Flexural Vibration of Shallow Orthotropic Spherical Shells
作者:
W. H. Hoppmann,
C. E. Miller,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1962)
卷期:
Volume 34,
issue 8
页码: 1067-1072
ISSN:0001-4966
年代: 1962
DOI:10.1121/1.1918246
出版商: Acoustical Society of America
数据来源: AIP
摘要:
The paper presents a theoretical development of the equations of motion for the flexural vibrations of a shallow spherical shell of orthotropic material. For symmetrical vibrations, the motion is described by two ordinary sixth‐order differential equations with variable coefficients. Factorization of the sixth‐order operators into second‐order operators is discussed and the details of solution are worked out for the case in which the equations are reduced to those for the isotropic shell. It is shown that equations for the latter case agree exactly with those derived previously by Reissner. A table of calculated frequencies is given along with some experimental results for steel shells.
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