Strength Analysis for Lifting Mechanism of Dump Truck Based on Virtual Prototype and Finite Element Technology

2013 ◽  
Vol 651 ◽  
pp. 543-547
Author(s):  
Long Long Zhu ◽  
Da Wei Liu ◽  
Xu Kun Ge ◽  
Wei Fan
Keyword(s):  
Finite Element ◽  
Element Model ◽  
Coupling Model ◽  
Dynamical Analysis ◽  
Dump Truck ◽  
Strength Analysis ◽  
Tyre Model ◽  
Front Suspension ◽  
Finite Element Technology ◽  
Multi Body

In order to study the strength analysis of dump truck with a T-type lifting mechanism, a detailed multi-body dynamic model of a dump truck was established by using SIMPACK software. With this rigid-flexible coupling model, which includes front suspension, balanced rear suspension, carriage, lifting mechanism, tyre model and so on. Dynamical analysis was carried on the dump truck, the variation of application force of lifting mechanism with lifting angle was obtained. Finite element model of a dump truck was established by using Hypermesh software. Strength Analysis was studied on the dump truck. This study will provide scientific reference for the structural design and improvements of lifting mechanism.

Dynamic Characteristics Simulation for Lifting Mechanism of Dump Truck Based on Virtual Prototype

2012 ◽  
Vol 195-196 ◽  
pp. 754-757 ◽  
Author(s):  
Rong Chao Jiang ◽  
Da Wei Liu ◽  
Zhong Chang Wang ◽  
Wei Fan
Keyword(s):  
Dynamic Characteristics ◽  
Structural Design ◽  
Angular Acceleration ◽  
Dump Truck ◽  
Strength Analysis ◽  
Kinematics And Dynamics ◽  
Tyre Model ◽  
Front Suspension ◽  
Multi Body ◽  
Body Dynamic

In order to study the dynamic characteristics of dump truck with a T-type lifting mechanism, a detailed multi-body dynamic model of a dump truck was established by using SIMPACK software. With this model, which includes front suspension, balanced rear suspension, carriage, lifting mechanism, tyre model and so on, the kinematics and dynamics of the dump truck were studied by simulation. The variation of angular velocity, angular acceleration and applied force of carriage, tension rod and cylinder with lifting angle were obtained. This study will provide scientific reference for the structural design and strength analysis of lifting mechanism.

Dynamic Characteristic Analysis of Irregularity under Turnout by Vehicle-Turnout Rigid-Flexible Coupling Model

2014 ◽  
Vol 945-949 ◽  
pp. 591-595 ◽  
Author(s):  
Meng Chen ◽  
Yan Yun Luo ◽  
Bin Zhang
Keyword(s):  
Finite Element ◽  
Longitudinal Direction ◽  
Element Model ◽  
Vertical Displacement ◽  
Coupling Model ◽  
Interaction Force ◽  
Vertical Acceleration ◽  
Characteristic Analysis ◽  
Flexible Coupling ◽  
Multi Body

Finite element model of track in frog zone is built by vehicle-turnout system dynamics. Considering variation of rail section and elastic support, bending deformation of turnout sleeper, spacer block and sharing pad effects, the track integral rigidity distribution in longitudinal direction is calculated in the model. Vehicle-turnout rigid-flexible coupling model is built by finite element method (FEM), multi-body system (MBS) dynamics and Hertz contact theory. With the regularity solution that different stiffness is applied for rubber pad under sharing pad of different turnout sleeper zone, analysis the variation of vertical acceleration of bogie and wheelset, rail vertical displacement and wheel-rail interaction force, this paper proves that setting reasonable rubber pad stiffness is an efficient method to solve rigidity irregularity problem.

