A Hybrid Icebreaking Resistance Model to Accommodate Damage to the Ice Sheet

Abstract

An analytical framework was constructed to interchange ice resistance components from existing ice resistance calculation methods. Within this framework, the Lindqvist analytical method bending ice resistance component was substituted with a value obtained from a finite element static model of the ice sheet. A parametric study of this substitution was performed with error correction to within 12% over the entire range of parameter variation. The finite element ice sheet model was then damaged; and then the average ice bending resistance was obtained, substituted into the Lindqvist analytical method, and quantified as a change in the total ice resistance. Therefore, a hybrid ice resistance model was developed that accounts for the effect of damage to the bending resistance component, and enables further study of unconventional icebreaking methods.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 2013
Accession Number
ADA583425

Entities

People

  • David A. Bannish

Organizations

  • Naval Postgraduate School

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Bending Stress
  • Coast Guard
  • Coordinate Systems
  • Failure Mode And Effect Analysis
  • Finite Element Analysis
  • Flexural Strength
  • Geometry
  • Glaciers
  • Ice
  • Materials
  • Modulus Of Elasticity
  • Propulsion Systems
  • Sea Ice
  • Skin Friction
  • Test Methods
  • Two Dimensional
  • Water

Readers

  • Computational Modeling and Simulation
  • Marine Hydrodynamics
  • Polar and Arctic Studies