三维退化层合曲梁单元 degenerated 3-D laminated curved beam element
曲板板梁单元 curved plate beam element
曲梁或管单元 BEND
A nonlinear curved-beam finite element is developed for three-dimensional space systems by using the principle of potential energy and polynomial functions.
利用势能原理和插值函数推导了一种拱结构空间几何非线性分析的曲梁单元。
参考来源 - 拱结构空间几何非线性分析的曲梁单元Secondly, to include the warping effect the curved beam element with eight degrees of freedom is utilized. The element stiffness matrix, element mass matrix and seismic mass matrix in three directions for both girder and pier elements have been derived.
首先利用计入翘曲影响的每结点八自由度的曲梁单元,推导出桥墩单元的刚度矩阵、质量矩阵和三个方向地震质量矩阵。
参考来源 - 隔震曲线梁桥三维地震反应分析·2,447,543篇论文数据，部分数据来源于NoteExpress
由此我们建立了二节点、十二个自由度的曲梁单元。
Then, a two bode shallow beam element with twelve degree of freedom is established.
利用变分原理，推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
From the variation principle, an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived.
按本文公式编制的曲梁单元程序的运行表明，计算一个曲梁单元和计算一个直梁单元所需的计算机时间几乎是一样的。
The comparison of the results by using curved beam element of this paper and a broken line approximation of several straight beam elements shows that the curved beam element is much b…
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