摘要
文章用三维弹性理论的非线性应变公式研究了弹性薄板的后屈曲特性，旨在探讨冯·卡门平板大挠度方程的可靠性范围。计算结果表明，当板中薄膜力较大时，用冯·卡门方程描述后屈曲问题会产生较大的误差。
The pistbuckling behaviors of the elastic thin plates have been researched with the strain formulasof three-dimensional elastic theroy in order to survey the range of reliability about von. karmans largedeflection theory of plates. The results of caculation show that the von. karmans theory has the errorswhen the larger membrane force exists in the plat.
出处
《应用力学学报》
CAS
CSCD
北大核心
1996年第1期137-142,共6页
Chinese Journal of Applied Mechanics
关键词
弹性
薄板
三维非线性应变
后屈曲
elastic thin Plate, three-dimensional nonliear strain, postbuckling.
