摘要
证明余能原理与势能原理具有相同的极值条件,同时得到界限定理。
In this paper, it is shown that the complementary energy theorem and potential energy theorem have the same extreme conditions. And, the bounds theorem is also established.
出处
《上海力学》
CSCD
1990年第1期82-83,共2页
Chinese Quarterly Mechanics
