High-performance Implementation of Parallel Semi-Implicit Method for Pressure Linked Equations Solver on CPU+GPU Platform

Xu, Qianting; Li, Ruitian; Xu, Minghai

doi:10.1016/j.ijheatmasstransfer.2021.121976

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Test Cases Computational Approach and Model Validation1

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2025

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“…The governing equations were discretized on unstructured, nested, Cartesian‐like grids. The Navier‐Stokes equations were advanced in time using a Semi‐Implicit Method for Pressure Linked Equations (SIMPLE) algorithm in which an intermediate velocity is calculated by solving the momentum equations without the pressure term and then the final velocity is obtained using a pressure correction that ensures the continuity equation is satisfied (Patankar & Spalding, 1972; Qin et al., 2021; Xu et al., 2022). The convection terms in the momentum equations were discretized using a Hybrid‐Bounded central difference scheme, which couples a higher‐order upwind scheme in regions where the RANS mode is active with a bounded central difference scheme in regions where the LES mode is active.…”

Section: Test Cases Computational Approach and Model Validationmentioning

confidence: 99%