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  1. Chapter and Conference Paper

    Efficient GPU Offloading with OpenMP for a Hyperbolic Finite Volume Solver on Dynamically Adaptive Meshes

    We identify and show how to overcome an OpenMP bottleneck in the administration of GPU memory. It arises for a wave equation solver on dynamically adaptive block-structured Cartesian meshes, which keeps all CP...

    Mario Wille, Tobias Weinzierl, Gonzalo Brito Gadeschi… in High Performance Computing (2023)

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    Chapter and Conference Paper

    Task Inefficiency Patterns for a Wave Equation Solver

    The orchestration of complex algorithms demands high levels of automation to use modern hardware efficiently. Task-based programming with OpenMP 5.0 is a prominent candidate to accomplish this goal. We study O...

    Holger Schulz, Gonzalo Brito Gadeschi… in OpenMP: Enabling Massive Node-Level Parall… (2021)

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    Chapter and Conference Paper

    Towards Large Multi-scale Particle Simulations with Conjugate Heat Transfer on Heterogeneous Super Computers

    We present numerical methods based on hierarchical Cartesian grids for the simulation of particle flows of different length scales. These include Eulerian-Lagrangian approaches for fully resolved moving partic...

    Gonzalo Brito Gadeschi, Christoph Siewert… in High Performance Computing in Science and … (2015)

  4. No Access

    Chapter

    Partitioned Fluid-Structure Interaction on Solution-Adaptive Hierarchical Cartesian Grids

    A solution-adaptive hierarchical Cartesian cut-cell method is validated for fluid-structure interaction problems involving rigid bodies. The response of a tandem configuration of elastically supported cylin...

    Gonzalo Brito Gadeschi, Matthias Meinke… in New Results in Numerical and Experimental … (2014)