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[lammps-users] why fix ave/chunk doesn't output any information when use rerun command
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[lammps-users] why fix ave/chunk doesn't output any information when use rerun command


From: "Yan, Rui" <ry48@...7136...>
Date: Fri, 29 Sep 2017 15:51:48 +0000

Dear Lammps users,

 

I want to use rerun command to read snapshots from a dump file to calculate number density in different bins. The dump file has  id, type,q,x,y,z,vx,vy,vz,fx,fy,fz of each atom, with timestep ranging from 50,000 to 100,000 and a span of 100 steps. When the rerun command finishes, everything seems fine from my log file,  but the output file written by fix ave/chunk command doesn’t have any information except the default three head lines.  Could you tell me what the reason is and how to solve this problem?   

 

The related commands are as follow:

 

compute        define_bin          all        chunk/atom      bin/1d         z      lower      2.5         units        box

 

fix                   1                           all         ave/chunk        100              500         50000          define_bin               density/number       norm     sample       file       density_number_of_every_bin.txt   

 

rerun              coordinate.txt    first     50100    every    100      dump       x     y    z     box   yes    replace   yes 

 

 

 

Thanks.

 

Rui