zhfzzz / PF_cpp

Phase field simulation written in C++

PF_cpp

Phase field simulation written in C++, CUDA. Scaling: CUDA-aware MPI.

Cite

If you are using the codes in this repository, please cite the following paper

@article{qin2022dendrite,
  title={Dendrite-resolved, full-melt-pool phase-field simulations to reveal non-steady-state effects and to test an approximate model},
  author={Qin, Yigong and Bao, Yuanxun and DeWitt, Stephen and Radhakrishnan, Balasubramanian and Biros, George},
  journal={Computational Materials Science},
  volume={207},
  pages={111262},
  year={2022},
  publisher={Elsevier}
  url = {https://www.sciencedirect.com/science/article/pii/S0927025622000660}
}

Usage

3D grain simulation

cd 3Dgrain
module load cuda
make
./phase_field input_file -s SEED

Dendrites simulation

./phase_field INPUT_FILE MACRO_INPUTS_DIR

CUDA-aware MPI

module load xl cuda spectrum_mpi
export CUDA_PATH=$CUDA_DIR
export MY_SPECTRUM_OPTIONS="--gpu --aff on" ibrun -n NUM_GPUS ./phase_field INPUT_FILE MACRO_INPUTS_DIR

Performance/scaling

Example

Dentrite-scale simulation

WD_shallow.mp4

Grain-scale simulation

Reference

[1] Blas Echebarria, Roger Folch, Alain Karma, and Mathis Plapp. Quantitative phase-field model of alloy solidification. Physical Review E, 70(6):061604, 2004.
[2] D. Tourret and A. Karma. Three-dimensional dendritic needle network model for alloy solidifi- cation. Acta Materialia, 120:240–254, 2016.

Author

This software was primarily written by Yigong Qin who is advised by Prof. George Biros.