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February 26, 2015, 08:27
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body force for moving a droplet
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#1 |
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New Member
Join Date: Oct 2014
Posts: 23
Rep Power: 11  |
hi,i'm trying too simulate moving of a droplet between 2 surfaces,to move the droplet i need to define a body force.
how can i do this? |
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February 26, 2015, 16:47
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#2 |
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Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,700
Rep Power: 143 |
Use a momentum source term.
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February 27, 2015, 00:44
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#3 |
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New Member
Join Date: Oct 2014
Posts: 23
Rep Power: 11 |
how to define for example a 100N force with momentum source?what is the momentum quantity?
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February 28, 2015, 06:40
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#4 |
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Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,700
Rep Power: 143 |
Have a look at the units for the source term. If I remember correctly they are kg m^-2 s^-2. You will need to convert your 100N into this unit by considering the volume and time it acts over.
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