1) sheet metal four edge folding cell
板材四面折边单元
2) plane quadrilateral element
平面四边形单元
1.
A measure for distortion of plane quadrilateral elements;
平面四边形单元畸变的一种度量方法
3) quadrilateral thin plate bending element
四边形薄板弯曲单元
1.
A special interpolation of the element displacement field using the displacement along each side of element is proposed and a new C1 conforming quadrilateral thin plate bending element is developed.
提出一种由单元协调边界位移直接插值单元位移的特殊插值法,并用该方法构造出一种新型的12节点参数C1阶协调任意四边形薄板弯曲单元。
4) arbitrary quadrilateral elements
任意四边形板单元
1.
Mesh of elastic foundation plate is generated with arbitrary quadrilateral elements, which is described according to theories of both plane problem and bending problem.
用任意四边形板单元离散弹性基础板,将基础板按平面问题加薄板弯曲问题进行描述。
5) parallelogram plate element
平行四边形板单元
6) curved quadrilateral isoperimetric element
曲面四边形等参单元
1.
Based on the geometrical nonlinear finite element (GNFE) theory, thepaper use a curved quadrilateral isoperimetric element with 8 nodes to makeprograms of computer aided the internal fo.
本文根据几何非线性有限元理论,采用8结点曲面四边形等参单元,编制了用于张力膜结构内力分析的有限元程序。
2.
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论,提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
补充资料:Demoulin四边形
Demoulin四边形
Demoufin quadrilateral
D曰.日加四边形〔D...山匕q口dr面妇目;及eMy月e.a,e-Tupexyro月‘二R] 三维(射影)空间中曲面上双曲点M处密切L触二次曲面(琉q世叻由)的两对直母线I,,盯和I:,lz’所构成的四边形·直线11,鱿,12,l:’称为L玲几幻uha享毕(D曰加咖s妞吵t恤),它们平行于与咏二次曲面相伴随的规范四面体T(M,从,从,从)的棱从从和从从,该四面体称为D即旧ulin四万惨住地n幻ulinte垃山团功n).由A.L比1加川运(〔l])研究得,D即阳ulin四面体非蜕化的充分必要条件是第三R面川形式(Fubha form)非蜕化.【补注】一般来说,f犯叹幻曲n四面体可在曲面的所有点上有定义,而不只限于负曲率(双曲点)的情况,见【Alj .L地几幻川运四面体顶点的主要特征如下:对于一张曲面的所有疏二次曲面的集合,存在四张不同于原曲面自身的包络面.这些包络面恰好与L沁二次曲面相交于公汕以山n四面体的顶点.【译注】在文献田l]中,疏二次曲面被称为李织面.
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条