Low reynolds SA correction interface (#1408)

* added option for low reynolds number correction for SA

* added solver translator test for SA low reynolds correction option

* fixed unit tests and changed default value for low_reynolds_correction to none and made it optional

* added low_reynolds_correction to json file to get test to pass

* changed default for low_reynolds_correction in SA model from None to False updated json files in solver translator to add default false option

* updated json file to add new default option

* updated more json files

* added option to change C_w4 and C_w5 in python interface updated json files for unit tests

Author: awccoppFC

flow360/component/simulation/models/solver_numerics.py

@@ -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)
@@ -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):

flow360/component/simulation/translator/solver_translator.py

@@ -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")