Modeling of the UH-1B Tail Boom for Analysis by the NASTRAN Computer Program

Abstract

A representative tail boom of the UH-1B helicopter is modeled for dynamic structural analysis by the NASTRAN computer program. The finite-element model employs beam and plate elements to construct the structural model, which will subsequently be used to study the effects of simulated nuclear detonations, subjecting the model to blast overpressure exposure with and without thermal effects. The lower mode shapes and frequencies of the structural model are generated and presented as a validation check.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1978
Accession Number
ADA052303

Entities

People

  • Raffi P. Yeghiayan

Tags

Communities of Interest

  • Air Platforms
  • Counter WMD

DTIC Thesaurus Topics

  • Acquisition
  • Aluminum Alloys
  • Bulkheads
  • Computer Programs
  • Computers
  • Contracts
  • Data Acquisition
  • Frequency
  • Grids
  • Helicopters
  • Materials
  • Modal Analysis
  • Modulus Of Elasticity
  • Resonant Frequency
  • Rotary Wing Aircraft
  • Sheet Metal
  • Structural Components

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Structural Dynamics.
  • Structural Health Monitoring of Composite Structures.