Density of Axisymmetric Models of Closed In-Vacuo Prolate Spheroidal Shells
Abstract
The objective is to develop simple expressions for the modal density of prolate spheroidal shells applicable at frequencies above where modal overlap renders the need to identify locations of individual modes unnecessary. The effort presented here is limited to axisymmetric modes which present the greatest challenge. Axisymmetric modes involve the zeroth-order circumferential modal response where the effects of curvature are strongest because of the ring in-plane stresses. Non-axisymmetric mods will be influenced less by curvature which should simplify the development of simple expressions for modal density. Thus, if we can obtain good estimates of the modal density for higher-order axisymmetric modes, it is likely that we can also obtain good estimates for modal densities for all higher-order modes for a closed prolate spheroidal shell.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 22, 2002
- Accession Number
- ADA398740
Entities
People
- Courtney B. Burroughs
Organizations
- Pennsylvania State University