Three-Dimensional Grid Generation Using Poisson Equations,

Abstract

A method for constructing a boundary-fitted grid system for arbitrary three-dimensional configurations is presented. The grid generation procedure is formulated through the Poisson equations. A feature of the scheme is that grid lines in the grid system are smoothly interconnected between the boundary coordinates. The control of the grid distributions in the interior of the system has been implemented by the forcing functions appearing in the Poisson equations and by the boundary coordinates. Reasonable cell sizes and shapes are obtained even for extreme boundary shapes which normally tend to cause poorly controlled grid distributions. (Author)

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1982
Accession Number
ADP000997

Entities

People

  • C. F. Shieh

Tags

DTIC Thesaurus Topics

  • Boundaries
  • Cell Size
  • Coordinate Systems
  • Demographic Cohorts
  • Differential Equations
  • Equations
  • Grids
  • Partial Differential Equations
  • Poisson Equation
  • Three Dimensional

Fields of Study

  • Mathematics
  • Physics

Readers

  • Computational Fluid Dynamics (CFD)
  • Structural Dynamics.