Modal and Strength Analysis of Crankshaft in Piston Compressor

2014 ◽  
Vol 945-949 ◽  
pp. 676-679
Author(s):  
Zhi Juan Sun ◽  
Jing Tao Dai
Keyword(s):  
Finite Element ◽  
Fatigue Strength ◽  
Theoretical Basis ◽  
Piston Compressor ◽  
Element Model ◽  
Strength Analysis ◽  
Dynamics Model ◽  
Body Dynamics ◽  
Comprehensive Performance ◽  
Multi Body

For research on comprehensive performance of crankshaft in piston compressor, multi-body dynamics model was built to get mechanical boundary conditions of the crankshaft, and the fatigue strength was verified; Finite element model (FEM) of the crankshaft was established, and the 1st 6 modal of the crankshaft was obtained. The results showed that fatigue strength and dynamic characteristic of the crankshaft was qualified. Theoretical basis could be provided for optimize the crankshaft’s structure by fatigue strength and modal analysis.

Strength Analysis of the Seat Anchorages for Large Passenger Vehicles Using Finite Element Method

2013 ◽  
Vol 658 ◽  
pp. 340-344
Author(s):  
Somsak Siwadamrongpong ◽  
Supakit Rooppakhun ◽  
Natchaya Murachai ◽  
Pakorn Burakorn
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Element Model ◽  
Strength Analysis ◽  
Passenger Vehicle ◽  
Simulation Techniques ◽  
Vehicle Accident ◽  
Design For Safety ◽  
Vehicle Seat ◽  
Element Method

Since the vehicle accident is one of the major causes of dead and injury in Thailand, especially the large passenger vehicle. The seat anchorage was often damaged and lead to high number and critical of patient. To improve the safety of large passenger vehicle, seat anchorage should be investigated. The aim of this research was to analyze strength of seat anchorages for the bus according to European standard ECE Regulation 80 using finite element method and DOE(Design of Experimental) approach. In this study, the boundary conditions on finite element model of seat structure were defined according to the regulation. It is expected that the simulation techniques could be advantaged for seat anchorage analysis. This result will be used for further improvement of the bus seat anchorage design for safety and cost reduction in design processes.

The Design and Size Optimization of the New FCEV Subframe Based on Hypermesh Platform

2011 ◽  
Vol 328-330 ◽  
pp. 435-440
Author(s):  
Jun Liao ◽  
Lan Shan ◽  
Yan Feng
Keyword(s):  
Finite Element ◽  
Comparative Analysis ◽  
Finite Element Model ◽  
Mode Shape ◽  
High Strength Steel ◽  
High Strength ◽  
Element Model ◽  
Strength Analysis ◽  
Size Optimization ◽  
Optimal Size

The establishment of FCEV finite element model of the subframe is based on Hypermesh platform, and a new subframe structure is designed in accordance with the stiffness and strength analysis on the original subframe in all conditions. High-strength steel materials are used to optimize the design of this new structure, which result in the optimal size. Through the comparative analysis of the strength, stiffness, mode shape and quality on new subframe and the original one, it is verified that the design of the new subframe is reasonable and feasible.

Finite Element Analysis of the Thermal Field of Piston in an External Combustion Cam Engine

2011 ◽  
Vol 66-68 ◽  
pp. 1240-1244
Author(s):  
Sheng Yao Gao ◽  
De Shi Wang ◽  
Qi Zheng Zhou
Keyword(s):  
Finite Element ◽  
Temperature Field ◽  
Optimization Design ◽  
Structural Parameters ◽  
Element Model ◽  
Von Mises Stress ◽  
Strength Analysis ◽  
Element Analysis ◽  
Technical Improvement ◽  
External Combustion

As the most dominative component under stress in an external combustion cam engine, the working condition of piston is very rigor. Once new design type and technical improvement is applied, it is necessary to analysis its thermal load and take secure steps. And the finite element model on each conditions of thermal is calculated, which is used to estimate the temperature field and provide a theoretical basis for further structural strength analysis and optimization design. Choosing analysis results of the piston as reference and taking five structural parameters of the piston as design variables, two objective functions including piston mass and maximal Von Mises stress are respectively considered. The optimum design of the piston is executed and the results indicate that it is feasible to improve temperature field and strength of the piston. These results enrich and develop the research on structural analysis and optimization of spatial engine, which are of guiding significance for analyzing engine strength and related problem in theoretically.

