999 resultados para NLS-like equations


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Starting from the second-order finite volume scheme,though numerical value perturbation of the cell facial fluxes, the perturbational finite volume (PFV) scheme of the Navier-Stokes (NS) equations for compressible flow is developed in this paper. The central PFV scheme is used to compute the one-dimensional NS equations with shock wave.Numerical results show that the PFV scheme can obtain essentially non-oscillatory solution.

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A set of new formula of energy functions for ferroelectrics was proposed, and then the new basic equations were derived in this paper. The finite element formulation based on the new basic equations was improved to avoid the equivalent nodal load produced by remnant polarization. With regard to the fundamentals of mathematics and physics, the new energy functions and basic equations are reasonable for the material element of ferroelectrics in finite element analysis.

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Southend Adult Community College hosts a regular Middle Eastern and Egyptian dance class for all ages and abilities. For a performing art such as dance, learning and self-review aids such as mirrors are essential for improving technique and attainment. The Egyptian Dance course is very popular with many students enrolled. Therefore, sessions need to take place in a large hall within the college. Through inspired innovation and improvisation, the class now have an extremely useful reflective teaching aid using cameras and projectors.