在该单元构造过程中，考虑了肋骨弯曲、扭转、面内剪切和横向剪切变形的影响；
The formulation of the element considers the coupling effects between in-plane bending and torsion as well as transverse shear effects for the stiffeners.
马氏体相变符合GT模型的双切变特征，惯习面为(113)面。
Martensite transformation according with the character of double-shear in GT modal and (113) habit planes was testified.
在计算各单层横向剪切变形影响时，采用单层中面法线变形后维持直线，但放弃层中面法线及其正交线之间变形后保持直角的假定。
The transverse shear deformation as well as extensional strain in each lamina is included. Equations of equlibrium for laminae are first derived.
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