Kirchhoff动力学比拟对弹性薄壳的推广1)
薛纭, 陈立群

GENERALIZATION OF KIRCHHOFF KINETIC ANALOGY TO THIN ELASTIC SHELLS 1)
Xue Yun, Chen Liqun
图5 微分单元及其计及应变的应力状态
Fig.5 Differential unit and its stress state considering strain