[PDF] Top 20 A simple Cartesian scheme for compressible multimaterials

... and a body-fitted mesh is generated once for ...in a simple and accurate ...is a fluid, the mapping from the physical to the reference domain can become very irregular or even singular ... Voir le document complet

... to a damage model. 6 Conclusions and future work We have presented a three-dimensional multimaterial model that describes the dynamics of the interaction between gas, liquids and elasto-plastic ...model ... Voir le document complet

... and a body-fitted mesh is generated once for ...in a simple and accurate ...is a fluid, the mapping from the physical to the reference domain can become very irregular or even singular ... Voir le document complet

... used for compressible non- viscous flows are in fact more sophisticated than the ones developed for Navier- Stokes ...equations. For example, Forrer and Jeltsch [15] computed integrals of ... Voir le document complet

... propose a simple Cartesian method to simulate the interaction of compressible materials separated by a sharp interface [ 2 ...in a fully Eulerian frame involving a unique ... Voir le document complet

... present a simple method for simulating isothermal compressible two-phase flows with mass ...accounts for phase change terms and phasic pressure unbalance. A study of the system ... Voir le document complet

... accurate for real-life ...in Cartesian coordinates devoted to the cylindrical ...of a node-based discretization of the numerical ...uses a gradient operator compatible with the divergence ... Voir le document complet

... with a 10-cell mesh and first order Godunov numerical ...Results for the same test case are also given in Fig 8 for a higher-order solver (MUSCL-Hancock scheme with the Superbee ... Voir le document complet

... available. For instance, one can perform a monotone piecewise linear reconstruction for the pressure and the velocity using a slope limiter, followed by the solution of the Riemann problem at ... Voir le document complet

... computing compressible low Mach number flow. A usual strategy consists in enhancing a HLLC (Harten–Lax–van Leer- Contact) solver with a preconditioning method [14,49] to improve the spatial ... Voir le document complet

... [1] for the model and [2] for numerical ...numerical scheme presented in that paper is relatively complicated and has the disadvan- tage that the interface is diffused over a certain number of ... Voir le document complet

... Multimaterial scheme, Sharp interface, Second ...just a few ...through a constitutive law reproducing the mechanical characteristics of the medium under ...Hence, for example, an elastic ... Voir le document complet

... developed a numerical scheme to solve the Eulerian equations of conservation ...This scheme is based on a directional splitting on a fixed cartesian mesh where the fluxes are ... Voir le document complet

... is a very strong limit for rigid materials. Except for specific problems such as impacts or in general fast-dynamical processes, the relevant physical phenomena take place on the time scale ... Voir le document complet

... is a significant increase in the electrical con- ductivity and permeability of the cell membrane that occurs when pulses of large amplitude (a few hundred volts per centimeter) are applied to the cells: due ... Voir le document complet

... A Simple absorber for walking vibrations Allen, D. E.; Pernica, G. https://publications-cnrc.canada.ca/fra/droits L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions ... Voir le document complet

... around a pitching NACA 0012 airfoil. Two configurations are investigated: a subsonic laminar flow with high frequency and high amplitude pitching motion, and a transonic inviscid flow with very low ... Voir le document complet

... on cartesian grids, for instance [18]. Other classes of Cartesian methods also exist, only first order accurate for interface problems in the case of interface problems, but simpler to ... Voir le document complet

... performance A software is developed to evaluate and compare the production costs of these different configurations including the material and manufacturing ...interesting for this application as the welded ... Voir le document complet

... used for these tests. We note that a sharp spectral response to the filter implies a broad-structure weighting function in the con- volution, and that the increase of the stencil width im- proves the ... Voir le document complet