DEFLECTIONS AND STRESSES OF HEATED TRUSS TYPE STRUCTURES BY A DIRECT STIFFNESS METHOD
Abstract
The testing and stress analysis of pin-jointed truss type structures subjected to aerodynamic heating and loading are considered. Force-de lection relationships and corresponding member stresses were found by use of a direct stiffness method. Geometrical non-linearities and the varition with temperature of the modulus of elastic and the coefficient of linear epansion were accounted for. Solutions obtained on a digital computer show little effect of geometric non-linearities on displacements. There is a more pronounced effect on member stresses but this was also small for the trusses examined. This method is a valuable tool for stress analysis and the force-deflection relationships obtained may be used to indicate incipient failure of a structure during testing. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 01, 1961
- Accession Number
- AD0269422
Entities
People
- Ronald Joseph Meyette
Organizations
- Air Force Institute of Technology