DASHER I: A PROGRAM FOR THE DYNAMIC ANALYSIS OF SHELLS OF REVOLUTION,
Abstract
This report presents an analysis and a computer program which permits determining the transient deformation of an undamped system which contains both inertial and elastic coupling by a timewise step-by-step computational process. The program is developed for the purpose of Dynamic Analysis of Shells of Revolution (DASHER). The input to the program consists of the stiffness and consistent-mass matrices which are derived from a finite-element representation of the structure. Three examples are presented to illustrate the application of this program. One of these concerns the dynamic deformations of a simply-supported beam subjected to a uniform step-function loading; the second concerns the dynamic deformations of a circular cylindrical shell under a uniformly distributed external pressure having a half-sine shape time history; and the third is similar to the second except that the axisymmetric pressure loading on the cylinder has a sin (Pi z)/L longitudinal distribution. Guidance for the selection of an appropriate time interval for this type of step-by-step calculation is provided. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1965
- Accession Number
- AD0626412
Entities
People
- Evelyn Mack
- Joseph A. Wolf Jr.
Organizations
- Massachusetts Institute of Technology