渡槽支架采用空间梁单元模拟；
渡槽支架采用空间梁单元进行模拟。
材料内部裂纹通过断开梁单元来模拟。
Cracks in material were simulated through breaking beam elements.
支架采用空间梁单元离散。
用均方加权约束梁单元和四边形板单元过渡。
The transition of girder element and quadrilateral board element were restricted with mean square weighting.
应用退化梁单元分析了混凝土结构的徐变问题。
The creep of concrete structures is studied using degenerated beam element.
采用空间梁单元模拟高墩、大跨桥梁实际结构。
Spatial beam element is adopted to simulate large-span bridge with high-pier.
采用梯形梁单元分析砖石拱桥在载荷作用下的行为。
A tapered beam element model is used to simulate the behaviour of a masonry arch bridge with loading.
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.
为了实用需要，程序内装有受空间弯扭作用的梁单元。
For practical purpose, beam units subjected to spacial bending and torsion are included in the program.
最后，由梁单元结点力平衡建立分析弹性地基梁的矩阵方程。
At last, the matrix equation for analyzing elastic foundation beam is held up by the equilibrium of node forces.
采用空间梁单元对实际的石拱桥拱脚开裂现象进行了有限元模拟分析。
The internal force of stone arch bridge in the course of cracking at arch foot was computed using the spatial finite beam element method.
而采用节点耦合和约束方程，则与采用梁单元铰接的计算结果基本一致。
However by applying node point coupling and restraint equations the result of calculation was basically identical with the calculation result that adopts beam unit hinge joint.
采用较为简单的梯形梁单元分析圬工拱形建筑结构受荷载作用的力学性能。
A tapered beam element model is used to simulate the behaviour of an arch structure under loading.
通过对构件转角-位移方程的修正，推导了半刚接梁单元线刚度修正系数。
Through revising the equation of rotation-displacement, the revised factor of the line rigidity of beam with semi-rigid connections is derived.
利用梁单元和实体单元各自的优点，通过二次建模互补进行结构有限元分析。
The respective virtues of beam element and solid element are shown in two modelings.
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.
导出了变截面梁单元的单元刚度矩阵、单元等效节点荷载和单元一致质量矩阵。
The stiffness matrix, equivalent nodal load and consistent mass matrix are derived for the beam element with variable cross-section.
退化型悬索单元能在对普通梁单元进行刚度折减的基础上给出良好的分析结果。
The degenerated cable element is derived by the reduction of stiffness of the conventional beam element and the results are acceptable.
模型中，桁架柱采用三维梁单元模拟，其等效弯曲刚度利用弯曲试验直接获得。
The Web steel truss beam is simulated with three-dimensional beam element, and the equivalent bending rigidity of the beam could be obtained by bending test.
引入梁单元组模拟斗拱连接，从而建立了具有木塔较细致结构的有限元计算模型。
The mortise and tenon joint of the structure is replaced by a special beam-element group in the finite element model.
建立了埋地输油管道三维梁单元有限元应力应变计算力学模型，并给出了求解方法。
A calculating model of finite element method with three-dimensional beam element for subsurface pipeline was established.
针对客车车身结构的受力计算，本文提出了一种更符合实际结构的薄壁偏心梁单元。
For calculating stress of BNS body structure, a thin-walled eccentric beam element witch accords with demands is introduced in this paper. The eccentricity existing in truthful structure.
提出了空间柔性转子梁单元模型，建立了考虑关节及杆柔性的空间机器人动力学方程。
The model of a spatial flexible rotor beam element is presented, and the dynamic equations of spatial manipulators considering joint and link flexibility is derived.
将桅杆结构离散为空间纤绳单元和梁单元计算模型，建立了桅杆结构非线性平衡方程。
The nonlinear equation of the guyed mast is presented based on calculation models of space cable and beam elements.
然后利用梁单元和MPC184单元，建立了供强度计算的有限元模型并进行了简化。
Then, by using beam element and MPC184 element, the finite element model for strength analysis was setup and simplified.
进而依据非线性有限元理论推导了该三结点梁单元的几何刚度矩阵的单元切线刚度矩阵；
The three-node beam element tangent stiffness matrix including the geometric stiffness matrix is developed according to the nonlinear finite element theory.
针对阻尼合金夹层梁提出了一种2节点10自由度梁单元模型，给出了该单元运动微分方程。
A beam element of 2 nodes and 10 degrees of freedom with interlayer damping alloy is presented and the element differential equation of motion is put forward.
实现了对杆单元的轴向振动系统、析架系统，平面梁单元的转子系统等上述两类问题的求解。
It has been successfully applied to solve the problems of truss structure system, axial vibration system, rotor system and plane beam system etc.
实现了对杆单元的轴向振动系统、析架系统，平面梁单元的转子系统等上述两类问题的求解。
It has been successfully applied to solve the problems of truss structure system, axial vibration system, rotor system and plane beam system etc.
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