Adaptive Gridding in Two Dimensions for Optimal Accuracy and Efficiency.

Abstract

Very accurate one and two dimensional shock calculations were made using moving grids, mesh refinements, consistent derivative formation, and Riemann solvers for interaction shocks. All calculations were done explicitly with no artificial viscosity. Error free 2D shocks were propagated using a grid velocity found by a rotation into direction of the maximum gradient and subsequent translation on to a frame which appeared steady. Additional Keywords: Shock waves; Shock flow. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 19, 1985
Accession Number
ADA159943

Entities

People

  • E. J. Kansa

Organizations

  • Lawrence Livermore National Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Accuracy
  • Boundaries
  • Collisions
  • Computational Science
  • Contracts
  • Discontinuities
  • Earth Sciences
  • Fluid Dynamics
  • Interpolation
  • Mathematical Analysis
  • Military Research
  • New York
  • Physics
  • Shock Waves
  • Step Functions
  • Time Intervals
  • Two Dimensional

Readers

  • Combustion Dynamics and Shock Wave Physics.
  • Computational Fluid Dynamics (CFD)
  • Fluid Dynamics.