forked from lijiext/lammps
One more bug in pair_granular.cpp, where JKR cutoff was incorrectly computed. Thanks to Ishan Srivastava for finding this one
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@ -1728,7 +1728,7 @@ double PairGranular::pulloff_distance(double radi, double radj,
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if (Reff <= 0) return 0;
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if (Reff <= 0) return 0;
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coh = normal_coeffs[itype][jtype][3];
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coh = normal_coeffs[itype][jtype][3];
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E = normal_coeffs[itype][jtype][0]*THREEQUARTERS;
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E = normal_coeffs[itype][jtype][0]*THREEQUARTERS;
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a = cbrt(9*MY_PI*coh*Reff/(4*E));
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a = cbrt(9*MY_PI*coh*Reff*Reff/(4*E));
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return a*a/Reff - 2*sqrt(MY_PI*coh*a/E);
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return a*a/Reff - 2*sqrt(MY_PI*coh*a/E);
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}
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}
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