[PDF] Top 20 Corner treatments for high-order local absorbing boundary conditions in high-frequency acoustic scattering

... propagation High-order methods This paper deals with the design and validation of accurate local absorbing boundary conditions set on convex polygonal and polyhedral ... Voir le document complet

... approximate local DtN boundary conditions to be applied on prolate spheroid-shaped exterior boundaries when solving acoustic scattering problems by elongated ...These conditions ... Voir le document complet

... the boundary (see e.g. [ 1 , 2 ]), and re- quire specific treatments at the corners of the ...compatibility conditions that preserve accuracy, but that are difficult to devise for complicated ... Voir le document complet

... methodologies for solving scattering prob- lems is very important to many applications such as sonar, radar, medical imag- ing, geophysical exploration, non destructive testing, ...especially in the ... Voir le document complet

... approximate local DtN boundary conditions to be applied on prolate spheroid-shaped exterior boundaries when solving acoustic scattering problems by elongated ...These conditions ... Voir le document complet

... par Zhang et al. (2005). Elle consiste à combiner deux échelles de temps: haute fréquence et basse fréquence pour obtenir un estimateur convergent de la volatilité intégrée. Une seconde approche développée par ... Voir le document complet

... frequencies in order to capture equally well the activities in all the ...spectrum in order to have a balance of power across ... Voir le document complet

... prerequisite for the replication and propagation of the diseases [ 19 ...Light Scattering (SLS). The Static Light Scattering (SLS) signal is an experimental measurement which describes the temporal ... Voir le document complet

... as high as 500 MHz was ...samples. In particular, ultrasonic attenuation was measured in an 800 µm aluminum plate to frequencies as high as 500 MHz; the thickness and ultrasonic attenuation at ... Voir le document complet

... here for applying the classical HBM with a large number of harmonics, without avoiding explicit ...present in the original system into purely polynomial quadratic ...recast in polynomial quadratic ... Voir le document complet

... where for instance optimal logarithmic stability is ob- ...to local stability) of the inverse map by using the adjoint state ...obtained. In the same spirit as in [2] we shall prove a general ... Voir le document complet

... subdomains, in the manner of ...Four frequency regimes were considered in this study: ka = 1 and ka = 2 (low-frequency), ka = 5 (resonance region), and ka = 10 (higher ...frequency). ... Voir le document complet

... fusion for energy production. One of the main requirements for achieving fusion is to heat the plasma particles to temperatures exceeding 100-200 million of degrees (10-20 ...waves in mega-watt range ... Voir le document complet

... given in Chapter ...peaks in Fig. 4.4(b): the first peak is identified to be a mode with a first order tangential structure and the second peak to a mode with a first order radial structure [121] ... Voir le document complet

... In dimensions n ≥ 4 there are very few results. In [1], an analogue of ...proved for potentials belonging to the Schwartz class, while in [11] dispersive estimates with a loss of (n−3)/2 ... Voir le document complet

... encountered in many fields of applied sciences. In cardiac electrophysiology, the electrical activity of the heart is described by a system of parabolic partial differential equations coupled with a system ... Voir le document complet

... Conclusions In this paper, we applied high-order finite volume WENO schemes to the non-local multi-class traffic flow model proposed in ...reconstructions in each cell to ... Voir le document complet

... on in vitro living tissues, we recreated the mechanical complexity of solid tumors with a reductionist ...powerful in vitro model that is widely used in standardized preclini- cal studies to ... Voir le document complet

... polynomial order [1] D. A. Di Pietro and J. Droniou, The Hybrid High-Order method for polytopal meshes, ...19 in Modeling, Simulation and Application, Springer International Publishing, ... Voir le document complet

... Acknowledgements This work was granted access to the HPC resources of CALMIP supercomputing center under the allocation 2017P17027 and to the HPC resources of Aix-Marseille Universit´ e financed by the project Equip@Meso ... Voir le document complet