5 . the above thermal shock model and thermal shock stand has been applied to the simulated calculation and test of the piston of mode 6150 diesel engine successfully . this paper is sponsored by national natural science fund ( 59876034 ) U人上述模型应用于6150柴油发动机活塞，计算结果与热冲击试验台的测试结果进行了对比表明：在活塞热冲击试验的条件下，矩形波平壁模型能够较好地描述实际的试验状况。
