structure shape造句
例句与造句
- now discussing how to form this kind of the root on structure shape becomes a new topic
现在探讨形成这种结构形态的根源,就成为一个新的话题。 - consider the randomness of various in design process, use stochastic finite element method, simulates the structure shape more really
通过考虑设计过程中各变量的随机性,利用随机有限元方法,更加真实地模拟结构形态。 - according to the rule of optimized design, structure shape of single-track railway tunnel is designed, then 7 kinds of schemes are brought forward
在满足优化设计原则的条件下进行了单线铁路隧道断面形式结构优化设计,提出了7种备选方案。 - the concrete superposed structure is a kind of structure shape, belonging to assembled monolithic concrete structure, which combines with cast-in-site concrete structure and prefabricated concrete structure
混凝土叠合结构一般是指在预制的钢筋混凝土或预应力混凝土梁(板)上后浇混凝土所形成的一种预制与现浇工艺相结合的装配整体式结构。 - traditional structural analysis is based on the single load model . however, in the construction period the reinforced concrete structure is a kind of time-varing structure in which structure shape, material performance and loads are all time-varing
传统的结构分析是按照一次加载模式进行的,而施工阶段的钢筋混凝土结构是形状、材料性质以及所承受的荷载均随时间变化的时变结构。 - It's difficult to find structure shape in a sentence. 用structure shape造句挺难的
- and use this optimization program computate the boom structure shape of heavy bucket-wheel stacker & reclaimer; based on shape optimization, we use second optimization technology to optimize structure section size . the optimization results are satisfied . the computation indicates that considering the geometric nonlinear element can enhance the calculation efficiency and precision of optimization design evidently in sensitivity analysis
编制了空间刚架结构优化设计程序(3dfem-opt.for),并利用编制的优化程序对某大型斗轮堆/取料机前臂架在最大应力约束条件下,进行结构形状优化设计;在形状优化的基础上,采用二次优化技术,对结构的截面尺寸进行了优化。 - the design of tunnel lining structure is related with the drainage and waterproofing system, lining structure shape, the permeability coefficient of grouting loop and so on, which should be carried out through special research and calculation . it is inappropriate by adopting present standard drawing briefly . ( 9 ) with the action of external
本论文提出的以堵为主“控制排水”原则和考虑外水荷载作用的铁路隧道衬砌结构设计等定性原则和定量方法,尽管是初步的、探讨性的,但这些原则和方法本身对改进和完善我国现有铁路隧道衬砌结构设计方法,提高我国隧道设计水平具有重要意义。 - the characteristics of land use change in this area are increase of arable land, urban construction and residents in rural areas and considerable decrease of natural grassland, furthermore the trend of land use type reducing to one occurred . the spatial change of land use structure shaping gradient from along the coast to the inland is one aspect of character of land use change
土地利用变化的特点是耕地、城镇建设用地、农村居民点用地增加,天然草地大量减少,土地利用类型有向单一化发展的趋势,土地利用呈现出明显的由沿海向内陆递变的梯度型变化。 - there are three difficulties in shape optimization : the first one is the relation between design variables and objective function, or between design variables and constrant function is not easy to find the simple apparent relation and the sensitivity . the second one both the structure shape describing and the shape changing control is difficult . the third one is that the mesh should be generated and changed automatically in the procession of optimizing
形状优化的难点主要有三点:一是设计变量与目标函数、约束的关系非常复杂,很难找到简单的显式关系,敏度求解困难;二是结构形状不易描述,形状变化不易控制;三是网格在优化过程中需要自动生成,而且会发生改变。