Stiffness Evaluation and fast matching method of mechanical composite structure

Abstract Stiffness evaluation can improve the reliability and safety of combined machinery, which is often used to evaluate performance machinery. In order study stiffness method rapid matching mechanical composite structure, machinery composed high-power diesel taken as research object. The results show that error between test mode calculation no more than 10%, indicating finite element simulation model; two characterization methods static dynamic are determined, analysis discussed one by one. Taking body, main bearing cap oil pan object, overall data three parts obtained one; finally, principles combination Evaluation summarized. This provides a reference for structures.