A Technique for Large-Scale 2D Seismic Field Simulations on Supercomputers

An algorithm for the simulation of elastic wave propagation in 2D isotropic inhomogeneous media with complex geometrical structure is presented. A parallel implementation of the FDTD method of fourth order in space to perform calculations on high-performance computing systems with different architectures (CPUs, GPUs, or Xeon Phi coprocessors) is discussed. The proposed technique of mathematical modeling with the use of MPI and CUDA is used to design program codes for computations for a realistic long-distance model. Program codes for single device and multi device use are developed. A large-scale geophysical model of the Baikal rift zone is reconstructed. New synthetic data depicting the structure of the seismic field for the rift zone are presented.