椭圆抛物面

结合CAMI的教学，利用几何画板制作了椭圆抛物面和双曲抛物面的课件，实现了计算机辅助数学教学。

This paper introduces the making of the courseware of elliptic paraboloid and " hyperbolic paraboloid " by geometric sketchpad and combining the teaching of CAMI so as to realize computer - assisted maths teaching .

椭圆抛物面扁壳某些应力集中问题

Some problems of stress concentration in shallow shells of elliptic paraboloid

高矢跨比椭圆抛物面弦支穹顶风振系数研究

Wind-induced vibration coefficient for elliptic paraboloid suspension-dome of large rise-span ratio

平面与椭球面、椭圆抛物面的交线

Construction of the Curve That a Plane Intersects an Ellipsoid or Elliptic-paraboloid

常州市体育馆椭圆抛物面弦支穹顶稳定性研究

Stability research on elliptic paraboloid suspen-dome of Changzhou Municipal Gymnasium

表面变形计算的椭圆抛物面法

Elliptic - Paraboloid Method for Calculating Surface Elastic Deformation

三向型单层椭圆抛物面网壳的自振特性分析

The self-vibration characteristics analysis of three way single layer elliptic paraboloid web shells

关于椭圆抛物面圆形截线的研究

The Study on Circular Transversal of Elliptic Paraboloid

本文用椭圆抛物面作为混凝土三向应力时的强度破坏面。

An elliptic paraboloid is proposed as the failure surface for concrete under multiaxial Stresses .

用圆弧插补功能加工椭圆抛物面

Machining ellipse - parabola using circular interpolation

本文用椭圆抛物面作为复杂应力状态下材料强度的破坏面。

A proposed elliptic paraboloid is used as a failure surface of materials under multiaxial stresses .

推出椭圆抛物面的几条性质，得到一些新的结果。

In this paper , some new conclusions about the properties of elliptic paraboloid are introduced .

结果表明：浸润面为一椭圆抛物面，所得结论与实验结果相符。

The result shows that the infiltrated surface is an elliptic-parabolic one , and the conclusion accords with the results of experiment .

在对基本静力性能分析的基础上，还采用非线性有限元法，对圆形底面椭圆抛物面索撑网壳的静力稳定性进行了系统研究。

Based on the static mechanical behaviors , nonlinear finite element method is chosen to investigate the static stability behaviors of the paraboloid mentioned above .

单层椭圆抛物面网壳自振特性分析及实用公式高矢跨比椭圆抛物面弦支穹顶风振系数研究

STUDY ON THE DYNAMIC CHARACTERISTICS AND THE FUNDAMENTAL FREQUENCY PRACTICAL FORMULA FOR SINGLE-LAYER ELLIPTICAL PARABOLIC LATTICED SHELL Wind-induced vibration coefficient for elliptic paraboloid suspension-dome of large rise-span ratio

本文根据已论证过的混凝土破坏面，即椭圆抛物面的数学模型，报导出一个用以计算混凝土纯剪强度的简单公式。

A simple formula for calculating pure shear strength of concrete is derived on the basis of the verified mathematical model of concrete failure surface , the elliptic paraboloid .

主应力形式强度准则在应力空间给出一个椭圆型二次曲面如：椭球面、椭圆抛物面、回转抛物面、椭圆柱面或圆柱面等。

A geometric explanation to the strength criterion is obtained when the strength criterion is expressed in a principl stress form , which is an ellipsoid , such as elliptic , paraboloid , revolutionary paraboloid , elliptic cylinder or cylinder etc.

基于弹性薄壳的非线性理论，发现椭圆抛物面扁壳，其荷载-挠度曲线的上临界荷载将随时间而降低，而下临界荷载则随时间而上升。

Based on the non-linear theory of thin elastic shells , it is found that for those of the elliptical paraboloidal type , the upper critical load of the load-deflection curve will decrease while the lower limit will increase with time .

研究结果表明：两种隔震装置均能有效地控制了椭圆抛物面网壳结构的支座反力和结点位移，粘弹阻尼支座还能明显地减少了隔震支座的水平位移和隔震结构的水平位移。

The results have indicated that two kinds of the isolation devices can control the reactions of single layer elliptical parabolic latticed shell effectively . Damped spring supports can also reduce the displacements of the isolated supports and the displacements of the isolated shell significantly .

用所开发的系统对单层球面网壳、圆柱面网壳和椭圆抛物面网壳以及双层柱面网壳进行了大变形稳定性计算，说明了所开发系统的可应用性。

Then the single layer spherical , cylindrical , elliptic paraboloidal reticulated shell and double layer cylindrical reticulated shell are calculated on the large deformation stability respectively , which show the application of the development system on the large deformation stability analysis of space bar structures .

三层结构椭圆切割抛物面天线的材料选择

Material Selection of Three Layers Structure Ellipse Cutting Parabola Antenna

椭圆双曲抛物面索&拱体系与索网结构静力性能的比较分析

Analytical comparison of static behaviors between elliptic paraboloid cable - arch systems and cable networks

椭圆双曲抛物面碳纤维索网非线性固有振动用椭圆型、抛物型两种方法计算平面叶栅湍流尾迹

Nonlinear vibration of elliptic hyperbolic net using carbon fiber reinforced polymer CALCULATION OF TURBULENT WAKE OF CASCADES WITH ELLIPTICAL AND PARABOLICAL METHODS

椭圆平面双曲抛物面索网结构的静力性能

The Fundamental Properties of Suspended Cable Net of H.P. Type with Elliptical Plane