1) pole element of axial force
轴力杆单元
2) pressed bar element method
压力杆单元法
1.
The stress distribution of the underground pipeline was obtained with the pressed bar element method.
采用压力杆单元法确定地下管道的应力分布,并将管道内边界的应力数值与光弹性实验结果进行比较,说明该种方法在工程中具有重要的应用价值应用此方法对地下管道管底弯矩系数随周围介质弹性模量及砂石垫层包角的改变而变化的规律进行了分析,为地下管道的优化设计与施工提供重要的参考依
3) 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。
4) 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。
5) 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
6) 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。
补充资料:同轴螺杆式注塑成型机
分子式:
CAS号:
性质:也称同轴往复式螺杆成型机。用螺杆使得成型材料塑化,同时螺杆也起柱塞作用的注塑成型机。可用于热塑性塑料、橡胶、泡沫塑料等各种材料的成型。由于螺杆旋转将塑化的材料积蓄在机筒头部,螺杆在积料的反压下向后退到一定的位置,同时继续将新加入的物料输送到螺杆头部。达到设定的预塑量后,螺杆停止后退,在注射油缸的作用下像柱塞一样前进,将熔融物料射出。除了保持螺杆塑化的优点外,与螺杆预塑化注塑机相比具有结构简单、成型材料滞留少、不易分解、更换材料容易等优点。
CAS号:
性质:也称同轴往复式螺杆成型机。用螺杆使得成型材料塑化,同时螺杆也起柱塞作用的注塑成型机。可用于热塑性塑料、橡胶、泡沫塑料等各种材料的成型。由于螺杆旋转将塑化的材料积蓄在机筒头部,螺杆在积料的反压下向后退到一定的位置,同时继续将新加入的物料输送到螺杆头部。达到设定的预塑量后,螺杆停止后退,在注射油缸的作用下像柱塞一样前进,将熔融物料射出。除了保持螺杆塑化的优点外,与螺杆预塑化注塑机相比具有结构简单、成型材料滞留少、不易分解、更换材料容易等优点。
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参考词条