If the distance bwtween cylinders in an engine is determined the assignment of lengthwise structural parameters of crankshaft is very important to itsrigidity

strength

weight

volume and service life. In this paper

using FEM andstructural shape optimhation method

an optimhation design and sensitivity analysis of lengthwise structural parameters of crankshaft are mace

which providedcalculating data for the structural design of an engine crankshaft.