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https://journals.vilniustech.lt/index.php/MMA/article/view/1432 Calculating dispersion relations for waveguide immersed in perfect fluid | Mathematical Modelling... Apr 18, 2018 - Conventional finite element method (FEM) is capable of obtaining wave solutions, but large discretized structures at high frequency require high computational... dispersion relationsperfect fluidmathematical modellingcalculatingwaveguide https://www.ohsi.fr/de/produit-page/maria-galland-fluide-multi-protection-uni-perfect-390 Maria Galland Multischutz-Fluid Uni'Perfect 390 mariagallandfluiduniperfect