tLowered default time step length - sphere - GPU-based 3D discrete element method algorithm with optional fluid coupling
  HTML git clone git://src.adamsgaard.dk/sphere
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       ---
   DIR commit b25fd914a4b75602e6eb889c11c73a10d8029ae3
   DIR parent ad55eb790a21e6d8161ca49c27e87dffdf6e61cb
  HTML Author: Anders Damsgaard <adc@geo.au.dk>
       Date:   Fri, 24 Aug 2012 09:44:43 +0200
       
       Lowered default time step length
       
       Diffstat:
         M python/sphere.py                    |       3 ++-
       
       1 file changed, 2 insertions(+), 1 deletion(-)
       ---
   DIR diff --git a/python/sphere.py b/python/sphere.py
       t@@ -614,7 +614,8 @@ class Spherebin:
            r_min = numpy.amin(self.radius)
        
            # Computational time step (O'Sullivan et al, 2003)
       -    self.time_dt[0] = 0.17 * math.sqrt((4.0/3.0 * math.pi * r_min**3 * self.rho[0]) / numpy.amin([self.k_n[:], self.k_s[:]]) )
       +    #self.time_dt[0] = 0.17 * math.sqrt((4.0/3.0 * math.pi * r_min**3 * self.rho[0]) / numpy.amin([self.k_n[:], self.k_s[:]]) )
       +    self.time_dt[0] = 0.12 * math.sqrt((4.0/3.0 * math.pi * r_min**3 * self.rho[0]) / numpy.amin([self.k_n[:], self.k_s[:]]) )
            
            # Time at start
            self.time_current[0] = current