三棱柱

采用Visualc++的面向对象语言编程方法设计了一个关于地下结构虚拟开挖的计算分析软件，软件采用基于三棱柱的数据模型，探讨了三棱柱切割的方式。

Visual C + + programs have been designed to describe the virtual excavation of the subterranean structures using object-oriented language . Date models basing on triangular prism were adopted in programs . Incising of triangular prism was investigated .

某类三角和的估计三棱柱实体板单元

Estimates for a Class of Trigonometric Sums Degenerated triangular prism plate element

本文对三维GIS及地学领域的空间构模进行了研究，提出了一种三维地学空间构模方法&似三棱柱（STP）法。

This paper presents a new 3-D geo-spatial modeling method , named as Similar Tri-Prism ( STP ) .

详细分析了目前的3D空间构模方法，将其归纳为面模型、体模型和面体混合模型，比较了各种建模方法的优劣，最终选定三棱柱进行构模。

Later , this article detailed analyzes the 3D spatial modeling methods at present and sums up as surface modeling , body modeling and blend modeling . By way of comparing all kinds of modeling arithmetic , we choose the tri-prism modeling .

提出一种基于多层DEM与似三棱柱体元（QTPV）的混合三维数据模型。

A hybrid 3D spatial data model based on multi-DEMs and quasi tri-prism volume ( QTPV ) is proposed .

研究表明，基于多层DEM与似三棱柱体元的混合三维数据模型具有同时表达空间对象的表面和内部结构的能力，适合地质勘探领域的三维建模。

The results show that the proposed model has better abilities of describing the surface and the inner structure of spatial objects , which is suitable for 3D modeling in geological exploration field . Three .

用三棱柱/四面体组成的混合网格求解三维Navier-Stokes方程，在物面附近采用三棱柱网格，而其他地方则采用四面体网格。

A hybrid grid is applied for the solution of 3D layer Navier-Stokes equation . The prismatic grid is generated near the wall , and the tetrahedron grid is generated in the other field .

该文从空间拓扑概念出发，分析了基于广义三棱柱（GTP）模型建立空间实体间拓扑关系时的不足。

Based on the concept of spatial topology , this paper analyzes the shortcomings of generalized tri-prism ( GTP ) model in establishing spatial topological relationship and in 3D planar clipping on GTP component .

为了解决基于广义三棱柱（GTP）的三维地层模型自动建模问题，提出了一种三维地层构造知识推理规则和建模方法。

In order to solve the 3D automatic modeling problem of strata based on Generalized Tri-prism ( GTP ), a kind of 3D stratum structure knowledge inference rule and modeling method is put forward .

结合晶体生长理论分析认为：TiB2的生长单元为一个硼原子和六个钛原子组成的三棱柱，硼原子位于三棱柱的中心，生长方式以台阶式生长为主。

Based on the crystal growth theory , it was considered that the growth element of the primary TiB 2 is the trigonal prism of six Ti atoms with one B atom at the center , and the primary TiB 2 grows mainly in a step growth method .

一种基于三棱柱体体元的三维地层建模方法及应用

An Approach of 3D Stratum Modeling Based on Tri-Prism Volume Elements

基于似三棱柱体体元的三维地质体漫游技术

The Walkthrough Technology of 3D Stratum Based on similar triangular prism

基于三棱柱的地质体三维交互应用研究

Study of 3D interactive application of Geo-spatial modeling based of tri-prism

一种基于三棱柱的三维地质体可视化方法研究

Study into Visualization of 3D Stratum Based on Triangular Prism

基于广义三棱柱体元的三维地层建模方法

3D stratum modeling method based on generalized tri-prism volume element

三棱柱断面三角形及其作图

Triangle of the Fracture Surface of Triangular Prism and Its Geometric Construction

基于三棱柱单元地层与桩基的可视化研究

Research of visualization of strata and Pile Foundations Based on triangular prism

关于6-15变节点三棱柱等参数单元

On 6 to 15 variable-number-nodes triangular prismatical isoparametric elements

一种基于似三棱柱的三维地学空间建模及应用

Building and Applications of a 3-D Geo-spatial Data Model Based on Similar Tri-Prism

三维地层的三棱柱剖分与土方计算

Research on incision of triangular prisms in 3D-stratum and calculation of excavated earth volume

基于似三棱柱的三维地学空间构模技术研究

Research on 3D Geologic Modeling Based on STP

三棱柱实体板单元

Three . Degenerated triangular prism plate element

建立了一种新的三棱柱配位结构伸缩变形和扭曲变形的计算方法。

A new calculating method has been proposed for the elongation and twist of trigonal prism .

并从能量砖块互补原理的角度出发，分解常规三棱柱型张拉整体单元，然后重新组合得出了新的张拉整体结构。

Based on the decomposition of regular tensegrity element , a new element combination method is got .

基于数值流形方法的思想，提出了6节点三棱柱流形元。

This 6 - node triangular prism manifold element ( TPME ) was based on numerical manifold method .

文中叙述了三棱柱体的单元表达式和边界条件的处理：手法。

The finite element represen - tation of triangular prism and the treatment of boundary conditions ave described .

采用规则网格三棱柱模型，开发了三维地层可视化系统。

By using tri-prism on regular grid , 3D stratum visualization system is developed by Microsoft Visual Studio .

本文通过对多种数据模型进行比较分析后采用广义三棱柱进行三维建模，并对模型的可视化方法进行了研究。

This thesis adopts GTP modeling by comparing several data models , and researches the method of 3D visualization .

三棱柱也有三个异构体，而对于这个分子式，仅有两种八面体排布。

The trigonal prism yields three isomers also , but there are only two octahedral arrangements for this formulation .

用棱柱体及斜截三棱柱体体积公式计算填挖方量。

The volume of excavation and filling may be calculated by prismoidal formula and formula for truncated triangular prism .