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

2013 ◽  
Vol 658 ◽  
pp. 335-339
Author(s):  
Somsak Siwadamrongpong ◽  
Supakit Rooppakhun ◽  
Pakorn Burakorn ◽  
Natchaya Murachai

Presently, large passenger vehicles are known to have high risk of an injury due to accident and insufficient of safety regulation. The strength of seat is one of important issues that affect to injury level of passenger. Therefore, suitable structure strength and design of the seat are very important to prevent injuries and passenger life. This study was to evaluate strength of the seat structure for bus according to preliminary safety regulation of Department of Land Transport. Finite element analysis is employed by using a static load. The seat model was simplified and simulated. Stress and impact scenario between seat-back and back of manikin will be investigated. The strength and deflection of the seat will be evaluated. This study is expected to provide the seat model which will be safe and satisfied according to the regulation.

2014 ◽  
Vol 577 ◽  
pp. 158-161
Author(s):  
Lei Wang ◽  
Hou Xiang Tang ◽  
Hua Zhu ◽  
Shao Jing Zhang

The paper established the accurately 3D-modeling of the gear by I-DEAS, and had correlative theoretic analysis and finite element computing technology study on its dynamics meshing structure strength with the contact finite element method. Then, accomplish model studied gear-stress in the process of Gear Drive. The conclusion is used to design an upgrade similar straight gear.


2020 ◽  
Vol 313 ◽  
pp. 00034
Author(s):  
Pavol Lengvarský ◽  
Martin Mantič ◽  
Róbert Huňady

The special type of C-hook is investigated in this paper. The C-hook is designed to carry a special load, where is not possible to use classical hooks or chain slings. The designed hook is consisted of two arms that ensure the stability of the load being carried. The finite element analysis is performed for the control of the stress and deformation state in the whole hook. The fatigue analysis is performed for the check of a lifetime of C-hook.


2014 ◽  
Vol 635-637 ◽  
pp. 549-554
Author(s):  
Yu Feng Ding ◽  
Wei Fang ◽  
De Gang Wang ◽  
Bu Yun Sheng

Finite element method is widely used in steam turbine impeller blade subsystem strength analysis aspect, but because of the complicated working environment, the steam turbine has taken different handling of loads and boundary conditions when using finite element analysis method. In this paper, Static strength of the "215mm" of 135 MW steam turbine standard blade was calculated by using traditional calculation method and finite element method. By comparing two kinds of analysis results, the work load and boundary conditions were revised, which ensured the credibility of the result of the finite element analysis; According to the analysis results of stress, concentration phenomenon was obvious, then the blade root was optimized and the optimization result was excellent.


2010 ◽  
Vol 43 ◽  
pp. 675-677
Author(s):  
Sho Hei Adachi ◽  
Li Min Bao ◽  
Osamu Yamazaki

This study attempts to analyze the structure of the thin-walled part in the teat cup liner for FEM by the finite-element method (FEM) and to determine the most suitable structure for it. For the first step, we prepared a specimen liner made from NBR (Acrylonitrile-Butadiene Rubber) and silicon rubber (made by ORION MACHINERY CO., LTD.) and conducted tensile and compression tests for mechanical scraping properties of rubber Data. We then analyzed the thin-walled part using SolidWorks Simulation (SolidWorks Corporation) for finite-element analysis in liner process from expression of milk into nipple massage.


2012 ◽  
Vol 155-156 ◽  
pp. 1080-1085
Author(s):  
Qing Song Tian

This paper main aim to explain the finite element analysis and experimental test on loading machine structure strength analysis method of finite element analysis, test data as the input and boundary conditions of finite element calculation model of collaborative test accuracy. The finite element analysis and calculation conditions of test conditions can be used as a supplement and perfection.


Author(s):  
Hanqi Wang ◽  
Jiangming Ding

Abstract The submerged waterjet offers further benefits with respect to excellent stealth performance, low inflow energy loss, high propulsive efficiency at low and medium speeds, and excellent underwater acoustic performance. It also offers potential for space savings as a result of the high integration with the hull bottom. A parameterized stern line layout method for DTMB 5415 is proposed to design a new ship type fitted with submerged waterjet propeller. Based on the finite element method, the strength analysis and modal analysis of the new hull-form are carried out. The transom equipped with submerged waterjets is constructed by three main parameters which includes tunnel lengths, tunnel transverse positions and shaft angles. CFD calculation of hull flow field and resistance was carried out based on the designed new ship type to evaluate hydrodynamic load. Based on the finite element method, MSC.Patran/Nastran and Abaqus CAE was used to analysis the stress and deformation of the engine room under the static load, and the modal analysis of the engine room was carried out to calculate the vibration frequency and mode of the engine room. Numerical results show that the stress and deformation of the section are agree with the design and the section will not be broken. The different order total modal deformation and natural frequency are given, which lays a foundation for the research of vibration noise prediction and noise reduction technology of ship engine room.


2016 ◽  
Vol 252 ◽  
pp. 81-90 ◽  
Author(s):  
Arkadiusz Rzeczycki ◽  
Bogusz Wiśnicki

Currently, guidelines for safely loading shipping containers with heavy cargo in the gooseneck tunnel region do not exist. This work investigates the influence of the construction type of the gooseneck tunnel on the strength of the floor of the shipping container. The main objective is to develop guidelines for loading shipping containers with heavy cargo in the gooseneck tunnel region. This paper investigates strength of the floor using finite element method. The finite element analysis shows how the container's floor responds in the given loading scenarios.


1998 ◽  
Vol 26 (2) ◽  
pp. 109-119 ◽  
Author(s):  
M. Koishi ◽  
K. Kabe ◽  
M. Shiratori

Abstract The finite element method has been used widely in tire engineering. Most tire simulations using the finite element method are static analyses, because tires are very complex nonlinear structures. Recently, transient phenomena have been studied with explicit finite element analysis codes. In this paper, the authors demonstrate the feasibility of tire cornering simulation using an explicit finite element code, PAM-SHOCK. First, we propose the cornering simulation using the explicit finite element analysis code. To demonstrate the efficiency of the proposed simulation, computed cornering forces for a 175SR14 tire are compared with experimental results from an MTS Flat-Trac Tire Test System. The computed cornering forces agree well with experimental results. After that, parametric studies are conducted by using the proposed simulation.


2014 ◽  
Vol 908 ◽  
pp. 282-286
Author(s):  
Wan Rong Wu ◽  
Lin Chen

Drilling frame on TD165CH Down-The-Hole Drill that has large slenderness ratio and be longer than 10m is one component of Down-The-Hole drill which is mainly subjected to load.In the process of drilling, drilling frame is not only subjected to loads which are like tensile, compression and torsion and so on, and be under the influence of impacting and vibration of impactor,the situation of force is complicated.By analysing of working condition of Down-The-Hole drill,there get all kinds of limit states of typical working conditions, and then using Ansys doing finite element analysis, there get distribution of the stress and strain of drilling frame and the result of modal analysis to check whether drilling frame meets the requirements of strength and stiffness or not,and whether it is possible to resonate with the impactor or not.By analysis,Structure strength and stiffness of drilling Frame on TD165CH Down-The-Hole drill meet the requirements of practical engineering, and drilling Frame does not resonate with the impactor.


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