Optimum Design of Cylinder Head Structure Based on Significance Analysis
In order to change the structure of the cylinder head, improve the temperature distribution and structural reliability of the cylinder head under operating conditions, the cylinder head construction was optimized with the six sets of parameters such as the width of the bridge of the nose as the design variables, the allowable range as restrictions, the lowest equivalent thermal stress as optimized target. Based on the orthogonal experiment method, the orthogonal experiment table of 6 factors and 5 levels was constructed, and the corresponding three-dimensional model was established, then obtaining the temperature field and thermal stress by simulating. By means of mean method, the significance level of each factor was analyzed, and the optimal scheme was selected and compared according to the significance level of each factor. The results show that the maximum thermal stress of the optimized size is 13.48%lower than that of the original structure, which provides a reference for the structural design of the cylinder head.
NETL
NSTL
万方数据
维普
