[gmx-users] pme algorithm
348363213 at qq.com
Tue Aug 1 15:10:22 CEST 2017
I used Gromacs run the biological system, which contains water, ions(Na+,Cl-), and nucleic. I used gromacs run the system, and the coulombtype was PME and the cutoff was 10 angstrom, then I want to use the commond rerun to calculate the interaction of resid 1 and resid 2, I add the energygrps in my mdp, and the coulombtype was PME, the .edr file can be obtained. Then I use g_energy to calculate the coulomb interaction.
In real space, the coulomb energy using the equation ,if using the equation , are these two values different too much?
thank you very much.
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