Title of article :
Compact finite difference schemes of sixth order for the Helmholtz equation
Author/Authors :
Sutmann، نويسنده , , Godehard، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2007
Abstract :
New compact finite difference schemes of sixth order are derived for the three dimensional Helmholtz equation, Δ u - κ 2 u = - f . Convergence characteristics and accuracy are compared and a truncation error analysis is presented for a broad range of κ -values.
Keywords :
Helmholtz equation , High order compact solvers , Combination of finite difference schemes , Padé approximation
Journal title :
Journal of Computational and Applied Mathematics
Journal title :
Journal of Computational and Applied Mathematics
