...ot straightforward in that context. Numerical results on uniform and adaptive grids were obtained and compared with biquadratic Lagrange interpolation introduced in in the case of a rotating Gaussian =-=[25]-=-. 6.4. Two-scale simulation of Maxwell and acoustics equations Participants: Sébastien Jund, Stéphanie Salmon, Eric Sonnendrücker. We have developped a numerical method for solving second order formul...