The Effect of Wall Motions on the Governing Equations of Contained Fluids-Reference-Cited by-同舟云学术

The Effect of Wall Motions on the Governing Equations of Contained Fluids

Published:1990-09-01 Issue:3 Volume:57 Page:783-785
ISSN:0021-8936
Container-title:Journal of Applied Mechanics
language:en
Short-container-title:

Author:

Ohayon Roger¹,Felippa Carlos A.²

Affiliation:

1. Office National D’E´tudes et de Recherches Ae´rospatiales, BP 72, 92322 Chalillon, France

2. Department of Aerospace Engineering Sciences and Center for Space Structures and Controls, University of Colorado, Boulder, CO 80309-0429

Abstract

The equations of motion for an acoustic fluid enclosed in a moving or flexible container are studied. It is shown that the determination of the reference state must account for the surface-integrated effect of the wall motions. The governing equation of transient motions about this state in the displacement potential does not generally reduce to the classical wave equation unless special adjustments are made. The results are relevant to finite elements formulations based on the displacement potential.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Link

http://asmedigitalcollection.asme.org/appliedmechanics/article-pdf/57/3/783/5461487/783_1.pdf

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