TY - RPRT TI - Fractional Buffer Layers: Absorbing Boundary Conditions for Wave Propagation AU - Cai, Min AU - Kharazmi, Ehsan AU - Li, Changpin AU - Karniadakis, George Em PY - 2022 DO - 10.4208/cicp.oa-2021-0063 UR - https://www.osti.gov/biblio/1981280 ID - 1981280 ER -