Determination of Frequency Vibration of Crankshaft with Different Mesh Structure with LS DYNA Finite Element Program
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Keywords:
Internal Combustion Engines, Crankshaft, Vibration Analysis, Finite Element Method, LS DYNAAbstract
In this study, the vibration behavior of the crankshaft used in internal combustion engines was
analyzed with a finite element program. The study was carried out with the LS DYNA finite element
program. The shaft model created with Solidworks was then converted to finite element analysis by
entering the material and boundary conditions into the Lst-prepost program. The effect of the mesh size
used in the study on the calculation results was analyzed. Steel were used as shaft materials. The
eigenvalue material card was used for 10 different frequency modes. The maximum error for different
mesh size was determined as 2.2%. Therefore, it has been determined that the size of mesh used is an
effective parameter on vibration. The results presented here are intended to shed light on future studies on
crankshaft geometry changes.
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