[gmx-users] how does gromacs handle the force on the virtual site of the TIP4P model

[GZ Zhang]

Hi, ALL

    We are writing our own MD program to simulate water and the TIP4P model
is being considered.
I am wondering that how does GROMACS program handle the force on the
massless M site of the TIP4P
model? It would be better to be informed the algorithm(or the code in
GROMACS). Thanks.

    Guozhen
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