Validation of Projectile Transient Response Models for the Study of Pressure Oscillations in Guns

Abstract

This paper presents results that provide a validated simulation approach to study the behavior of projectiles subjected to transient in-bore loadings. In this study, the PXR6353 instrumented round was modeled. The approach used features vibration studies of the components of this projectile. This includes a comparison of the vibration modes determined by finite element techniques with those modes determined using experimental modal analysis techniques. The ANSYS finite element code was used to generate the analytic model. Both impact and shaker excitation methods were used in the experimental modal analysis phase. The direct comparison between analytical and experimental data showed that the finite element model correctly captured the dominant modes of vibration of the projectile.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1993
Accession Number
ADP009062

Entities

People

  • David A. Hopkins
  • Morris Berman
  • Ting Li

Organizations

  • United States Army Research Laboratory

Tags

Communities of Interest

  • Weapons Technologies

DTIC Thesaurus Topics

  • Dynamic Response
  • Engineering
  • Equations
  • Frequency
  • Mechanical Engineering
  • Modal Analysis
  • Munitions
  • Oscillation
  • Projectiles
  • Propellants
  • Propelling Charges
  • Resonant Frequency
  • Rotating Bands
  • Solid Propellants
  • Structural Response
  • Transfer Functions
  • Transient Response Analysis

Fields of Study

  • Engineering

Readers

  • Computational Fluid Dynamics (CFD)
  • Structural Dynamics.
  • ballistics.