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The Multiscale Universal Interface Code Coupling Library

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In this talk I will outline the open source Multiscale Universal Uniface (MUI) software library that provides the capability to couple scientific codes for multi-physics and multi-scale applications. The library is freely available and developed in C++, with wrappers for C/Fortran and Python available. It provides a simple interface around complex MPI -based communications between two or more solvers, as well as an extensible toolkit of spatial and temporal sampling techniques. It is general in design, with data transmitted as a point cloud contained within its own data structure, allowing for coupling between methods using different discretisation strategies. Examples of ways the library has been used include coupling Smoothed Particle Hydrodynamics (SPH) to Dissipative Particle Dynamics (DPD), Computational Fluid Dynamics (CFD) to the Finite Element Method (FEM) and Molecular Dynamics (MD) to Direct Simulation Monte Carlo (DSMC). The design and structure of the library will be shown alongside performance metrics, followed up with applied examples.

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This talk is part of the RSE Seminars series.

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