论文标题

PALABOS-NPFEM:用于模拟细胞血流的软件(数字血)

Palabos-npFEM: Software for the Simulation of Cellular Blood Flow (Digital Blood)

论文作者

Kotsalos, Christos, Latt, Jonas, Chopard, Bastien

论文摘要

Palabos-NPFEM是用于模拟具有完全分辨成分的血流的计算框架。该软件可以解决血细胞的轨迹和变形状态,例如红细胞和血小板,以及它们之间的复杂相互作用。该工具结合了晶格Boltzmann求解器Palabos,以模拟血浆(流体相),一种有限元方法(FEM)求解器,用于分辨血细胞(固相)(固相)和一种浸没的边界方法(IBM),以耦合这两个阶段。 Palabos-NPFEM在仅CPU的版本上提供了模拟GPU上可变形物体的选项,因此该代码是针对最快的超级计算机量身定制的。该软件集成在Palabos Core库中,可在GIT存储库中https://gitlab.com/unigespc/palabos上找到。它提供了模拟各种设置的可能性,例如几种几何和血液参数,由于其模块化设计,它允许外部求解器容易替换提供的求解器。

Palabos-npFEM is a computational framework for the simulation of blood flow with fully resolved constituents. The software resolves the trajectories and deformed state of blood cells, such as red blood cells and platelets, and the complex interaction between them. The tool combines the lattice Boltzmann solver Palabos for the simulation of blood plasma (fluid phase), a finite element method (FEM) solver for the resolution of blood cells (solid phase), and an immersed boundary method (IBM) for the coupling of the two phases. Palabos-npFEM provides, on top of a CPU-only version, the option to simulate the deformable bodies on GPUs, thus the code is tailored for the fastest supercomputers. The software is integrated in the Palabos core library, and is available on the Git repository https://gitlab.com/unigespc/palabos. It offers the possibility to simulate various setups, e.g. several geometries and blood parameters, and due to its modular design, it allows external solvers to readily replace the provided ones.

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