Impact on a Steel Sonar Dome

Abstract

A representative case of damage to a steel sonar dome has been investigated by means of a finite element analysis. Since the impacting object which caused the damage is unknown, several assumptions with respect to this object had to be made: (1) shape, (2) size, (3) velocity, and (4) direction of impact. The main objective of this analysis is to estimate the contact force during impact and the deformation energy, which has been absorbed by the steel dome. The results can be useful in the design of future composite dome.

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Document Details

Document Type
Technical Report
Publication Date
Mar 20, 1998
Accession Number
ADA349011

Entities

People

  • J. J. Uwland
  • R. H. Fey

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Classification
  • Composite Materials
  • Construction
  • Displacement
  • Energy
  • Engineering
  • Finite Element Analysis
  • Geometry
  • Kinetic Energy
  • Materials
  • Mechanical Engineering
  • Modulus Of Elasticity
  • Netherlands
  • Sonar Domes
  • Stiffness
  • Stresses

Fields of Study

  • Engineering

Readers

  • Acoustical Oceanography.
  • Metallurgy
  • Structural Health Monitoring of Composite Structures.