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Potential energy from rotations #21
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Ewald force should include k-space (reciprocal space) contribution |
name md_NVE_example input_atoms input.pdb ! PDB ONLY potential_form lj carbasis 25 25 25 90 90 90 ensemble nve ! MOLECULAR DYNAMICS ONLY =============================== |
ATOM 1 HT h2o M 1 -1.752770 7.859250 -4.727420 default 0.4170 |
quaternion dynamics tests lj, no rotations, conserves in nve. |
theta should maybe define angular position w/respect to ORIGINAL position; not previous. so theta is recursive by integration function but the actual rotation should be performed on original relative coordinates r-r_com |
or, U_rotation = torque dot theta , add this to normal potential? |
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