The article has applied the weighted residual method and laplace changing to analyze the plastic dynamic response of a simple circular plate, the influence of elastic foundation on it and drives its residual deflection and the terminal time.

• 摘要应用加权残值法和拉普拉斯变换，分析弹性基础上简支圆板的塑性动力响应问题，弹性基础对薄板塑性动力响应的影响，并且给出板的残余挠度和终止运动时间。