tFix reference to fracture toughness value in Hopkins 2004 - Granular.jl - Julia package for granular dynamics simulation
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       ---
   DIR commit 0b3e5ea9a8ed27d4ab076fc3a9609877029d04ea
   DIR parent 9b278664d60a61ba992ab46666ddcadfbe04ad5c
  HTML Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Tue, 20 Aug 2019 11:27:00 +0200
       
       Fix reference to fracture toughness value in Hopkins 2004
       
       Diffstat:
         M src/grain.jl                        |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
   DIR diff --git a/src/grain.jl b/src/grain.jl
       t@@ -89,7 +89,7 @@ are optional, and come with default values.  The only required arguments are
            strength is obtained [Pa/s].
        * `fracture_toughness::Float64 = 0.`: fracture toughness which influences the 
            maximum compressive strength on granular contact [m^{1/2}*Pa]. A value
       -    of 1.285e3 m^{1/2}*Pa is used for sea ice by Hopkins 2004.
       +    of 1.285e6 m^{1/2}*Pa is used for sea ice by Hopkins 2004.
        * `ocean_drag_coeff_vert::Float64 = 0.85`: vertical drag coefficient for ocean
            against grain sides [-].
        * `ocean_drag_coeff_horiz::Float64 = 5e-4`: horizontal drag coefficient for