| 1. | A 8 - node flat shell element based on the generalized conforming condition 一种基于广义协调条件的八结点平板壳单元 |
| 2. | For meet ing the conditi on , there must be a shear and a moment cal1ed " edge 1oads " at the interface between adjacent two cyl inders 为满足此变形协调条件,于各段筒体连接截面处必然存在一剪力和弯矩? ?边缘载荷。 |
| 3. | The common work of pile - soil - structure is regarded to an entirety , and should meet the coordination condition on contact side each other 桩-土-上部结构的共同作用是把三者看成一个整体,并要满足相互之间在接触部位的变形协调条件。 |
| 4. | After analyzing deformation of each cirque , with combined cirque method , pressure - bearing ratio of steel lining and rock is obtained in the condition of coincident deformation among each cirque 并利用变形协调条件,推导出各环变形的解析解,得到钢衬和围岩的压力分担比。 |
| 5. | By satisfying the equilibrium of inter - force and coordination of deformation , the stress and the loading capacity of the prestressed concrete filled steel tubular structure are analyzed and calculated ; 4 在满足内力平衡和变形协调条件下,对预应力钢管混凝土结构的受力全过程作了应力分析和承载能力计算; 4 |
| 6. | But that of supper quiet fixed structure can not be computed only with quiet equilibrium condition , it must be considered the flexible deformed coordinative condition of structure in same time 超静定结构的支座反力和各截面的内力不能完全出静力平衡条件叩。地确定,必须考虑结构的弹性变形协调条件确定之。 |
| 7. | Then , the edge 1oads can be so1ved according to the coordination condi tions of deformation , and the radia1 disp1acements and rotat ions of each individua1 cy1 inder under corresponding edge 1oads can be obtained 于是,依据边缘变形协调条件,可求出各筒体边缘载荷。然后,可求得各圆筒在相应边缘载荷作用下的径向位移和转角。 |
| 8. | Major contents of the thesis are as follows : 1 ) based on brief introduction of the profile theory about the spatial cam sliding tooth transmission , those formulas correlated to the mechanics feature are deduced to calculate the geometrical parameters ; 2 ) according to the hertz contact theory in elastic - mechanics , the mechanics analysis model of the spatial cam sliding tooth transmission is built up ; the deformation harmonizing conditions at each contact point are erected ; the force analysis formulas of point contact are deduced and the resolution method is presented ; 3 ) the numerical calculating software about the deformation of the spatial cam sliding tooth transmission is developed ; using the software , the force characteristics of the spatial cam sliding tooth transmission are calculated with different design parameters ; the general law on force characteristics of this transmission is obtained 论文的主要内容包括: 1 )在简要介绍空间凸轮活动传动齿廓理论的基础上,推导了与力学特性相关的几何参数的计算公式。 2 )建立了空间凸轮活动传动的力学分析模型;依据弹性力学赫兹接触理论,建立了各接触点之间的变形协调条件,推导了空间凸轮活齿传动点接触受力分析公式,并给出了求解的方法。 3 )开发了关于空间凸轮活动传动受力变形的数值计算软件;应用该软件,对不同设计参数的空间凸轮活齿传动的受力特性进行了数值计算,获得了该传动受力变形的一般规律。 |
| 9. | The two models of rigid and elastic piles have been discussed respectively , in which the anchor cable will be regarded as an elastic hinge . under the consideration of deformation harmony of anchor cable with piles bodies and pile bottom conditions , the solutions of the internal forces distribution along piles bodies are presented 本文分别按刚性桩和弹性桩两种物理模式,将锚索视为弹性绞支座,利用抗滑桩和锚索位移变形协调条件,计算出不同桩底条件下抗滑桩的内力分布。 |
| 10. | According as distortion harmonious condition of traction cable ' s anchorage on cable - suspended traveler , increasing amount of cable tension during casting concrete was computed , and under every key operating condition of casting concrete , traveler ' s frontend elevations were educed . we seriously controlled wenhui bridge ' s course of cantilever casting concrete by this method , which assured that the bridge ' s construction went on successfully . and then , it was discussed how to simulate the effect of prestressing force in spatial analysis 根据挂篮前端牵索锚固点处的变形协调条件建立了挂篮上混凝土浇筑过程中牵索索力的增加量,并推导了挂篮上混凝土浇筑过程中的各主要工况下挂篮前端标高的计算公式,对文晖大桥挂篮上混凝土浇筑过程中的牵索索力和挂篮前端标高进行了细致地控制,确保了混凝土浇筑的顺利进行,为整个主梁线形和索力的双控打下了良好的基础。 |