<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML DIR=ltr><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb2312"></HEAD><BODY><DIV><FONT face='宋体,Simsun' color=#000000 size=2>Hello everynoe:</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2>I simulate to stretch a DNA molecule. But there is no
suitable methods, so I change the sorce of the Gromacs.</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2>Before the update_md I add forces on some atomes. But
I am not sure the force's unit is right or not.</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2>In the manual, The forcce unit is kj/(mol*nm), so it
is 1kj/(mol*nm) = 1.66 pn.</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2>But during the calaulation, the force's unit changed
or not? Can anyoe tell me the force unit during the calculation.</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV>
<DIV><FONT face=宋体 size=2>Thank you very much!!</FONT></DIV>
<DIV><FONT face=宋体 size=2></FONT> </DIV></BODY></HTML>