The research of hyperbolic paraboloid and plane pencil s sectional locus;
双曲抛物面与平面束截迹的研究
Taking the initial imperfection into account,the finite element model of joints stiffness is presented using finite element program,Ansys and then a numerical analysis is performed on the influence of joint stiffness on the stability of hyperbolic paraboloid reticulated shells through the geometrically nonlinear finite element method.
节点刚度是影响网壳稳定性的重要因素之一,为理解其影响规律,应用Ansys的M atrix27单元建立节点刚度单元模型,并考虑初始缺陷的影响,运用非线性有限元全过程分析方法,研究了节点刚度变化对不同缺陷双曲抛物面鞍型网壳稳定性的影响。
The static and dynamic character analysis of single layer hyperbola parabolic plane shell;
单层双曲抛物面壳的静动力特性分析
Based on a practical engineering and regarded the hyperbolic parabolic reticulated shell in China University of Petroleum as research object, the static characters and the static stability of the reticulated shell are analyzed by ANSYS in this paper.
本论文以实际工程为背景,以中国石油大学(华东)体育馆主馆屋盖双曲抛物面网壳结构为研究对象,采用大型通用有限元分析软件ANSYS对该网壳结构进行静力性能、静力稳定性能分析,并阐述了该网壳结构模型试验的过程,将试验结果与有限元理论分析结果进行比较分析。
Projectivity of Hyperboloids of One or Two Sheets;
双曲抛物面与单叶双曲面的射影性质
The authors show that the hyperboloid of one sheet and the hyperbolic paraboloid are ruled surfaces.
作者证实：单叶双曲面和双曲抛物面是直线曲面。
GRAPHICAL METHOD OF HYPERBOLIC PARABOLOID AND ITS MAT HEMATICAL MODEL
双曲抛物面的特征、画法与数学建模
Testing Study on the Roof Structure of a One-layer Shell of the Hyperboloic Paraboloid
双曲抛物面单层网壳屋盖结构试验研究
Study of Hypar Cable-Arch Mixed SYstem
双曲抛物面正交索—拱悬挂混合体系性能的研究
A Study on the Performance of Hyperbolic Paraboloid Cable-shell Structure
双曲抛物面悬挂薄壳结构工作性能的研究
Research on Static Characters and Model Test of Hyperbolic Parabolic Reticulated Shell
双曲抛物面网壳结构静力性能研究与模型试验
Cone Shape and the Hyperbolic Paraboloid Shape Coefficient of Membrane Structure
圆锥形及双曲抛物面形膜结构体型系数研究
Nonlinear vibration of elliptic hyperbolic net using carbon fiber reinforced polymer
椭圆双曲抛物面碳纤维索网非线性固有振动
Study on Nonlinear Stability of Double-deck Cylindrical and Double-deck Hyperbolic Parabolic Reticulated Shells;
双层柱面和双曲抛物面网壳结构的非线性稳定性研究
Research on Mechanical Behavior and Strengthening Method of Existing Double Hyperbolic Paraboloid Shell Structures;
在役双层双曲抛物面网壳结构受力分析及加固研究
Elasto-plastic stability of single-layer elliptic paraboloidal reticulated shells
单层双曲椭圆抛物面网壳弹塑性稳定性能
Global Existence of Solutions to a Hyperbolic-Parabolic System;
一个双曲—抛物系统的解的整体存在性
Representation of Paraboloid by Cubic Triangular Wang-Ball Surface
三次三角Wang-Ball曲面表示抛物面
A Convenient Method of Line-centre Surface Face-centre Surface and Pardbolic Gylinder Equation;
两种曲面和抛物柱面方程的化简方法
a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror.
具有抛物面主镜和双曲面次镜的一种折射式望远镜；光线被集中到主镜中心的孔径。
The Large Time Behavior of Solutions for Hyperbolic and Hyperbolic-parabolic Systems;
双曲方程组与双曲—抛物方程组解的大时间状态估计
An Algebraic Condition for the Positional Relationship of an Ellipse and a Parabola (Hyperbola)
椭圆与抛物线及双曲线位置关系的代数条件