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Generalizied conforming triangular shallow shell element with vertex rigid rotational freedoms 具有旋转自由度的广义协调三角形扁壳元
shallow shell element 扁壳元
Eight-nodded curvilinear quadrilateral isoparametric shell element is used both in the FEM and in the BEM. 在有限元方法和边界元法中均采用了八结点曲面四边形等参单元。
This composite shell element possesses function for linear, geometry nonlinear and thermo-elastic analysis. 该复合材料壳元具有线性、几何非线性及热弹性分析功能。
One is taper section 3D beam element model, the other is 3D compounding model with solid element and shell element. 结果表明，在均布荷载与集中荷载作用下箱梁的剪力滞效应明显不同，对于地震时程反应分析而言，采用变截面三维梁单元模型计算效率较高。
A new type of shell element is presented to form an equilibrium equation with unknown node - displacements. 提出一种新的板壳单元,建立以结点位移为未知量的平衡方程组,组装得到的整体刚度矩阵为稀疏带状矩阵。
In this paper,a degenerated beam element is developed,evolving from a bilinear degenerated shell element. 从双线性退化板壳单元出发,演绎推导出了一种可以应用于空间有限元分析的退化梁单元。
Based on the assumed natural strain(ANS) theory,this paper has studied a novel macro triangular partition shell element. 针对剪切闭锁效应,本文研究了一种基于假设自然应变方法的宏观三角形分区平板壳单元。
The 4 node quadrilateral shell element with an one point integration is employed in the model of safety cover of grinder. 采用显式时间积分格式，磨床安全防护罩采用一点积分的4节点双线性壳单元。材料服从等向强化塑性准则。
circular spherical thick shallow shell 圆底球面厚扁壳
The finite element model with shell element and beam element was established,the mechanical behavior of anchorage zone under the most unfavorable load was analyzed. 采用板壳单元和梁单元建立了索梁锚固结构的有限元模型,对索梁锚固区在最不利荷载组合作用下的受力性能进行了研究;
The shell is modeled by a doublly curved quadrilateral shell element or triangular flat shell.They are suited for various mesh rezoning and any type of layup. 壳结构用四边形双曲壳或三角形平板壳模拟，可以适应各种网格划分和任意铺层方式。
For this reason, a new axisymmetric curved shell element with independent deflection and slope is presented by means of introducing generalized conforming condition int. 为此,通过对现有的轴对称壳体单元的研究,基于加权残值法,将广义协调条件引入剪应变场,构造了一种挠度和转角各自独立的新型轴对称曲壳单元。
An axisymmetric shell element for both mid-thick and thin shells are presented. 推导了一种中厚壳和薄壳都运用的轴对称壳单元。
Using improved thick shell element program, this paper analyses the space mechanics of shoping plate arch bridge with varies slope, produces the difinition of limitation slope. 利用改进的厚壳元程序，详细分析了斜板拱桥在不同斜度情况下的空间受力特性，提出“界限斜度”的概念。
It is only shallow people who judge by appearances. 只有浅薄的人才会以貌取人。
Numerical examples demonstrate that the four-node degenerated shell element proposed in this article has excellent performance and can avoid all kinds of locking problems. 数值结果表明，构造的四结点退化壳元拥有很好的性能，可避免各种自锁问题。
THE NONLINEAR STABILITY PROBLEM OF DOUBLE CURVATURE SHALLOW SHELL 双曲扁壳的非线性稳定
Plastic limital analysis of shallow shell structures 扁球壳结构的塑性极限分析
The rain ran in shallow runnels alongside the path. 雨水流进路边的小河沟里。