In CFX-Pre, for the LRR Reynolds stress model, the model constants can be modified under advanced control. What do the constants
LRR IP RS COEFFICIENTS/ C1 Coefficient and
refer to? There is no obvious match between these names and the constant names for the pressure strain correlation given in the documentation.

The pressure strain correlation given in the documentation can be reformulated differently. For the LRR-IP Reynolds stress model, this leads to a simplification, with only two terms left. The two coefficients mentioned above are the coefficients by which these two terms can be multiplied. Full details and derivation of the equivalent formulation are given in the attached document.

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