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February 20, 2019, 04:12
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Natural convection
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#1 |
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Member
Join Date: Nov 2018
Posts: 41
Rep Power: 7  |
I'm modeling a heat sink, (natural convection), the problem that there is no velocity vectors are generating and the velocity is zero even there is a temperature difference and the gravity model is on.
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February 20, 2019, 13:05
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#2 |
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Super Moderator
Alex
Join Date: Jun 2012
Location: Germany
Posts: 3,399
Rep Power: 46 |
Are you using a fluid with temperature-dependent density, e.g. ideal gas? Constant density won't cut it.
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February 21, 2019, 05:44
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#3 |
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Member
Join Date: Nov 2018
Posts: 41
Rep Power: 7 |
Thank you, I got the answer it was just a stupid mistake
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