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Welcome to the CPL library wiki. This contains documentation, discussion and accounts of setting up coupled cases.

CPL library

- Input file and supported commands
- An example of a minimal MOCK CPL script to be used for coupled development
- Running Docker containers, see CPL library in Docker, using CPL library to run a case between Two Separate Docker Containers and using the Docker images with Singularity to run Singularity on HPC.
- Some notes on MPMD and MPI_port system used in CPL library in the section on how best to run CPL library.
- A discussion of the coupler philosophy and minimal setup for a coupled case.
- An overview of ndArray, CPL force and CPL field helper classes which are used to apply constraints on particle codes in coupled simulation.
- How to setup a custom install of mpi4py on a supercomputer for use with the python wrapper of CPL library.


- A guide outlining the setup of OpenFOAM for use in coupled simulation.
- An overview of the various top level OpenFOAM solvers.
- An example of using pytest to test coupled OpenFOAM through a script to validate Couette flow at every time.


- An overview of deployment of LAMMPS with coupling.
- A discussion of the LAMMPS CPL interface, the available LAMMPS input syntax to use fix_cpl_init and the LAMMPS CPL APP fix_cpl_force.
- A Minimal tutorial on creating new Drag Forces
- An Extended Tutorial on creating new Drag Forces

== Coupled OpenFOAM and LAMMPS

- Once you've tested both OpenFOAM and LAMMPS individually, they can be coupled by looking at a quickstart guide to running LAMMPS and OpenFOAM using singularity.