Coupling of X-Ray Deposition to Structural Response
Abstract
The need for a reliable and efficient method to predict the structural response of target structures to x-ray loading prompted the coupling of the x-ray deposition program, RIP, to the structural response program, PETROS 3. The RIP program predicts that material on the front face will blow-off as liquid-solid, liquid and vapor, thus delivering an impulsive load. Simultaneously a stress wave is transmitted through the residual solid material causing spallation on the back face. The RIP program was modified to provide specific output characteristics of the residual solid material namely: thickness, mean transverse velocity, and through-thickness distribution of temperature and tangential stresses which remain after the transverse elastoplastic stress waves have dissipated. The BRL version of PETROS 3 program was then modified to accept these data as initial conditions. A structural response test case was treated using both undegraded and degraded material properties, the solutions of which show a large disparity in output results.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1977
- Accession Number
- ADA042667
Entities
People
- Henry L. Wisniewski
Organizations
- Ballistic Research Laboratory