Magazine Article

Preconditioning the Helmholtz Equation for a 2-D Duct

TBMG-6791

03/01/2000

Abstract
Content

A preconditioning technique has been developed for numerical solution of the Helmholtz equation as applied to the steady-state propagation of sound in a semi-infinite, two-dimensional (2-D) rigid duct. As explained below, the technique involves the use of two pseudo-time parameters in a finite-difference approximation of the equation that describes the propagation of sound. The use of these parameters makes the solution proceed much faster than in older transient- and steady-state-analysis-based numerical solution methods.

Meta TagsDetails
Citation
"Preconditioning the Helmholtz Equation for a 2-D Duct," Mobility Engineering, March 1, 2000.
Additional Details
Publisher
Published
Mar 1, 2000
Product Code
TBMG-6791
Content Type
Magazine Article
Language
English