1) truss element
杆单元
1.
A new element form, which is based on the displacement interpolation function of triangular or quadrangular solid element and the stiffness matrix of one-dimensional truss element, is introduced into the analysis on bolt-reinforced underground structure.
结合三角形、四边形等实体单元的位移插值函数和一维轴力杆单元的刚度矩阵,推导出了一种用于锚杆支护数值模拟的单元列式,可以在地下结构有限元计算中的任何开挖步自由地加设或拆除锚杆,而且,不必在划分初始计算网格时,事先考虑或预留锚杆的结点位置,大大地简化了有限元的前处理或网格划分过程。
2.
An element form,which is based on the natural neighbor interpolation and the stiffness matrix of one-dimensional truss element,is introduced into the analysis on bolted structures,and the implementation procedure and main program design are given.
结合自然相邻插值和一维轴力杆单元的劲度矩阵,推导了锚杆支护数值模拟的单元列式,给出了自然单元法分析加锚体的实施步骤和主要程序设计。
3.
In FEM modeling,point anchored truss elements and full-length bond truss elements were used to simulate the sub.
提出了一种有限元法分析锚固边坡的方法,考虑在有限元模型中采用点锚式和全长粘结式杆单元模拟实际锚固结构的自由段和锚固段,注浆加固体采用接触单元,在土体和结构共同作用和接触变形协调的应力计算的基础上,结合条分法稳定性系数概念,对锚固结构考虑粘结强度或抗拉强度,对土体考虑剪切破坏强度,可得出工程分析所需的锚固边坡稳定性系数。
2) link element
杆单元
1.
Nonlinear link element considering member initial curvature;
一种考虑杆件初始弯曲的非线性杆单元
3) bar element
杆单元
1.
A new calculation model for the second order elastic analysis of plane steel bar element structures is presented by replacing the general bar element with a new one, which has two rotational springs at its ends.
用两端带转动弹簧的杆单元代替一般的杆单元,提出了一种新的平面杆系钢结构二阶弹性分析计算模型。
2.
A new calculation model for the dynamic analysis of plane steel bar element structures is presented by replacing the general bar element with a new one,which has two rotation springs at its ends.
用两端带转动弹簧的杆单元代替一般的杆单元,提出了一种新的平面杆系钢结构动力分析计算模型。
3.
Taking the three dimensional bar element as an example, the formulations of the FPM are derived in the paper.
以空间杆单元为例推导了有限质点法计算公式。
4) beam element
杆单元
1.
A new beam element with a crack is proposed, and its dynamic stiffness matrix is derived by using the line-spring model in fracture mechanics.
提出了一种含裂纹的杆单元,基于断裂力学的线弹簧模型,导出了相应的动刚度矩阵。
2.
The internal forces and displacements of the frame-shear wall structures with the constant stiffness for various rigidity characteristics under various kinds of loads are calculated by beam elements method,storey elements method and analytical formulas.
采用杆单元法、层单元法和解析公式,分别计算不同结构刚度特征值的等刚度框-剪结构,在不同的外荷载作用下的内力和位移;采用杆单元法和层单元法,计算不同结构刚度特征值的变刚度框-剪结构,在均布荷载作用下的内力和位移。
5) bolt element
锚杆单元
1.
This paper presents an elastic-plastic bolt element and performs numerical simulation of tunnels in loess with bolt elements.
介绍了一种弹塑性锚杆单元,给出了黄土隧道考虑锚杆作用的数值分析结果,对锚杆的合理长度以及提高锚固区围岩力学参数模拟锚杆作用方面提出了合理的建议。
2.
This paper presents a method for analyzing the plastic properties of a grouted rock bolt element.
介绍了一种考虑岩石锚杆单元塑性性能的修正常数法 。
3.
In this paper, a type of comprehensive bolt element which can take both longitudinal tensile behaviour of bar and lateral bending behaviour of beam into account is proposed in order to fully simulate the contact performance of interface between bolt and surrounding rock mass and stress state of the fully-grouted rock bolt in the rock mass.
考虑锚固支护工程中锚杆真实的受力状态及其与周围岩体的相互接触效应;结合普通杆单元和梁单元的受力特性,基于ABAQUS软件强大完善的处理计算功能,开发综合轴向拉应力特性及横向弯曲应力效应的复合锚杆单元,数值试验模拟验证计算方法的正确性。
6) beam element
杆系单元
补充资料：(三油酸、单元脂肪酸)三甲基丙烷酯
CAS：85005-23-8
中文名称：(支链与直链)(C14-18饱和、C18不饱和)脂肪酸与三甲基丙烷的酯化物
(三油酸、单元脂肪酸)三甲基丙烷酯
英文名称：Fatty acids, C14-18 and C18-unsatd., branched and linear, esters with trimethylolpropane
中文名称：(支链与直链)(C14-18饱和、C18不饱和)脂肪酸与三甲基丙烷的酯化物
(三油酸、单元脂肪酸)三甲基丙烷酯
英文名称：Fatty acids, C14-18 and C18-unsatd., branched and linear, esters with trimethylolpropane
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