TY - RPRT TI - A Variable Grid FDM Technique for Treating Solid-Liquid and Solid-Air Boundaries in Wave Propagation Modeling of Elastic Waves. Task 2, Computer Program AU - Pitarka, A. PY - 2012 DO - 10.2172/1090825 UR - https://www.osti.gov/biblio/1090825 ID - 1090825 ER -