X-Git-Url: http://mmka.chem.univ.gda.pl/gitweb/?a=blobdiff_plain;f=source%2Funres%2Fsrc_MD-M%2FMREMD.F;h=96b910995b606f1259f2b0709f328db268d4b55d;hb=04faa577d15f891beaa242b6285f3d900a6a6634;hp=493dbb59ff6bebec0f7fcb95f1639d8c6268094b;hpb=3f4d3bd479a6446c6b15c317d038a1ec49b7ce6f;p=unres.git

diff --git a/source/unres/src_MD-M/MREMD.F b/source/unres/src_MD-M/MREMD.F
index 493dbb5..96b9109 100644
--- a/source/unres/src_MD-M/MREMD.F
+++ b/source/unres/src_MD-M/MREMD.F
@@ -1274,6 +1274,18 @@ co     &    " rescaling weights with temperature",t_bath
            stdfsc(i)=dsqrt(2*Rb*t_bath/d_time)
          enddo
 
+c Compute the standard deviations of stochastic forces for Langevin dynamics
+c if the friction coefficients do not depend on surface area
+      if (lang.gt.0 .and. .not.surfarea) then
+        do i=nnt,nct-1
+          stdforcp(i)=stdfp*dsqrt(gamp)
+        enddo
+        do i=nnt,nct
+          if (itype(i).ne.ntyp1) stdforcsc(i)=stdfsc(iabs(itype(i)))
+     &                *dsqrt(gamsc(iabs(itype(i))))
+        enddo
+      endif
+
 cde         write(iout,*) 'REMD after',me,t_bath
            time08=MPI_WTIME()
            if (me.eq.king .or. .not. out1file) then