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------------------------------------------------------------
revno: 2886
committer: Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>
branch nick: trunk
timestamp: Mon 2011-07-18 10:53:56 +0200
message:
  Small fix in shear stiffness averaging (thanks Emanuele)
modified:
  pkg/dem/Ip2_FrictMat_FrictMat_FrictPhys.cpp


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=== modified file 'pkg/dem/Ip2_FrictMat_FrictMat_FrictPhys.cpp'
--- pkg/dem/Ip2_FrictMat_FrictMat_FrictPhys.cpp	2010-12-31 14:35:21 +0000
+++ pkg/dem/Ip2_FrictMat_FrictMat_FrictPhys.cpp	2011-07-18 08:53:56 +0000
@@ -40,7 +40,7 @@
 	//harmonic average of the two stiffnesses when (Ri.Ei/2) is the stiffness of a contact point on sphere "i"
 	Real Kn = 2*Ea*Ra*Eb*Rb/(Ea*Ra+Eb*Rb);
 	//same for shear stiffness
-	Real Ks = 2*Ea*Ra*Va*Eb*Rb*Vb/(Ea*Ra*Va+Eb*Rb*Va);
+	Real Ks = 2*Ea*Ra*Va*Eb*Rb*Vb/(Ea*Ra*Va+Eb*Rb*Vb);
 
 	Real frictionAngle = (!frictAngle) ? std::min(mat1->frictionAngle,mat2->frictionAngle) : (*frictAngle)(mat1->id,mat2->id,mat1->frictionAngle,mat2->frictionAngle);
 	contactPhysics->tangensOfFrictionAngle = std::tan(frictionAngle);