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1)  paraboloid hyperholoid mirror
抛物面双曲面镜
2)  hyperbolic paraboloid
双曲抛物面
1.
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
2.
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。
3)  hyperbola parabolic plane shell
双曲抛物面壳
1.
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
4)  hyperbolic parabolic reticulated shell
双曲抛物面网壳
1.
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。
5)  hyperbolic paraboloid cable network
双曲抛物面索网
6)  hyperbolic paraboloid shells
双曲抛物面扭壳
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