摘要
给出几种典型的变分原理及界限定理,再建立一种关于应力函数及二个位移函数的近似理论。
Some types of variationai principle and bound d.eorem are obtained. An approximate theory, which uses the stress function and two displacement functions as its variables, is established
出处
《力学学报》
EI
CSCD
北大核心
1990年第6期748-752,共5页
Chinese Journal of Theoretical and Applied Mechanics
