A new absorbing boundary condition using an absorbing layer is presented for application to finite-difference time-domain (FDTD) calculation of the wave equation. This algorithm is by construction a hybrid between the Berenger perfectly matched layer (PML) algorithm and the one-way Sommerfeld algori
✦ LIBER ✦
A new absorbing layer for elastic waves
✍ Scribed by Daniel Appelö; Gunilla Kreiss
- Book ID
- 108164019
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 803 KB
- Volume
- 215
- Category
- Article
- ISSN
- 0021-9991
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## Abstract This paper develops a finite element scheme to generate the spatial‐ and time‐dependent absorbing boundary conditions for unbounded elastic‐wave problems. This scheme first calculates the spatial‐ and time‐dependent wave speed over the cosine of the direction angle using the Higdon's on