scholarly journals Radiation boundary conditions for the two-dimensional wave equation from a variational principle

1992 ◽  
Vol 58 (197) ◽  
pp. 73-73 ◽  
Author(s):  
Jan Broeze ◽  
Edwin F. G. van Daalen
Keyword(s):  
Wave Equation ◽  
Variational Principle ◽  
Boundary Conditions ◽  
Two Dimensional ◽  
Radiation Boundary Conditions ◽  
Radiation Boundary ◽  
Dimensional Wave

Complete Radiation Boundary Conditions for Convective Waves

2012 ◽  
Vol 11 (2) ◽  
pp. 610-628 ◽  
Author(s):  
Thomas Hagstrom ◽  
Eliane Bécache ◽  
Dan Givoli ◽  
Kurt Stein
Keyword(s):  
Boundary Condition ◽  
Wave Equation ◽  
Boundary Conditions ◽  
Radiation Boundary Condition ◽  
Linearized Euler Equations ◽  
Radiation Boundary Conditions ◽  
Local Radiation ◽  
Optimal Efficiency ◽  
Radiation Boundary ◽  
Scalar Equations

AbstractLocal approximate radiation boundary conditions of optimal efficiency for the convective wave equation and the linearized Euler equations in waveguide geometry are formulated, analyzed, and tested. The results extend and improve for the convective case the general formulation of high-order local radiation boundary condition sequences for anisotropic scalar equations developed in [4].

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