Fixing particle position in hoomd

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ADRIAN PINTO

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Mar 13, 2023, 6:16:25 AM3/13/23
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Hi,

I wanted to know if we can fix the position of a particle and update only its velocity. I need this to generate flow profile of a pusher type of active particle. If there is any alternative for this, please let me know.

Thank you.

Regards,
Adrian

Joshua Anderson

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Mar 15, 2023, 8:06:14 AM3/15/23
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Adrian,

I don't understand. If you fix the position, then the velocity is 0.

You can fix particle positions in MD simulations by omitting them from the filters you pass to your integration methods.
------
Joshua A. Anderson, Ph.D.
Research Area Specialist, Chemical Engineering, University of Michigan

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