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- Adoption girder element and spring element, among them the beam element is used to imitate the tracks plate, the spring element is used to imitate to fastenings and spring bolster. 本设计中采用有限元方法来计算轨道的应力值,将浮置板转化为弹性点支撑有限长梁模型。
- Layer plate can be fluctuated as per the customer's request. 层板可根据用户要求,上下自由调整;
- It can also take care of some plate girder defections, such as residual stresses and initial bending. 它还可以考虑梁的初始缺陷,如残余应力和初弯曲。
- Using finite element calculation software " Ls-Dyna" , finite element calculation and numerical simulation are carried on when underwater contact explode load act on single layer plate and double layer plate. 应用有限元计算软件Ls-Dyna将水下接触爆炸载荷对单层钢板和双层钢板的作用进行有限元计算与数值模拟。
- The design of the sideway track box plate girder of the double beam shop traveller is described. 本文介绍20吨葫芦双桥梁式起重机及其偏轨箱形梁的设计计算。
- Then, a simple layered plate under impact loading is studied experimentally using dynamic photoelasticity and dynamic caustics to investigate the models accuracy and stability. 为考察其精度和稳定性,对受冲击载荷作用的简单分层平板同时进行了动态光弹性和动态焦散线实验。
- In this paper, the plate girder bridge is modeled as an orthotropic plate, and the vehicle is modeled as a group of loads moving on the orthotropic plate. 同时,简支板梁桥又是小跨径桥梁最常用的桥型之一,因此,移动车辆荷载引起的简支板梁桥动力效应越来越被工程技术界所关注。
- A numerical study on the performance of a hemispherical head antiship missile penetrating the plate girder structure is presented using LS-DYNA program. 采用非线性动力学有限元计算程序LS-DYNA对半球形状半穿甲导弹作用下板梁结构抗穿甲性能进行了数值模拟研究。
- A new type of structure of vehicle plate spring glass/epoxy cliping layer plate spring was designed and manufactured. 在本项研究工作中,我们设计制作了一种新型结构形式的汽车板弹簧-玻璃/环氧单片夹层板弹簧。
- In the finite element model the gap elements are arranged at the ends of girder element of the tube string to simulate the contact and friction among rod, tube and casing string. 通过构建双层接触间隙元,建立有限元分析模型,将油管柱、套管柱和抽油杆柱之间作为一个耦合的整体进行有限元力学分析。
- The inner standing columniation can be adjusted from front to back as per different request, and the layer plate can be adjusted fluctuated to fix easily. 内立柱可根据需要前后调节移动,层板可上下自由调节,便于安装;
- A new method based on a silica G thin layer plate, coupling of electrophresis and chromatography in one step to have a bidimensional chromato electrophoresis map, is described. 在硅胶G薄层板上采用一步展开的方法进行二维色谱电泳。为此,设计了一种新的装置,在常规薄层板的两边设置一与展开方向垂直的水平电场,使色谱过程与电泳过程同时进行。
- The fissure repair of concrete plate girder 钢筋混凝土板梁的裂损及其整治
- Plate girder type steel structure 板梁式钢结构
- Two alkyl phenyl ether chain isomers and seven long chain alkylphenol chain isomers were obtained by separating the long chain alkylphenol with centrifugal thin layer plate separator. 使用离心薄层层析仪对长链烷基酚进行分离,得到2个烷基苯基醚链异构体和7个长链烷基酚链异构体。
- steel plate girder bridge for railway 铁路钢板梁桥
- railway bridge of steel plate girder 铁路钢板梁桥
- Reflecting layer plating on the inside wall of glass shell produce high luminous efficiency and concentrated lighting effect. Square, station, dock and building site lighting. 玻壳内壁镀有反射层,发光效率高,光效集中。适用于广场,车站,码头,工地投射照明。
- railway steel plate girder bridge 铁路钢板梁桥
- post-tensioning method hollow plate girder 后张法空心板梁