NDLI: Panel methods: an introduction

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Panel methods: an introduction

Content Provider	NASA Technical Reports Server (NTRS)
Author	Erickson, Larry L.
Copyright Year	1990
Description	Panel methods are numerical schemes for solving (the Prandtl-Glauert equation) for linear, inviscid, irrotational flow about aircraft flying at subsonic or supersonic speeds. The tools at the panel-method user's disposal are (1) surface panels of source-doublet-vorticity distributions that can represent nearly arbitrary geometry, and (2) extremely versatile boundary condition capabilities that can frequently be used for creative modeling. Panel-method capabilities and limitations, basic concepts common to all panel-method codes, different choices that were made in the implementation of these concepts into working computer programs, and various modeling techniques involving boundary conditions, jump properties, and trailing wakes are discussed. An approach for extending the method to nonlinear transonic flow is also presented. Three appendices supplement the main test. In appendix 1, additional detail is provided on how the basic concepts are implemented into a specific computer program (PANAIR). In appendix 2, it is shown how to evaluate analytically the fundamental surface integral that arises in the expressions for influence-coefficients, and evaluate its jump property. In appendix 3, a simple example is used to illustrate the so-called finite part of the improper integrals.
File Size	3176423
Page Count	68
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19910009745
Archival Resource Key	ark:/13960/t9p31sk9c
Language	English
Publisher Date	1990-12-01
Access Restriction	Open
Subject Keyword	Aerodynamics Transonic Flow Subsonic Speed Panel Method Fluid Dynamics Supersonic Speed Integrals Wakes Inviscid Flow Nonlinearity Boundary Conditions Computer Programs Potential Flow Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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