Pararhombi: Parallel Implementation of 3-D Seismic Wave Propagation in Orthorhombic Media
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Many earth materials and minerals are seismically anisotropic; however, due to the weakness of anisotropy and for simplicity, the earth is often approximated as an isotropic medium. Specific circumstances, such as in shales, tectonic fabrics, or oriented fractures, for example, require the use of anisotropic simulations in order to accurately model the earth. This report details the development of a new massively parallel 3-D full seismic waveform simulation algorithm within the principle coordinate system of an orthorhombic material, which is a specific form of anisotropy common in layered, fractured media. The theory and implementation of Pararhombi is described along with verification of the code against other solutions.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
- DOE Contract Number:
- AC04-94AL85000; NA0003525
- OSTI ID:
- 1468381
- Report Number(s):
- SAND--2018-9477; 667440
- Country of Publication:
- United States
- Language:
- English
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