Optimal Design of Ring Stiffened Cylindrical Shells Using Multiple Frame Sizes.

Abstract

This report describes the solution to the singly reinforced discrete stiffener problem by direct use of an optimization scheme employing mathematical programming. The optimization formulation and procedure used here admit a large number of simultaneous buckling modes thus allowing optimization under conditions of mode coalescence, which are usual in this type of problem. This is a preliminary study, the purposes of which are; to develop and evaluate methodology for the treatment of this problem, to develop preliminary insights into how multiple frame sizes may efficiently be employed in submersible structures, to examine the nature of design improvement resulting from use of multiple size frames, and to investigate the nature of such optimal designs. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1978
Accession Number
ADA058231

Entities

People

  • Jacob Moradi
  • Michael Pappas

Organizations

  • New Jersey Institute of Technology

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Algorithms
  • Buckling
  • Computer Programming
  • Computer Programs
  • Eigenvalues
  • Equations
  • Failure Mode And Effect Analysis
  • Hydrostatic Pressure
  • Materials
  • Mathematical Programming
  • New Jersey
  • New York
  • Operations Research
  • Optimization
  • Reliability
  • United States
  • United States Government

Readers

  • Adaptive Control and Estimation with Uncertainty in Dynamic Systems.
  • Structural Dynamics.