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 摘要應(yīng)用加權(quán)殘值法和拉普拉斯變換,分析彈性基礎(chǔ)上簡支圓板的塑性動力響應(yīng)問題,彈性基礎(chǔ)對薄板塑性動力響應(yīng)的影響,并且給出板的殘余撓度和終止運(yùn)動時間。