diff --git a/run.sh b/run.sh
index d24482a944778f92eda99640991c249605b8efc2..075379425c8ed28572890696ee63e6e6ea4f07b6 100644
--- a/run.sh
+++ b/run.sh
@@ -1,2 +1,2 @@
 mkdir -p results restart output
-mpiexec -np 2 src/pafiX
+mpiexec -np 3 src/pafiX
diff --git a/src/momentum.f90 b/src/momentum.f90
index bd7ab9660830010a75742b5ec153cde34186463f..17e394aa7d5c5b48bd433780a789b21c93ad40d0 100644
--- a/src/momentum.f90
+++ b/src/momentum.f90
@@ -104,7 +104,7 @@
       do 1 j=jmin,jmax
       do 1 l=lmin,lmax
 
-      if (celltype(i,j,l).ne.active) cycle
+!      if (celltype(i,j,l).ne.active) cycle
 
       if ((celltype(i+1,j,l).ne.wall).and.(celltype(i-1,j,l).ne.wall).and. &
           (celltype(i,j+1,l).ne.wall).and.(celltype(i,j-1,l).ne.wall).and. &
diff --git a/src/post.f90 b/src/post.f90
index 98b450b35a1b9586b6563288b75ff2d7783073f8..98b11ebd2ebdee6c30407937e3d34df1bd1f9d05 100644
--- a/src/post.f90
+++ b/src/post.f90
@@ -131,8 +131,8 @@
         write(10,'(a,i10,i14,15(i10))') '#',(m,m=1,16)
         write(10,'(a,a10,a14,14(a10))') &
         '#','nt','t','dt','ucl','av(u)','av(v)','av(w)','rms(v)','rms(w)', &
-        'Rec','Reb','tau_w','u_tau','Re_tau', &
-        'C01','av(qp)'
+        'Rec','Reb','tau_w','u_{tau}','Re_{tau}', &
+        'C_{01}','av(qp)'
       endif
 
       write(10,'(x,i10,es14.6e2,20(es10.2e2))') &
diff --git a/src/pre.f90 b/src/pre.f90
index 4fe0c22f08bba9a8832e991055b67d1b0e75c93d..0e8b58cb72c0e5de212a660b5ef7b70e8f536a81 100644
--- a/src/pre.f90
+++ b/src/pre.f90
@@ -261,15 +261,7 @@
         case ('p')
           if ((j.lt.jmin).or.(j.gt.jmax)) celltype(:,j,:)= passive
         case ('w','i')
-          if ((j.lt.jmin).and.(myid.eq.0)) then
-            celltype(:,j,:)= wall
-          elseif ((j.lt.jmin).and.(myid.ne.0)) then
-            celltype(:,j,:)= passive
-          elseif ((j.gt.jmax).and.(myid.eq.nrprocs-1)) then
-            celltype(:,j,:)= wall
-          elseif ((j.gt.jmax).and.(myid.ne.nrprocs-1)) then
-            celltype(:,j,:)= passive
-          endif
+          if ((j.lt.jmin).or.(j.gt.jmax)) celltype(:,j,:)= wall
         end select
 2     enddo
       do 3 l=1,ll
@@ -277,15 +269,7 @@
         case ('p')
           if ((l.lt.lmin).or.(l.gt.lmax)) celltype(:,:,l)= passive
         case ('w','i')
-          if ((l.lt.lmin).and.(myid.eq.0)) then
-            celltype(:,:,l)= wall
-          elseif ((l.lt.lmin).and.(myid.ne.0)) then
-            celltype(:,:,l)= passive
-          elseif ((l.gt.lmax).and.(myid.eq.nrprocs-1)) then
-            celltype(:,:,l)= wall
-          elseif ((l.gt.lmax).and.(myid.ne.nrprocs-1)) then
-            celltype(:,:,l)= passive
-          endif
+          if ((l.lt.lmin).or.(l.gt.lmax)) celltype(:,:,l)= wall
         end select
 3     enddo
 
diff --git a/src/pressure.f90 b/src/pressure.f90
index aa1167871d00ff9d6d889c13cfd9faef94802924..601e1409e2d9038c08b836dedd7d758636c6da3e 100644
--- a/src/pressure.f90
+++ b/src/pressure.f90
@@ -25,7 +25,7 @@
       do 1 j=jmin,jmax+1
       do 1 l=lmin,lmax+1
 
-      if (celltype(i,j,l).ne.active) cycle
+      if (celltype(i,j,l).eq.wall) cycle
 
       h2sum=0._pr
       if (celltype(i+1,j,l).ne.wall) h2sum=h2sum+1._pr/(xf(i)-xf(i-1))**2 
diff --git a/src/var.f90 b/src/var.f90
index 576046cc999aa137ec0eac30815b6199e48c5463..d660a18d370d39f3b2e3eb989894c84ca52fc94e 100644
--- a/src/var.f90
+++ b/src/var.f90
@@ -15,7 +15,7 @@
       real(kind=pr), parameter :: &
       eps_el= 8.85e-12_pr, &        !< permittivity vacuum/air
       pi= 4._pr*atan(1._pr), &
-      tol=  1.e-2_pr, &             !< factor by which L2 shall decrease
+      tol= 1.e-2_pr, &              !< factor by which L2 shall decrease
       urfu= .25_pr, &               !< under relaxation factor variable u
       urfv= urfu, &
       urfw= urfv, &