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[02218] Self-gravitational force calculation of infinitesimally thin gaseous disks based on adaptive mesh refinement accelerated by sparse fast Fourier transform

  • Session Time & Room : 5D (Aug.25, 15:30-17:10) @E703
  • Type : Contributed Talk
  • Abstract : The central region of galaxies can be infinitesimally thin gaseous disks due to the angular moment conservation. Dynamic of gaseous disks is significant for probing the gas flows inward/outward to the origin of galaxies. Moreover, self-gravitational force calculation should be concerned during the evolution of galaxies. We can use the sparse fast Fourier transform (sFFT) to preserve the nearly linear complexity $O(N\log N)$ for numerical calculation based on adaptive mesh refinement (AMR) in this presentation.
  • Classification : 65M80, 42A16, 42A38
  • Format : Talk at Waseda University
  • Author(s) :
    • Chien-Chang Yen (Fu Jen Catholic University)