A New Finite Element Supersonic Kernel Function Method in Lifting Surface Theory. Volume I

Abstract

A new computational method based on the finite element approximation is applied to the kernel function formulation of the supersonic planar lifting surface theory. The method allows a linear variation in the lift distribution in each element, and can be applied to arbitrary planform. The integral equation is solved successively by collocation at the nodal points, without any matrix inversion. The starting solution and edge conditions are either prescribed or determined from the two-dimensional linearized theory. A computer program based on the present method was demonstrated on the AGARD planforms in supersonic flow. Results in the form of generalized force coefficients are tabulated and discussed.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1976
Accession Number
ADB011996

Entities

People

  • M. R. Brashears
  • V. Y. C. Young

Organizations

  • Lockheed Martin Missiles and Space

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Materials and Manufacturing Processes
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Computational Fluid Dynamics
  • Computational Science
  • Computer Programs
  • Differential Equations
  • Equations
  • Fluid Dynamics
  • Integral Equations
  • Kernel Functions
  • Leading Edges
  • Lifting Surfaces
  • Mach Number
  • Pressure Distribution
  • Supersonic Flow
  • Test And Evaluation
  • Three Dimensional
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Approximation Theory.
  • Structural Dynamics.

Technology Areas

  • Hypersonics