A comparison of nonstaggered compact FDTD schemes for the 3D wave equation

  title={A comparison of nonstaggered compact FDTD schemes for the 3D wave equation},
  author={Konrad Kowalczyk and Maarten van Walstijn},
  journal={2010 IEEE International Conference on Acoustics, Speech and Signal Processing},
This paper aims at providing a better insight into the 3D approximations of the wave equation using compact finite-difference time-domain (FDTD) schemes in the context of room acoustic simulations. A general family of 3D compact explicit and implicit schemes based on a nonstaggered rectilinear grid is analyzed in terms of stability, numerical error, and accuracy. Various special cases are compared and the most accurate explicit and implicit schemes are identified. Further considerations… CONTINUE READING


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