The Study of Optimization Design of Engine Exhaust Manifold Based onFinite Element Analysis

摘要

Aim to the exhaust manifold breaking phenomenon which appeared during pedestal experiment of a certain model engine, the main damage resource was detected through the studying and analyzing of exhaust manifold's dynamic characteristic by means of FEM method. According to the results, one optimization design from both of materials and structure modified was provided. The engineering application and FEM analysis of modified structure show that the optimization design was efficient to deal with such problem.