By use of the variational method, the potential energy principle of a elastic system on a variable domain is discussed.

并用该变分法讨论了具有可变区域的弹性系统的势能原理。

youdao

By use of the variational method, the potential energy principle of a elastic system on a variable domain is discussed.

并用该变分法讨论了具有可变区域的弹性系统的势能原理。

youdao