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The Discrete Fracture and Matrix (DFM) model of flow and reactive transport in fractured porous media, implemented in the GeRa software package, is considered. The model features the dissolution–precipitation reactions of mineral phases, including corresponding changes in the hydraulic and transport properties of the host rock. The issue of increasing the efficiency of calculations through OpenMP parallelization of the most computationally expensive part of the code—the calculation of geochemical interactions—is being investigated. Numerical experiments on two different clusters are presented and the results are compared.

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OpenMP Parallel Efficiency for DFM Flow and Transport Model Coupled with Precipitation–Dissolution Reactions

  • 会议论文

  • 发表日期：

    2025年

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  • Fedor Grigoriev,
  • Ivan Kapyrin,
  • Igor Konshin

摘要

The Discrete Fracture and Matrix (DFM) model of flow and reactive transport in fractured porous media, implemented in the GeRa software package, is considered. The model features the dissolution–precipitation reactions of mineral phases, including corresponding changes in the hydraulic and transport properties of the host rock. The issue of increasing the efficiency of calculations through OpenMP parallelization of the most computationally expensive part of the code—the calculation of geochemical interactions—is being investigated. Numerical experiments on two different clusters are presented and the results are compared.