The dynamical analysis of quadrangular pyramid grid structure modality and seismic response is made by ANSYS.
利用ANSYS作出了某四角锥网架的模态及地震响应的动力分析。
Based on the finite element SAP2000 program,this paper analyses and compares the characteristics of natural vibration of square pyramid space grids under different support forms and comes to the conclusion that natural vibration period and shape of the same grid varies greatly.
利用有限元分析软件SAP2000对不同支承形式条件下的正放四角锥网架模态进行分析和比较,得出同一正放四角锥网架当采用不同的支承形式时,其自振周期和振形差异较大。
Study and application of point supported diagonal square pyramid grids;
点支承斜放四角锥网架的研究与应用
Analyzing the Characteristics of Natural Vibration of Square Pyramid Space Grids under Different Support Forms;
不同支承形式正放四角锥网架自振特性分析
Analysis of Orthogonal Pyramid Space Grid and Bottom Peripher Supporting System;
正放四角锥网架与下部支承体系整体结构空间分析研究
Free Vibration and Vertical Seismic Action Study of Pyramid Space Grid Roof Structures;
正放四角锥网架屋盖的固有振动与竖向地震作用研究
Numerical Analysis, Experimental Study and Software Development of Pre-stressed Diagonal on Square Composite Space Truss;
斜放四角锥预应力组合网架结构的数值分析、试验研究及软件开发
The Research on Cooling Tower of Latticed of Double-Layer Hyperbolic Pyramid;
双层双曲线四角锥网壳结构冷却塔的研究
The Application of “Four Centers” of a Triangle in Triangular Cone;
三角形的“四心”在三棱锥中的应用
Construction and Design of Alumium Alloy Four Angles Awl Shape Hidden Frame Glass Roof for Collecting Light
铝合金四角锥形隐框玻璃采光顶的构造与设计
Series of conical tapers and taper angles
GB/T157-1989锥度与锥角系列
Cone Spline Approximation and Refinement Scheme for Triangular Mesh;
圆锥样条逼近与三角网格曲面细分算法
Construction of Shape Grammar for Quadrihedron System Space Grid Structures
三角锥体系网格结构的形状语法规则的建立
a light conical tent erected on a tripod with ventilation at the top.
用三角架支撑的顶部有一个通风口的很轻便的圆锥形帐篷。
increment angle
(圆锥齿轮)齿端角
A structure or part suggestive of a pyramid in shape.
角锥性器官形状象角锥的结构和部分
"and make a network of brass, with four brass rings at its four angles."
要为坛作一个铜网，在网的四角上作四个铜环，
The damping effect analysis of Space Truss
四点支撑网架的黏滞阻尼器减震分析
All sensilla, except sensilla basiconica, occur on the reticulated area of the antennae.
除锥形感器外,所有的感器都分布在触角鞭节的网纹区上。
Regional ecological planning and ecological network construction: A case study of "Ji Triangle" Region
“吉三角”区域生态规划与生态网架建设
And there were four undersetters to the four corners of one base： and the undersetters were of the very base itself.
每座四角上都有盆架，是与座一同铸成的。