Surface tension part in Gromacs manual explains its well.<br><br>
<div><span class="gmail_quote">On 3/1/06, <b class="gmail_sendername">Lisa M. Perez</b> <<a href="mailto:mouse@isc.tamu.edu">mouse@isc.tamu.edu</a>> wrote:</span>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br><br>I have a question about the definition of lateral pressure. Many of the papers<br>that I have read that have used gromacs for dppc/water models have used a
<br>negative value (-10, ..., -100, etc) for the lateral pressure (X and Y) and<br>1atm for the Z direction. Is the lateral pressure the external or internal<br>pressure as implemented in gromacs? If it is interanl pressure than I would
<br>expect the cell to contract in the x and y direction. Is this correct?<br><br>Any information would be greatly appreciated!<br><br>Sincerely,<br><br>Lisa M. Perez<br><br>------------------------------------------------------------
<br>Lisa M. Pérez, Ph.D.<br><br>Manager, Laboratory for Molecular Simulation<br><br><a href="http://www.chem.tamu.edu/LMS/">http://www.chem.tamu.edu/LMS/</a><br><br>Texas A&M University <a href="mailto:mouse@mail.chem.tamu.edu">
mouse@mail.chem.tamu.edu</a><br>Dept. of Chemistry Chemistry Bldg. RM. 2109<br>P.O. Box 30012 office (979) 845-9384<br>College Station, TX 77842-3012 fax (979) 845-2971<br>
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