Development of Fatigue Durability Analysis Techniques for Engine Piston using CAE

2009 ◽  
Vol 2 (1) ◽  
pp. 403-408 ◽  
Author(s):  
Sang-Woo Cha ◽  
Eung-Ji Ha ◽  
Kyung-Woo Lee ◽  
Hoon Chang
2016 ◽  
Vol 2016.29 (0) ◽  
pp. 081
Author(s):  
Jun MORIMOTO ◽  
Harumi KINOSHITA ◽  
Wataru NITTA ◽  
Shinya TANIKAWA ◽  
Koji HISANO ◽  
...  

2006 ◽  
Vol 321-323 ◽  
pp. 624-627 ◽  
Author(s):  
Seung Ho Han ◽  
Je Sung Bang ◽  
Chae Whan Rim ◽  
Kwang Soon Lee ◽  
Kwang Ki Lee ◽  
...  

The automation of fatigue durability analysis for welded bogie frames according to the UIC-code is proposed by using the ModelCenter, which enables several tools used in fatigue durability analysis to be integrated, i.e. I-DEAS, ANSYS and BFAP, and an iterative analysis of geometrical changes in transom support bracket to be performed. In additions wrapping programs to control I/O-data and interfaces of these tools were developed. The developed automation technique brings not only a significant decrease in man-hour required for durability analysis, but also provides a platform for multidisciplinary engineering activities.


2021 ◽  
Vol 1820 (1) ◽  
pp. 012073
Author(s):  
Nai-Rui Shen ◽  
Fei Liu ◽  
Jing-Jing Qu ◽  
Hai Lan ◽  
Hong-Yi Liao ◽  
...  

2006 ◽  
Vol 129 (2) ◽  
pp. 179-189 ◽  
Author(s):  
T. Zhang ◽  
S. Rahman ◽  
K. K. Choi ◽  
K. Cho ◽  
P. Baker ◽  
...  

This paper presents a global–local methodology for predicting mechanical deformation and fatigue durability of solder joints in electronic packaging systems subject to cyclic thermal loading. It involves a global deformation analysis, a local critical solder–joint analysis, and a fatigue life analysis. The global deformation analysis includes a new optimization formulation for determining an equivalent model. The methodology developed was applied to fine pitch ball grid array (fpBGA) and super ball grid array (SBGA) packages. Selective experimental efforts were also undertaken to evaluate the predicted deformation characteristics of the fpBGA package. A good agreement was obtained between the simulated deformation results and experimental observations. For the durability analysis, the total fatigue life predicted using the energy-based method is larger than 2500 cycles—a trend observed experimentally for both packages entailing widely different designs. Based on proposed modeling and simulation results and package designs studied, the SBGA package is more durable than the fpBGA package.


2014 ◽  
Vol 2014 ◽  
pp. 1-9
Author(s):  
Ali Akbar Lotfi Neyestanak ◽  
Saeed Adib Nazari ◽  
Ali Imam ◽  
Cyrus Aghanajafi

Due to the importance of collecting rapping system in electrostatic precipitators (ESP) and controlling the relevant damage under impact loading, fatigue durability of this system is analyzed in the present study based on the numerical and experimental results considering fatigue damage growth and vibration acceleration in the collecting system because of the successive impact of rapping hammers. By microscopic examination of the fracture surface of rapping hammer, beach marks obviously show typical fatigue failure in the rapping hammer arm. In addition, the microscopic examination of the cross section of the collecting plates indicates the corrosion voids which cause crack and eventually fatigue failure. The finite element method is applied to determine both the stress and concentration positions of dynamic stress on the rapping system under impact loading. The paper results can be utilized in system optimization and new material selection for the system by evaluating rapping system durability.


Sign in / Sign up

Export Citation Format

Share Document