Particle transport with unstructured grid on GPU

@article{Gong2012ParticleTW,
  title={Particle transport with unstructured grid on GPU},
  author={Chunye Gong and Jie Liu and Haowei Huang and Zhenghu Gong},
  journal={Computer Physics Communications},
  year={2012},
  volume={183},
  pages={588-593}
}