Preprint
Jul 2026
Generalizable turbulence closures across bluff-body shapes by PINN-based solver-agnostic training
Four closures are developed: three model the Reynolds stress on a realizable tensor basis---a local map, a non-local model transporting the turbulent kinetic energy and recovering the out-of-plane normal stress, and a fourth models the Reynolds force directly, free of the realizability constraint.
Zhen Zhang, Theo Kaufer, Louise Ronglan et al.
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