Thanks!
How should I do it? Is force.c used by grompp or mdrun? I want to know if I can 
run on shared resources (by just preprocessing with the edited version) or I do 
have to run it locally.
Regards
A newbie

Alessandro Mattozzi
M.Phil., Ph.D. student
Dept. of Fibre and Polymer Technology
Royal Institute of Technology
Stockholm, Sweden



-----Original Message-----
From: [EMAIL PROTECTED] on behalf of Pradip Kumar Biswas
Sent: Fri 6/30/2006 8:27 PM
To: Discussion list for GROMACS users
Subject: Re: [gmx-users] Van der Waals: switch attractive term off
 
It seems that you can modify the following line in the function *mk_nbfp() in 
force.c and achieve what you want. 

C6(nbfp,atnr,i,j) = idef->iparams[k].lj.c6; (it is in line 117 of force.c in 
version 3.3) 

and change it to 

C6(nbfp,atnr,i,j) = 0; 

This will set the attractive interaction between atom i & j to 0. 

pb. 

On Jun 30, 2006, at 4:14 AM, Alessandro Mattozzi wrote: 


        Hi All 
        I simulate PE using AUA. I would like to switch the attractive term of 
the vdW force. How can I do it? 
        Regards 

        Alessandro Mattozzi 
        M.Phil., Ph.D. student 
        Dept. of Fibre and Polymer Technology 
        Royal Institute of Technology 
        Stockholm, Sweden 


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-- 
Pradip K. Biswas, PhD. 
Research Associate, Department of Chemistry; 
Cleveland State University, Ohio-44115 
Phone: 1-216-875-9723 
http://comppsi.csuohio.edu/groups/people/biswas.html 

<<winmail.dat>>

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