Finite Element Analysis On Crankshaft Based On ABAQUS

As an important transmission parts of EA113gasoline engine, Crankshaft is one of thelargest load parts. Because of periodic change of gas force, inertial force and other torquesworking together. Crankshaft withstands bending and torsion alternating load, it isnecessary to have adequate crankshaft anti-torque flexural stiffness and fatigue strength.Modern engine designs towards a higher load, lower fuel consumption, lower emissions,higher reliability, lighter weight, the crankshaft increasingly harsh working conditions withdevelopment. Crankshaft is the key part converting thermal energy to kinetic energy.So inthe development and optimization of the engine, the crankshaft of the study is of greatimportance.This paper has studied crankshaft of the EA113engine, and has carried out fatiguestrength analysis and dynamics analysis of it by using finite element method. the mainwork of the paper are as follow:(1) Crankshaft of EA113gasoline engine calculation with the method of continuousbeam, get the stress situation on each bearing, and use empirical formula to calculate thenominal stress.(2)Establish the overall three-dimensional model with Pro/E, and through interfaceProgram between Pro/E and ABAQUS software, import the model into ABAQUS softwareto generate finite element model.(3) Apply in ABAQUS loads and boundary conditions to calculate the static strength ofthe crankshaft, the crankshaft stress and deformation analysis, and based on the theory ofgraphs and analyzed, and the results of the crankshaft safety factor.(4) In the ABAQUS crank modal analysis, the natural frequency of the crankshaft andthe crankshaft vibration frequency changes with each point displacement is mapped, workout the probability of resonance occurs in the engine during operation.