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Xolotl

Xolotl is a continuum simulator under development within two DOE SciDAC programs, available at https://github.com/ORNL-Fusion/xolotl . It is a high-performance computing code using advection-reaction-diffusion (ADR) kinetic rate theory to model the time evolution of the divertor material in next generation tokamaks like ITER, as well as nuclear fuel in fission reactors.

Required Dependencies

  • C++17 compiler
  • CMake >= 3.13
  • MPI
  • Boost
  • Kokkos >= 3.2
  • HDF5
  • PETSc >= 3.16 (configured with kokkos and kokkos-kernels; see scripts/build_petsc.sh)

Quick-Start Install

If you have the above dependencies installed

git clone https://github.com/ORNL-Fusion/xolotl $HOME/xolotl-source
mkdir $HOME/xolotl-build
cd $HOME/xolotl-build
cmake \
    -DCMAKE_BUILD_TYPE=Release \
    -DKokkos_DIR=/opt/kokkos-install \
    -DPETSC_DIR=/opt/petsc-install \
    -DCMAKE_INSTALL_PREFIX=$HOME/xolotl-build/install \
    $HOME/xolotl-source/
make
make test
make install

Wiki

You can find more information about this code on our Wiki and how to install Xolotl and its dependencies in Build Configuration.

Once installed, you can use a Benchmark file to run the code:

./xolotl <input_parameter_file>

as described in Running Xolotl, with the description of the different options at Parameter File and PETSc Options.

More Info

If you want to contribute please check Guidelines.

A list of publications using Xolotl is available at Publications.

For any question you can send an email to our mailing list: [email protected].