Strength Analysis for Composite Windshield of Commercial Aircraft

2014 ◽  
Vol 1030-1032 ◽  
pp. 1010-1013
Author(s):  
Ya Xiong Du ◽  
Shu Li ◽  
Kai Guo
Keyword(s):  
Finite Element ◽  
Aluminum Alloy ◽  
Rational Design ◽  
Element Model ◽  
Strength Analysis ◽  
Commercial Aircraft ◽  
Load Pressure ◽  
Full Size ◽  
Advanced Composites ◽  
The Finite Element Model

With the development of advanced composites technology, composites instead of traditional aluminum alloy, will be widely used to build full-size aircraft windshield structure in the aviation field. The finite element model of commercial aircraft composite windshield is established in the environment of Msc.Patran / Nastran. And based on Tasi-Wu failure criterion, the strength of windshield structure under typical load pressure is predicted and analyzed during failure processes. It shows that composite windshield can work better through rational design according to the analysis result.

Finite Element Modeling for the Locomotive Traction Gears

2014 ◽  
Vol 889-890 ◽  
pp. 3-8 ◽  
Author(s):  
Xiao Chun Shi ◽  
Wei Dong He ◽  
Jun Hua Bao
Keyword(s):  
Finite Element ◽  
Parametric Design ◽  
Gear Tooth ◽  
Element Model ◽  
Strength Analysis ◽  
Complex Geometries ◽  
Solid Foundation ◽  
Transition Curves ◽  
The Finite Element Model ◽  
Ansys Parametric Design Language

In order to improve the bearing capacity and service life of the locomotive traction gears, modern design methods are used to optimize the gear tooth curves and their parameters. The simulation of the involute tooth curves and tooth root transition curves of the traction gears are build by Ansys Parametric Design Language (APDL). It can accurately describe the finite element model with complex geometries. It laid a solid foundation for the tooth strength analysis and modification.

Design and Strength Analysis of the Wheelchair Switching Mechanism

2014 ◽  
Vol 494-495 ◽  
pp. 337-340 ◽  
Author(s):  
Yu Wen Li ◽  
Jian Kang Wei ◽  
Jin Zhang
Keyword(s):  
Finite Element ◽  
Finite Element Model ◽  
Theoretical Basis ◽  
Element Model ◽  
Strength Analysis ◽  
Electric Wheelchair ◽  
Switching Mechanism ◽  
Design Proposal ◽  
The Finite Element Model ◽  
Climbing Stairs

Based on studying the existing electric wheelchairs for disabled are not well adapted to a variety of road conditions, broken through the structure of traditional wheelchairs, a design proposal that can make electric wheelchair achieve the function of climbing stairs and walking was putted forward and a novel mechanism was designed. The mechanism can make the crawler chassis and the wheels of wheelchair switch when needed, and make the wheelchair travel freely and flexible on the ground or on the stairs. The finite element model of the mechanism was built, and the strength analysis was carried out. The strength analysis provide the theoretical basis for the prototype manufacture.

Finite Element Analysis of Frame of Dump Truck

2015 ◽  
Vol 733 ◽  
pp. 591-594
Author(s):  
Yong Zhen Zhu ◽  
Kuo Yang ◽  
Qi Yang ◽  
Yun De Zhao
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
3D Model ◽  
Element Model ◽  
Dump Truck ◽  
Stress Distributions ◽  
Improved Method ◽  
Element Analysis ◽  
Finite Element Software ◽  
The Finite Element Model

The CAD software was used to establish 3D model of frame of dump truck, and the finite element model was established through Hyper Mesh. The stress distributions of the frame in vertical accelerating, turning, twisting and climbing conditions were computed through finite element software when the dump truck was loaded 80t. The result is consistent with the actual situation of the frame, which proved that the approach of finite element analysis is feasible. And we proposed the improved method of the frame according to finite element results.

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