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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@3898 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp 2010-03-09 14:54:51 +00:00
parent 313cd257b6
commit 702250e700
2 changed files with 2 additions and 2 deletions
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2
doc/pair_gran.html
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@ -123,7 +123,7 @@ constant with units of force/distance. In the Hertzian case, Kn is
like a non-linear spring constant with units of force/area or
pressure, and as shown in the <A HREF = "#Zhang">(Zhang)</A> paper, Kn = 4G /
(3(1-nu)) where nu = the Poisson ratio, G = shear modulus = E /
(1(1+nu)), and E = Young's modulus. Similarly, Kt = 8G / (2-nu).
(2(1+nu)), and E = Young's modulus. Similarly, Kt = 8G / (2-nu).
Thus in the Hertzian case Kn and Kt can be set to values that
corresponds to properties of the material being modeled. This is also
true in the Hookean case, except that a spring constant must be chosen

2
doc/pair_gran.txt
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@ -113,7 +113,7 @@ constant with units of force/distance. In the Hertzian case, Kn is
like a non-linear spring constant with units of force/area or
pressure, and as shown in the "(Zhang)"_#Zhang paper, Kn = 4G /
(3(1-nu)) where nu = the Poisson ratio, G = shear modulus = E /
(1(1+nu)), and E = Young's modulus. Similarly, Kt = 8G / (2-nu).
(2(1+nu)), and E = Young's modulus. Similarly, Kt = 8G / (2-nu).
Thus in the Hertzian case Kn and Kt can be set to values that
corresponds to properties of the material being modeled. This is also
true in the Hookean case, except that a spring constant must be chosen