Influence of reinforcement and elastic foundation on the vibrations of shallow shells with rectangular planform

被引：3
作者：
Lugovoi P.Z. [1 ]
Prokopenko N.Ya. [1 ]
机构：
[1] S.P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, Kyiv, 03057
来源：
International Applied Mechanics | 2011年 / 47卷 / 6期
基金：
俄罗斯基础研究基金会;
关键词：
Elastic foundation; Natural frequencies; Natural modes; Ribs; Spherical shallow shell;
D O I：
10.1007/s10778-011-0496-4
中图分类号：
学科分类号：
摘要：
A method for determining the natural frequencies and modes of ribbed shallow shells with rectangular planform on an elastic foundation is developed. The method takes into account the discrete arrangement of the ribs. A shallow spherical shell with square planform is considered as example to analyze the effect of the number of ribs and the Winkler and Pasternak coefficients of subgrade reaction on the natural frequencies and modes. It is recommended to take into account the discrete arrangement of ribs when they are few. © 2011 Springer Science+Business Media, Inc.
引用
收藏
页码：714 / 719
页数：5
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