[AMBER] Add extra force in sander.MPI

From: Chicago Ji <chicago.ecnu.gmail.com>
Date: Sun, 2 Oct 2011 02:23:39 +0800

Dear Amber users,

    I want to add an extra energy term on part of the system (only few
atoms) in Amber11.

  I need to add extra force to f(*) in runmd.f .

 But I'm don't know what was stored in f(*) exactly .

 I tried to print out f(*) on each process.

It seems that only part of f(*) was right on each process.
( from id "istart3" to "iend3" )

I guess : f(*) calculted from each process wasn't summarized and brocast .

So only part information of f(*) on each process was useful, am i right ?

Any hint would be helpful.


Thanks in advance.


Sincerely
Chicago .Ji
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Received on Sat Oct 01 2011 - 11:30:02 PDT
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