How to pin cells mass center?

[Эрвин Визард (Earvin Wizard)]

Tell me, please, is there a way in Morpheus to froze not the entire cell, but only its center of mass?

So that it retains the ability to oscillate the cell membrane, but cannot go far or be moved far. Conventionally speaking, I would like to pin its center of mass to specific coordinates of the computational domain.

Thanks!

[Jörn Starruß]

Use DirectedMotion together with tracking of the cell displacement

<PropertyVector symbol="cell.center.initial" value="cell.center"/>
<PropertyVector symbol="cell.center.displacement" value="0.0, 0.0, 0.0"/>
<VectorEquation symbol-ref="cell.center.displacement">
   <Expression>cell.center - cell.center.initial</Expression>
</VectorEquation>
<DirectedMotion strength="0.005" direction="- cell.center.displacement"/>

best

On 16.10.24 15:34, Эрвин Визард (Earvin Wizard) wrote:

Tell me, please, is there a way in Morpheus to froze not the entire cell, but only its center of mass?

So that it retains the ability to oscillate the cell membrane, but cannot go far or be moved far. Conventionally speaking, I would like to pin its center of mass to specific coordinates of the computational domain.

Thanks! --
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-- 
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Dipl.-Ing. Jörn Starruß
Pronomen: er / he

Technische Universität Dresden
CIDS - Center for Interdisciplinary Digital Sciences
Department Informationsdienste und Hochleistungsrechnen (ZIH)
Abteilung Innovative Methoden des Computing

Tel.: +49 351 463-38554
E-Mail: joern.s...@tu-dresden.de
Office: APB 1026