Changeset 878 for trunk/LMDZ.GENERIC/libf/phystd/interpolateN2N2.F90

Timestamp:

Feb 12, 2013, 12:26:32 PM (12 years ago)

Author:

jleconte

Message:

12/02/2013 == JL

• Follows previous commit by Aymeric about bilinear interpolations:
  • Extended to all existing continua
  • generalized bilinearbig to work for various size inputs
• because N2 and H2O continua databases are smaller, improvement around 15% for

an earth case.

File:

• trunk/LMDZ.GENERIC/libf/phystd/interpolateN2N2.F90 (modified) (3 diffs)

trunk/LMDZ.GENERIC/libf/phystd/interpolateN2N2.F90

@@ -1 @@
-subroutine interpolateN2N2(wn,temp,pres,abcoef,firstcall)
+subroutine interpolateN2N2(wn,temp,pres,abcoef,firstcall,ind)
 
   !==================================================================
@@ -21 +21 @@
   double precision temp               ! temperature            (Kelvin)
   double precision pres               ! pressure               (Pascals)
+  integer :: ind
 
   ! output
@@ -104 +105 @@
      print*,'   pressure ',pres,' Pa'
 
-     call bilinearN2N2(wn_arr,temp_arr,abs_arr,wn,temp,abcoef)
+  endif
+     call bilinearbig(nS,nT,wn_arr,temp_arr,abs_arr,wn,temp,abcoef,ind)
 
-     print*,'the absorption is ',abcoef,' cm^5 molecule^-2'
-     print*,'or ',abcoef*losch**2,' cm^-1 amagat^-2'
+!     print*,'the absorption is ',abcoef,' cm^5 molecule^-2'
+!     print*,'or ',abcoef*losch**2,' cm^-1 amagat^-2'
 
      abcoef=abcoef*losch**2*100.0*amagat**2 ! convert to m^-1
+!     abcoef=0.
 
-     print*,'We have ',amagat,' amagats of N2'
-     print*,'So the absorption is ',abcoef,' m^-1'
+!     print*,'We have ',amagat,' amagats of N2'
+!     print*,'So the absorption is ',abcoef,' m^-1'
 
-  else
+!     unlike for Rayleigh scattering, we do not currently weight by the BB function
+!     however our bands are normally thin, so this is no big deal.
 
-     call bilinearN2N2(wn_arr,temp_arr,abs_arr,wn,temp,abcoef)
-     abcoef=abcoef*losch**2*100.0*amagat**2 ! convert to m^-1
-
-     ! unlike for Rayleigh scattering, we do not currently weight by the BB function
-     ! however our bands are normally thin, so this is no big deal.
-
-  endif
 
   return
 end subroutine interpolateN2N2
 
-
-!-------------------------------------------------------------------------
-      subroutine bilinearN2N2(x_arr,y_arr,f2d_arr,x_in,y_in,f)
-
-      implicit none
-
-      integer nX,nY,i,j,a,b
-      parameter(nX=582)
-      parameter(nY=10)
-
-      real*8 x_in,y_in,x,y,x1,x2,y1,y2
-      real*8 f,f11,f12,f21,f22,fA,fB
-      real*8 x_arr(nX)
-      real*8 y_arr(nY)
-      real*8 f2d_arr(nX,nY)
-      
-      integer strlen
-      character*100 label
-      label='subroutine bilinear'
-
-      x=x_in
-      y=y_in
-
-!     1st check we're within the wavenumber range
-      if ((x.lt.x_arr(2)).or.(x.gt.x_arr(nX-2))) then
-         f=0.0D+0
-         return
-      else
-         
-!     in the x (wavenumber) direction 1st
-         i=1
- 10      if (i.lt.(nX+1)) then
-            if (x_arr(i).gt.x) then
-               x1=x_arr(i-1)
-               x2=x_arr(i)
-               a=i-1
-               i=9999
-            endif
-            i=i+1
-            goto 10
-         endif
-      endif
-      
-      if ((y.lt.y_arr(1)).or.(y.gt.y_arr(nY))) then
-         write(*,*) 'Warning from bilinearN2N2:'
-         write(*,*) 'Outside continuum temperature range!'
-         if(y.lt.y_arr(1))then
-            y=y_arr(1)+0.01
-         endif
-         if(y.gt.y_arr(nY))then
-            y=y_arr(nY)-0.01
-         endif
-      else
-
-!     in the y (temperature) direction 2nd
-         j=1
- 20      if (j.lt.(nY+1)) then
-            if (y_arr(j).gt.y) then
-               y1=y_arr(j-1)
-               y2=y_arr(j)
-               b=j-1
-               j=9999
-            endif
-            j=j+1
-            goto 20
-         endif
-      endif
-      
-      f11=f2d_arr(a,b)
-      f21=f2d_arr(a+1,b)
-      f12=f2d_arr(a,b+1)
-      f22=f2d_arr(a+1,b+1)
-
-      call bilinear(f,f11,f21,f12,f22,x,x1,x2,y,y1,y2)
-
-      return
-    end subroutine bilinearN2N2