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A new analysis method for solder joint fatigue life prediction is introduced. The method utilizes a combination of finite element method (FEM) and peridynamic (PD) theory. The thermal cycle simulation is performed using FEM to obtain deformation field, which is imposed as boundary conditions to the PD model. Fatigue crack initiation and its progression is captured in PD simulations. The approach is...
As an indispensible part of electronic equipment, the reliability of the whole system is affected by the degradation performance of power MOSFET tube. Based on geometry, material properties and boundary conditions, the repeated testing can be reduced, and the period of failure analysis can be shortened. This article is based on the finite element model of power MOSFET TO-263, electric thermal — mechanical...
As an indispensible part of electronic equipment, the reliability of the whole system is affected by the degradation performance of power MOSFET tube. Based on geometry, material properties and boundary conditions, the repeated testing can be reduced, and the period of failure analysis can be shortened. This article is based on the finite element model of power MOSFET TO-263, electric thermal — mechanical...
Transmission system is the key subsystem of Complicated equipment to realize its maneuverability. Statistic data show that 36 percent of chassis faults is caused by transmission system. To overcome the difficulties of battle decision in confirming appropriate maintenance periods and allocating maintenance resource, a new kind service life and evaluation method based on virtual prototype and Finite...
Crankshaft is one of the most important parts in internal combustion engine. In this paper, a three-dimension model of 380 diesel engine crankshaft was created through Pro/ENGINEER software. The finite element analysis (FEM) software ANSYS was used to analyze the distortion and stress status of the crankshaft. First of all, the 380 diesel engine entity crankshaft model was created by Pro/ENGINEER...
A three-dimensional model is firstly established for medium-size wind power generator bearings using such the FEA software as NX NASTRAN™, afterwards, the fatiguing analysis is specifically conducted based on united loads and boundary conditions, then, the fatiguing simulation numeral is acquired for the wind power generator bearings in the loading process, eventually, the simulation results are verified...
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