Revision e1d00078210e32e7c6be83abec96f24e1c50b5f9 authored by Karline Soetaert on 12 June 2013, 00:00:00 UTC, committed by Gabor Csardi on 12 June 2013, 00:00:00 UTC
1 parent 72984f1
Raw File
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)
}

back to top