The optimal shape control of flexible intelligent thin shell structure is derived by using the intelligent thin shell element presented.
利用三维智能薄壳单元，研究了柔性薄壳智能结构的动态最优形状控制；
The reason for generating the false stress in a transition element connecting a solid element to a thin shell element for stress analysis is considered.
分析了体—壳过渡元中产生“虚假应力”现象的根本原因，给出了两种改进方法。
The numerical examples demonstrate that this element has less sensitivity to mesh distortion and can be applied to numerical analysis of thin shell structures.
数值算例表明，推导的单元适用于薄壳结构的数值分析，并具有很好的对歪斜网格的适应性。
This element can be used as solid element and can also be used to model thin curved shell structures.
该单元既可用做实体单元，又可模拟薄曲壳结构，在厚跨比非常小的情况下也能获得令人满意的精度。
This paper treats a pipe as a beam or as a thin shell. Then, the effect of cracks on the dynamic characteristics of pipes is calculated by means of the model of zero dimension element with crack.
在考虑管道长度特征的前提下，把管道近似地看作长梁或薄壳，然后以“含裂纹零维度单元”模型（即垂直于裂纹面方向的单元尺度为零）计算出裂纹对管道动态特性的影响。
A new kind of rectangle flat-shell element, GCTTRS24, for thick and thin shells was constructed.
构造了一种新的厚壳和薄壳通用的矩形平板壳元gcttrs24。
Most injection-molded parts are complicated thin-shell like structure, so the thin shell finite element method is usually used to analyze the warpage and deformation of the parts.
橡塑模具制品一般具有厚度方向尺寸较面内尺寸很小且形状复杂等特点，所以在对制品进行翘曲变形分析时，就可采用薄壳有限元法。
Most injection-molded parts are complicated thin-shell like structure, so the thin shell finite element method is usually used to analyze the warpage and deformation of the parts.
橡塑模具制品一般具有厚度方向尺寸较面内尺寸很小且形状复杂等特点，所以在对制品进行翘曲变形分析时，就可采用薄壳有限元法。
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