Lightweight Design ◽  
Element Model ◽  
Optimization Method ◽  
Maximum Displacement ◽  
Element Analysis ◽  
Upper Limb Exoskeleton ◽  
Topology Optimization Method

Topology optimization is a widely used lightweight design method for structural design of the collaborative robot. In this article, a topology optimization method for the robot lightweight design is proposed based on finite element analysis of the assembly so as to get the minimized weight and to avoid the stress analysis distortion phenomenon that compared the conventional topology optimization method by adding equivalent confining forces at the analyzed part’s boundary. For this method, the stress and deformation of the robot’s parts are calculated based on the finite element analysis of the assembly model. Then, the structure of the parts is redesigned with the goal of minimized mass and the constraint of maximum displacement of the robot’s end by topology optimization. The proposed method has the advantages of a better lightweight effect compared with the conventional one, which is demonstrated by a simple two-linkage robot lightweight design. Finally, the method is applied on a 5 degree of freedom upper-limb exoskeleton robot for lightweight design. Results show that there is a 10.4% reduction of the mass compared with the conventional method.

Analysis and Optimization Design on Drive Axle Housing of Light Commercial Vehicle

2013 ◽  
Vol 753-755 ◽  
pp. 1314-1317 ◽  
Author(s):  
Yu Cun Zhou ◽  
Miao Zhong Sun ◽  
Li Juan He
Keyword(s):  
Finite Element Analysis ◽  
Optimization Design ◽  
Commercial Vehicle ◽  
Weak Links ◽  
Stress And Strain ◽  
Element Analysis ◽  
Light Commercial Vehicle ◽  
The Finite Element Analysis ◽  
Drive Axle ◽  
Drive Axle Housing

Drive axle housing is one of the major load-supporting components of trucks. This paper takes a drive axle housing of a light commercial vehicle as the research object. The model of the drive axle housing is established by Pro/E software, on the basis of this model, the finite element analysis is carried by ANSYS to get the results of stress and strain under the defined constraints and loads, to find the weak links in the design. Aiming at achieving the goal of the least weight, the permission stress and displacement are defined and the thickness of the drive axle housing is considered as the design variable to optimize the design. The result of optimization design provides a theoretical guidance for truck driving axle housing designing.

Optimization Method of Hoisting Points Schemes Using Strain Energy Criterion

2011 ◽  
Vol 88-89 ◽  
pp. 583-586
Author(s):  
Shun Guo Li ◽  
Hui Li
Keyword(s):  
Finite Element ◽  
Strain Energy ◽  
Energy Criterion ◽  
Element Model ◽  
Optimization Method ◽  
Optimization Analysis ◽  
Element Analysis ◽  
Single Target ◽  
Steel Truss ◽  
Calculation Code

The optimization method of hoisting point’s schemes using strain energy criterion was studied in this paper. Firstly, the finite element model of complex steel truss hoisting was established and optimization analysis of hoisting point’s schemes for complex steel truss hoisting using strain energy criterion was accomplished. The calculation code which can make finite element analysis and optimization analysis of lifting point’s schemes based on strain energy criterion automatically. Then, lifting point’s schemes of complex steel truss hoisting were analyzed with calculation code mentioned above. The results indicate that, the optimization index using strain energy criterion is just strain energy criterion which is a more comprehensive and unidirectional index. Optimization analysis based on strain energy criterion changes optimization analysis of the lifting points schemes for complex steel truss hoisting from multi-target optimization into single-target optimization. The case study shows that this method is practicable and reliable and have good application prospect in hoisting points schemes optimization analysis with application to complex steel truss hoisting.

Finite Element Analysis of Static Characteristic of Rubber Spherical Joint for Commercial Vehicle Thrust Rod

2013 ◽  
Vol 710 ◽  
pp. 273-276
Author(s):  
Guo Yu Feng ◽  
Wen Ku Shi ◽  
Qian Wang ◽  
Jun Ke ◽  
Teng Teng
Keyword(s):  
Finite Element ◽  
Commercial Vehicle ◽  
Element Model ◽  
Static Characteristic ◽  
Constitutive Relationship ◽  
Plastic Layer ◽  
Spherical Joint ◽  
Element Analysis ◽  
Rubber Bushing ◽  
Vehicle Suspension System

The thrust rod for a heavy-duty commercial vehicle suspension system as the research object, the application of finite element method analysis of the static radial characteristics of rubber spherical joint. Introduces the basic theory of constitutive relationship of rubber materials, thrust rod established the finite element model, calculation and analysis of the influence degree of spherical joint structure parameters on the static characteristics of rubber spherical joint. The results show that, the circumferential diameter rubber increased properly and bush using plastic layer can improve the rubber bushing stiffness, and reduce the maximum stress.

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