Masters Theses

Abstract

"In this work the behavior of a system of thin, circular clamped plates with liquid-filled interspace in a variable pressure environment was investigated. Six plates separated by liquid-filled chambers were arranged in alternate layers in a clamping device and a pressure was applied on one side of the six plate system. The deformation of each plate and the pressure distribution from the high pressure to low i i pressure side was measured. The plate deformation was measured by a strain gage attached at the apex of each plate and the chamber pressure by a strain gage pressure transducer.

The results of this investigation indicated that the liquid pressure in the interspace varied linearly with increasing external pressure both in elastic and plastic regimes of plate deformation. Also, the pressure differential across each plate remained the same for each external pressure. Therefore, a system of thin plates can be used in the high-pressure environment by distributing the high-pressure differential equally among the plates of the system.

The magnitude of strains in the radial direction were found to be higher in the vicinity of the clamped edge because the bending strains added in a positive sense to the membrane strains. In the early stages of deformation the negative bending strains near the clamped edge dominated the membrane strains, however, the membrane strains became dominate as the external pressure was increased.

For an added degree of confidence in the investigation, a finite element method was used to analyze a single plate of the system. The choice of elements influenced the results drastically; however, the calculated strain was scattered around the experimentally measured strains"-- Abstract, pp. ii-iii

Advisor(s)

Avula, Xavier J. R.

Committee Member(s)

Oglesby, David B.
Andrews, William A., 1922-2009

Department(s)

Mechanical and Aerospace Engineering

Degree Name

M.S. in Engineering Mechanics

Publisher

University of Missouri--Rolla

Publication Date

1974

Pagination

vi, 52 pages

Note about bibliography

Includes bibliographical references (page 43)

Rights

© 1974 Archie Forrest Gatrost, All rights reserved.

Document Type

Thesis - Open Access

File Type

text

Language

English

Thesis Number

T 3083

Print OCLC #

6019039

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