Revision 9100f830886add1b0881d43e25f1e88da3fdf95f authored by Karline Soetaert on 15 March 2011, 00:00:00 UTC, committed by Gabor Csardi on 15 March 2011, 00:00:00 UTC
1 parent e114557
fiadeiro.R
##==============================================================================
## The Fiadeiro and Veronis scheme: advective finite difference weights (AFDW)
##==============================================================================
fiadeiro <- function(v, D, dx.aux=NULL, grid=list(dx.aux=dx.aux)) {
Pe <- abs(v)*grid$dx.aux/D
sigma <- (1+(1/tanh(Pe)-1/Pe))/2
return(sigma)
}
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