Finite element analysis and optimization of single cylinder engine crankshaft for improving fatigue life

Finite element analysis and optimization of single cylinder engine crankshaft for improving fatigue life
Author(s):
Harneet Singh Sarna, Nitin Jain
Keywords:
Crankshaft, Fatigue, Finite Element Analysis (FEA), Optimization
Abstract
Crankshaft is large volume production component with a complex geometry in the Internal Combustion (ICE) Engine. This converts the reciprocating displacement of the piston in to a rotary motion of the crank. An attempt is made in this paper to study improve fatigue life of single cylinder engine crankshaft with geometry optimization. The modeling of the original and optimized crankshaft is created using SOLIDWORK Software and was imported to ANSYS software for analysis. Geometry optimization resulted in 15% stress reduction of and life is optimized 62.55% crankshaft which was achieved by changing crankpin fillet radius and 25.88% stress reduction of and life is optimized 70.63% of crankpin diameter change. Then the results Von-misses stress, shear stress and life of crankshaft is done using ANSYS software results. From result of geometry optimization parameter like changing crankpin fillet radius and crankpin diameter are changes in model of crankshaft to improvement in fatigue life.
Article Details
Unique Paper ID: 156861 Publication Volume & Issue: Volume 9, Issue 5 Page(s): 228 - 233
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