1) nonuniform beam element
变截面梁单元
2) Tapered Beam Element
变截面梁元
3) beam element with meshed sections
网格截面梁单元
1.
Based on the distributed plasticity approach,a new kind of beam element,3-D materially nonlinear beam element with meshed sections,was presented to analyze the materially nonlinear behaviour of frame structures accurately,and a numerical example for the elasto-plastic analysis of a cantilever beam was given to illustrate the accuracy and efficiency of this approach.
为准确描述材料进入非线性阶段后的应力状态,针对采用梁单元时框架结构材料非线性的有限元分析问题,提出了基于分布式塑性理论的三维材料非线性梁单元分析方法——网格截面梁单元法,并通过算例对其有效性和准确性进行了验证。
4) variable section beam
变截面梁
1.
The transfer matrix method for the bending and stability of the variable section beams with shear deformation is presented.
提出了考虑剪切变形时变截面梁弯曲和稳定计算的传递矩阵法。
2.
The element stiffness matrix of this variable section beam is derived based on principle of virtual displacement.
对圆锥形变截面梁单元进行了分析，采用有理函数的位移模式，利用虚位移原理，推导出该变截面梁单元的刚度矩阵。
3.
Moreover,according to this method,the deflection curve equation of other kinds of variable section beam will be also carried out.
本文利用积分法求出了变截面悬臂梁在各种不同载荷作用下的挠曲线方程，而对于其它类型的变截面梁，都可以按照这种方法去求解。
5) non-uniform beam
变截面梁
1.
In order to calculate rationally the shear stresses in prestressed concrete box beams with variable cross section and reflect objectively their distribution, general formulas for shear stresses of arbitrary non-uniform beams are derived.
为了合理计算预应力混凝土变截面箱形梁的剪应力,客观反映其应力分布状况,首先推导了任意变截面梁剪应力计算的一般公式,在此基础上,考虑箱形梁的梁高、底板厚度、腹板厚度沿跨度的变化,导出了变截面箱形梁的剪应力实用计算公式。
2.
Based on the method of integration operators, a new method of computing equivalent nodal forces and inner forces for prestressed non-uniform beams is presented in this paper.
将积分算子法用于变截面梁预应力问题的计算,提出了一种新型计算方法。
6) tapered beam
变截面梁
1.
The finite difference method is always used to solve the maximum lateral flexure and its position for a tapered beam.
在工程实际中,通常使用有限差分法来确定变截面梁最大挠度及其所在位置,然而这种方法十分繁杂。
2.
A method is presented in this paper for calculating the d eflection of tapered beam with shear effects by choosing an appropriate deflecti on equation and an appropriate slope equation.
选择合适的挠曲线方程和转角方程,采用能量法计算了变截面梁在考虑剪切变形影响时的挠度。
补充资料：变截面积流量计
分子式：
CAS号：
性质：是利用节流原理来测量流量的仪器。它采用一流通截面积可以变化的节流部件。当流体流过时，流量与节流部件的流通截面积大小有关，由截面积大小可求得流体流量。节流部件的流通截面积虽随流量的大小而变，但它前后的压差却不变，故又称恒压降流量计。变截面积流量计有转子流量计、冲塞式流量计。
CAS号：
性质：是利用节流原理来测量流量的仪器。它采用一流通截面积可以变化的节流部件。当流体流过时，流量与节流部件的流通截面积大小有关，由截面积大小可求得流体流量。节流部件的流通截面积虽随流量的大小而变，但它前后的压差却不变，故又称恒压降流量计。变截面积流量计有转子流量计、冲塞式流量计。
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