scholarly journals Numerical wear study of metal‐on‐ultrahigh molecular weight polyethylene‐based cervical total disc arthroplasty by coupling finite element analysis and multi‐body dynamics

Author(s):  
Hua Xin ◽  
Lei Zhang ◽  
Hao Diao ◽  
Junhong Jia ◽  
Zhongmin Jin
2012 ◽  
Vol 630 ◽  
pp. 291-296
Author(s):  
Yu Wang ◽  
En Chen ◽  
Jun Qing Gao ◽  
Yun Feng Gong

In the past finite element analysis (FEA) and multi-body system simulation (MBS) were two isolated methods in the field of mechanical system simulation. Both of them had their specific fields of application. In recent years, it is urgent to combine these two methods as the flexible multi-body system grows up. This paper mainly focuses on modeling of the spindle system of hammer crusher, including geometric model, finite element model and multi-body dynamics (MBD) model. For multi-body dynamics modeling, the contact force between hammer and scrap steel was discussed, which is important to obtain the impact force. This paper also proposed how to combine FEA and MBS to analyze the dynamic performance of the spindle system by using different software products of MSC.Software.


2020 ◽  
Vol 12 (10) ◽  
pp. 168781402096833
Author(s):  
Abdelrahman I A Eisa ◽  
Li Shusen ◽  
Wasim M K Helal

Due to rapid development in the industry, operating speeds and eccentricity produced undesirable vibrations which may lead to damage in bearings, seals, and lubrication systems. In the proposed paper, a novel analytical method was presented using an integrated multi-body dynamics and finite element analysis to simulate the lateral and torsional vibration. This method was applied to a proposed model of single rotor-system. In order to study the lateral and torsional vibration of the system profoundly, three markers were placed on the locations of the left and right bearings and the mass center of the shaft. The effects of bearing force caused by lateral and torsional vibrations were also analyzed. The results showed that the lateral vibration has a great effect on the dynamic of single rotor-system when lowering motor speed. It was found that, as motor speed increased, the motion of the system becomes more stable with steady fluctuates of the displacement response. The calculated natural frequency of SRS is compared with theoretical results to verify the transient solver. This novel method is practical in analyzing the lateral and torsional vibration of the SRS under various speeds and eccentricities.


2017 ◽  
Vol 50 (3) ◽  
pp. 341-344 ◽  
Author(s):  
Ilkka Väisänen ◽  
Antti Mäntylä ◽  
Antti Korpela ◽  
Teemu Kuivaniemi ◽  
Tero Frondelius

This article describes the overview of crankshaft analysis of a medium speed dieselengine. Crankshaft analysis includes static analysis, crankshaft dynamics, bearing analysis, gearanalysis, and stress & fatigue analysis, the latter being in main focus in this article. AVL ExcitePower unit is used for multi-body dynamics and Abaqus for finite element analysis.


2012 ◽  
Vol 253-255 ◽  
pp. 2107-2112
Author(s):  
Jian Min Li ◽  
Chuan Yang Sun ◽  
Zhang Cheng Yang ◽  
Zu Xi Yi

For the problem that car sub-frame constraint connection complex and effective load more difficult to determine, using finite element and multi-body dynamics ADAMS co-simulation method, Analyzed on a Volkswagen vehicle sub-frame, obtained the accurate load on the sub-frame which are used by engine suspension. The finite element analysis results show that engine load is the greatest impact on the sub-frame stress field, which can be reduced by increasing the area of engine and the sub-frame contacting, thereby prolong the life of sub-frame.


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