Simulation of Heat Stress and Fatigue on Engine Case

Chang Hui Hou; Hong Li Fan; Qian Sang; Ji Ping Lu

doi:10.4028/www.scientific.net/AMM.397-400.413

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 397-400Simulation of Heat Stress and Fatigue on Engine...

Simulation of Heat Stress and Fatigue on Engine Case

Abstract:

In this paper, a model of an engine case is designed in Pro/Engineer for fatigue simulation. The meshing is created by the way of Abaqus. According to the working conditions, the boundary restriction of the simulation is defined. By the simulation, the heat distribution of the engine case is given, the causes of relatively high temperature areas are discussed, and the heat-stress distribution is drawn too. The high stress area in the engine case is discovered. The simulation result shows that the steady working stress is about 60MPa, the transient stress is between 90MPa to 120MPa, and the maximal stress is 136MPa. Based on the heat stress the fatigue life of the engine case is analyzed. The research result is a reference of the engine case safe working.

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Periodical:

Applied Mechanics and Materials (Volumes 397-400)

Pages:

413-417

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.397-400.413

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Online since:

September 2013

Authors:

Chang Hui Hou, Hong Li Fan, Qian Sang, Ji Ping Lu

Keywords:

Engine Case, Fatigue Analysis, Heat Stress

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