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Low reynolds SA correction interface #1408

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Merged
awccoppFC merged 8 commits into from
Sep 5, 2025
Merged

Low reynolds SA correction interface #1408

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13f500d
added option for low reynolds number correction for SA
awccoppFC Sep 2, 2025
0d78957
added solver translator test for SA low reynolds correction option
awccoppFC Sep 2, 2025
6fe9f59
fixed unit tests and changed default value for low_reynolds_correctio…
awccoppFC Sep 3, 2025
c0aa669
added low_reynolds_correction to json file to get test to pass
awccoppFC Sep 3, 2025
a0782e7
changed default for low_reynolds_correction in SA model from None to …
awccoppFC Sep 3, 2025
e3d9a25
updated json file to add new default option
awccoppFC Sep 3, 2025
491b9d4
updated more json files
awccoppFC Sep 3, 2025
2de739e
added option to change C_w4 and C_w5 in python interface updated json…
awccoppFC Sep 3, 2025
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6 changes: 6 additions & 0 deletions flow360/component/simulation/models/solver_numerics.py
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,8 @@ class SpalartAllmarasModelConstants(Flow360BaseModel):
C_v1: NonNegativeFloat = pd.Field(7.1)
C_vonKarman: NonNegativeFloat = pd.Field(0.41)
C_w2: float = pd.Field(0.3)
C_w4: float = pd.Field(0.21)
C_w5: float = pd.Field(1.5)
C_t3: NonNegativeFloat = pd.Field(1.2)
C_t4: NonNegativeFloat = pd.Field(0.5)
C_min_rd: NonNegativeFloat = pd.Field(10.0)
Expand Down Expand Up @@ -426,6 +428,10 @@ class SpalartAllmaras(TurbulenceModelSolver):
+ "variables at the faces (specified in the range [0.0, 2.0]). 0.0 corresponds to "
+ "setting the gradient equal to zero, and 2.0 means no limiting.",
)
low_reynolds_correction: Optional[bool] = pd.Field(
False,
description="Use low Reynolds number correction for Spalart-Allmaras turbulence model",
)


class NoneSolver(Flow360BaseModel):
Expand Down
2 changes: 2 additions & 0 deletions flow360/component/simulation/translator/solver_translator.py
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Expand Up @@ -1376,6 +1376,8 @@ def rename_modeling_constants(modeling_constants):
replace_dict_key(modeling_constants, "CV1", "C_v1")
replace_dict_key(modeling_constants, "CVonKarman", "C_vonKarman")
replace_dict_key(modeling_constants, "CW2", "C_w2")
replace_dict_key(modeling_constants, "CW4", "C_w4")
replace_dict_key(modeling_constants, "CW5", "C_w5")
replace_dict_key(modeling_constants, "CT3", "C_t3")
replace_dict_key(modeling_constants, "CT4", "C_t4")
replace_dict_key(modeling_constants, "CMinRd", "C_min_rd")
Expand Down
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