truss element meaning in Chinese
桁架杆元
Examples
- In this thesis , the internal force and transfiguration of the double reticulated dome under different load combination are studied ; the linear and nonlinear analysis are separately performed ; compare the difference between space girder element and space truss element ; at last analyze the dynamical response under seismic action . the horizontal seismic response of double layer oblate lattice shell is analyzed by using step - by - step integration procedure . the effect of some parameters such as exterior load , different support conditions and damping ratio on the dynamic internal forces and dynamic properties is studied
本文旨在研究双层球状网壳结构在各种载荷组合下的内力和变形，分别进行了线性和非线性静力分析；进行了空间梁单元和空间杆单元两种计算模型的比较；最后进行了在地震荷载作用下的动力反应分析，动力分析中用子空间迭代法得出了这类空间结构的动力特性，用时程法中的振型叠加法分析了结构在水平地震作用下的动态响应规律。 - The equilibrium path is traced using the arc - length scheme with the rigid - pin - joint model in which the spatial beam elements are used in single - layer parts and spatial truss elements are used in the double - layer parts . thus the stability behavior is summarized and the critical load is obtained . 2
本文采用钢、铰接模型，即单层部分采用空间梁单元，双层部分采用空间杆单元，应用弧长法跟踪了网壳结构的平衡路径，总结了此类网壳结构的失稳规律，并且得出了结构由单层过渡到双层时临界荷载的变化规律。 - Based on the virtual work increment equation of updated lagrangian formulation , tangent stiffness matrix of spatial beam / truss element is obtained . according to base assumptions and catenary equation of cable , the iterative formulations of tangent stiffness matrix and nodal force of the spatial two - node catenary cable element are put forward . therefore the entire geometrical non - linear finite element theory for the analysis of suspension bridges is established
本文的研究工作和取得的主要成果有: 1 .将大旋转小应变空间梁(杆)单元与两节点空间悬链线索单元结合起来,形成了一套完整的适合于悬索桥结构分析的几何非线性有限元计算方法。 - Aiming at main project of the xiaoxihu bridge , a low pylon cable - stayed bridge , based on the existing theory and method of the bridge construction controlling theory , using the basic function of " ansys " , farther exploitation was done on concrete elasticity and creep calculating distinguishingly , nonlinearity analysis theory was used to construct the space model , the main beam , string pylon and abutment were simulated by the beam elements which was considered the shearing effect . which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable , form traveler is modeled as structure elements and participate in stress analysis . four stages are used to model the construction stage , which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables
针对建设中的小西湖矮塔斜拉桥的主体工程，结合已有的桥梁施工控制的理论和方法，利用大型通用计算软件ansys的基本功能，并着重在混凝土弹性计算及徐变计算方面做了相应的二次开发，采用非线性分析理论并建立了空间结构模型、用考虑剪切作用的梁单元模拟主梁、索塔和桥墩；用可考虑几何非线性的桁元模拟斜拉索、施工挂蓝作为结构单元进行拆装，参与受力计算，整个施工过程按施工循环周期分为若干阶段，每个阶段又分为四个工况，即：空挂蓝就位、浇筑完毕阶段混凝土、张拉预应力钢筋和张拉斜拉索。