几何结构

Based on the sectional shield tunnels of metro in China, mechanical behavior of segment structure of shield tunnel under the different erection methods has been studied with geometric proportion of 1:12 through the simulated model tests of 3D 'ground-shield tunnel' in which joint effects of segments and mutual action effects between segments and ground are considered.

以我国城市地铁区间盾构隧道为对象，采用几何比 1/12、同时考虑盾构隧道管片接头效应和管片与土体相互作用效应，用三维土-盾构隧道相似模型试验对盾构隧道管片结构在不同拼装方式下的力学行为进行了研究，并将研究结果与梁-弹簧模型的理论分析结果进行了比较，得出的结论可为盾构隧道的设计提供参考。

This paper presents an approach to 2-D geometric map building and uncertainty representation under completely unknown structured environment.

本文主要研究完全未知结构化环境下的移动机器人二维几何地图构建及其不确定性描述问题。

According to the nonlinear finite element theory, the basic principle of the finite element method about geometrical nonlinearity and material nonlinearity is analyzed.

依据虚功原理和增量理论，研究了与几何非线性和材料非线性相关的有限元基本理论，并将其引入张弦梁的非线性力学分析中，建立该结构的非线性有限元分析理论和计算方法。

Firstly, the formulation of geometrical non-linear finite element is deduced for analyzing cable-membrane structure in the paper. The judgments of cable slack and membrane fold, solution and convergence of non-linear equations are given.

本文首先推导了索膜结构几何非线性分析的有限元基本方程，并且给出了判断索单元松弛和膜单元褶皱的准则、非线性有限元方程组的解法及其收敛判定。

By the geometrical nonlinear finite element method, the equilibrium path is traced using the cylindrical arc length technology and incremental Newton-Raphson method. The influence of kinds of parameters is studied.

采用非线性有限元理论，结合牛顿荷载增量法和柱面弧长法的跟踪技术，对Kiewitt型弦支穹顶结构进行了考虑几何非线性的全过程分析；为了掌握各个参数对静力稳定性的影响程度，进行了参数分析。

Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.

根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。

Based on the geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.

本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。

And the effects of the geometrical dimensions of the grating on high frequency characteristics of system were analyzed.

并针对矩形栅的两种典型结构进行数值计算，分析了金属栅的几何尺寸对系统高频特性的影响。

The structures may be rectangular posts, or more geometrically complex forms.

结构可以是矩形柱体或更复杂的几何形状。

And in the FEM both non-linear constitutive law of CFST and geometrically non-linear influence was considered, which is of practically value and veracity.

该方法考虑了结构的几何非线性和钢管混凝土组合材料的非线性本构关系，具有一定的准确性和实用价值。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。