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Basic Multiphase Model but Divergence

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Old   September 1, 2023, 19:23
Exclamation Basic Multiphase Model but Divergence
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Gokhan Pulati
Join Date: Sep 2022
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Hey folks, when I try to simulate a phase-change in Fluent, I get divergence whenever I patch the water to its region and try to solve the problem. The pics should inform you about my setup but I've one more question for you; I want to model both condensation and evaporation at the same time so is one mass transfer mechanism from phase water to phase vapor enough for that? I read the manual but still struggling the basic details. Thank you for your help

Residuals (Energy is OFF since it is recommended in other topics that I should turn off Energy for the first few time-steps then I should enable it)

The Domain (I want water to be evaporated and then be condensed at the top)

The Models

The Multiphase Model

The Patch I want to Continue with

Last edited by asabiMech; September 2, 2023 at 18:07.
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divergence, evaporation condensation, fluent, multiphase, patch

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