查询词典 geometrical element

This paper presents a 3D complex geological entity modeling method based on line-frame model, designed to accurately express the spatial geometrical shape of every element of a complex geological entity and their mutual relationship.

提出了一种基于线框架模型的复杂地质体三维建模方法，在准确表达复杂地质体各要素空间几何形态与相互关系的基础上，实现地层交错情况下断层面、地层面模型及复杂地质体模型的准确快速构建。

Using the base line forces as fundamental variables, the complementary energy of an element with geometrical nonlinearity is constructed, which contains both deformation part and rotation part.

以基线力为状态变量，构造几何非线性问题单元的余能，该余能包括变形部分和转动部分。

Numerical stimulation analysis for stability of pile stickup with geometrical nonlinear 3 D finite element method in pile foundations of ocean platforms is performed .

结合海洋工程的设计实例，借助三维非线性有限元分析方法，考虑桩身变形的几何非线性特性，研究了桩身倾斜度，支撑情况以及水平荷载等因素对桩身自由站立稳定性的影响规律，并将线性分析方法和非线性分析方法得到的结果进行了比较。

The paper presents how to use the technique of OLE and ARX of AutoCAD to build the geometrical model, the finite element model of the given structure visually and use the template and wizard to build the optimization model of it. During the iterative process of the optimization, the method of tracing visualization and interactive control is also provided. Some examples are given to show the appliance of visualization aided structural optimization. Finally, the work of systematic integration is carried out.

同时论述了在优化建模中运用OLE ARX技术实现可视化地建立优化对象的几何模型，结构有限元模型，以及使用模板和专家向导来辅助建立优化模型；在优化迭代过程中实现了跟踪可视和交互式监控，以具体的例子说明了在可视化技术辅助下的结构优化在工程中的应用。

The theory of geometrical non-linear finite element method is researched, which includes equilibrium equation, Lagrange formulation, assembled equations and tangent stiflhess matrix.

中文摘要：本文从大变形的基本理论出发，对几何非线性有限单元法的平衡方程、Lagrange格式、求解方程以及切线刚度矩阵进行了研究。

The way of building finite element modeling and the geometrical similarity of model are also discussed in the paper.

文中还讨论了有限元建模的方式与建模的几何相似性。

A ruled surface of revolution formed by an edged circle as the guide element is proposed in the category of basic geometrical bodies.

摘要在基本几何体的范畴内，提出一种以棱圆为导元素的直纹曲面。

Based on f the stability computation theory of structures are elaborated in brevity and in consideration of material elasticity and geometrical nonlinearity, the 3-D model of finite element in studying on in-plane elastic ultimate load-carrying capacity of 工-section arches with holes in soffit is built by ANSYS software.

本文在简要阐述结构稳定计算理论的基础上，利用ANSYS计算软件，在弹性材料、几何大变形条件下建立了研究腹板开洞工形截面钢拱平面内弹性极限承载力的有限元三维模型，并把极限承载力的各种影响因子设为变量，形成了整个计算过程的MAC文件。

Based on the CT scan and the image process technology, a modularized geometrical and finite element model of the human skull was built to simulate various defect patterns of the maxillary and design the position, direction, length of the zygoma fixture, and the number of the conventional fixtures.

基于CT扫描和图像及图形处理技术，建立标准人的模块化颅骨三维几何和有限元力学模型。

Liu JunHua;Huang ShuGong;Liu JiDongA tri-dimensional model for a jeffcot rotor was reported. A new motion equation of the torsional vibration with natural retation and the conception frequency was presented. The natural frequencies of disk rotors with different geometrical structures and were computed based on the finite-element method, and the factors affecting the coefficient of the natural frequency with rotation were analyzed.

在转轴以一定速度旋转的条件下，推导了考虑转动频率情况下的单质量盘转子扭振运动方程，通过有限元方法对不同几何结构的单质量盘转子在不同转动频率下的扭振固有频率进行了计算，对影响单质量盘转子扭振动频的动频系数进行了分析。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48