@techreport{barucq:inria-00180471, TITLE = {{Construction and performance analysis of local DtN absorbing boundary conditions for exterior Helmholtz problems. Part I : Elliptical shaped boundaries}}, AUTHOR = {Barucq, H{\'e}l{\`e}ne and Djellouli, Rabia and Saint-Guirons, Anne-Ga{\"e}lle}, URL = {https://inria.hal.science/inria-00180471}, TYPE = {Research Report}, NUMBER = {RR-6394}, PAGES = {30}, INSTITUTION = {{INRIA}}, YEAR = {2007}, KEYWORDS = {Absorbing boundary conditions ; elliptical coordinates ; Dirichlet-to-Neumann operator ; scattering problems}, PDF = {https://inria.hal.science/inria-00180471v3/file/RR-6394.pdf}, HAL_ID = {inria-00180471}, HAL_VERSION = {v3}, }