tFix skin-depth calculation - cngf-pf-exp1 - experiments for first paper with continuum granular model
  HTML git clone git://src.adamsgaard.dk/manus_continuum_granular1_exp
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       ---
   DIR commit 0b6096c2f921b6de6e982bfa5d0a28b35ac99f0d
   DIR parent 212f9f790c7f67593b0b641dc7be37dd9173817c
  HTML Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Tue, 30 Jun 2020 13:37:11 +0200
       
       Fix skin-depth calculation
       
       Diffstat:
         M fig-skin_depth/fig.gp               |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
   DIR diff --git a/fig-skin_depth/fig.gp b/fig-skin_depth/fig.gp
       t@@ -24,7 +24,7 @@ f_min = 0.5*1.0/(24*365)/36000.0
        f_max = 2.0/3600.0
        
        # f: frequency, k: permeability
       -skindepth(f,k) = (k/((alpha + phi*mu_f)*beta_f*3.141592654*f))**(0.5)  # f: 1/s
       +skindepth(f,k) = (k/((alpha + phi*beta_f)*mu_f*3.141592654*f))**(0.5)  # f: 1/s
        
        set xlabel "Forcing frequency {/:Italic f} [1/s]"
        set ylabel "Permeability {/:Italic k} [m^2]"