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Hi guys,<br>&nbsp;<br>I have question about gromacs.<br>I am doing SMD using gromacs and I don't know if gromacs can do this simulation: fixing atoms and applying load to another atoms at the same time?<br>&nbsp;<br>if yes how, if no what another programs can do it?<br>&nbsp;<br>Thanks,<br>Talal<br>                                               <BR>                                               </div></body>
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