复合材料封闭截面薄壁杆变形耦合的消减

针对薄壁截面杆中面内正应力、剪应力耦合的本构方程，适当选择与几何和物性均有关的位移描写，得到基本变形在控制方程中耦合最少。这个模型还给出了截面上自平衡内力的一般描写方法。

The Elimination of Deformation Coupling in Thin Wall Composite Material Rod with Closed Section

Under the condition that normal stress and shear stress are coupled in constitutive equations,a set of displacements which depend on geometric and physical properties of a thin wall rod is specially designated to minimize the coupling of basic deformations in control equations,and general forms to describe self balance system of internal forces are proposed with the model given by the present paper.