@techreport{barucq:hal-01218784, TITLE = {{A Symmetric Trefftz-DG Formulation based on a Local Boundary Element Method for the Solution of the Helmholtz Equation}}, AUTHOR = {Barucq, H{\'e}l{\`e}ne and Bendali, Abderrahmane and Fares, M and Mattesi, Vanessa and Tordeux, S{\'e}bastien}, URL = {https://inria.hal.science/hal-01218784}, TYPE = {Research Report}, NUMBER = {RR-8800}, PAGES = {31}, INSTITUTION = {{INRIA Bordeaux}}, YEAR = {2015}, MONTH = Oct, KEYWORDS = {integral equations ; ultra-weak variational formulation ; Dirichlet-to-Neumann operator ; Boundary Element Method ; Helmholtz equation ; Discontinuous Galerkin method ; Trefftz method ; pollution effect ; {\'e}quations int{\'e}grales ; op{\'e}rateur de Dirichlet-to-Neumann ; Pollution num{\'e}rique ; dispersion ; m{\'e}thode de type Trefftz ; m{\'e}thode Galerkine Discontinue ; m{\'e}thode {\'e}l{\'e}ments de fronti{\`e}re ; formulation variationnelle ultra faible ; Equation de Helmholtz}, PDF = {https://inria.hal.science/hal-01218784/file/RR-8800.pdf}, HAL_ID = {hal-01218784}, HAL_VERSION = {v1}, }