[PDF] Top 20 Nonlinear corrector for RANS equations
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Nonlinear corrector for RANS equations
... The corrector is then validated on a turbulent case with the same geometry, at a Reynolds number of 5 × 10 5 with the Sapalart-Allmaras turbulence ...generate for each mesh its h/2 subdivision and compute ... Voir le document complet
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Data-Driven Deterministic Symbolic Regression of Nonlinear Stress-Strain Relation for RANS Turbulence Modelling
... models for the Reynolds-Averaged Navier-Stokes (RANS) ...polynomials, for which optimal coe fficients are found using Bayesian ...targets for the symbolic regres- ... Voir le document complet
14
Error analysis of a dynamic model adaptation procedure for nonlinear hyperbolic equations
... to nonlinear hyperbolic systems of PDE’s. Model adaptation for several of these applications have already been addressed in [ 25 ] by the authors, in a more heuristic way due to the complexity of the ... Voir le document complet
31
Roe Solver with Entropy Corrector for Uncertain Hyperbolic Systems
... method for nonlinear hyperbolic systems using a Finite Volume (FV) discretization in physical space and a piecewise continuous representation [2, 9, 15] at the stochastic ...deterministic equations ... Voir le document complet
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Comparison of ANM and Predictor-Corrector Method to Continue Solutions of Harmonic Balance Equations
... 1 for AFT-PreCo generally ...already for H = 1 near the primary resonance and for H = 3 near the 1 : 3 super-harmonic resonance ...results for cHB considerably deviate from the ...the ... Voir le document complet
27
Scaling limits and stochastic homogenization for some nonlinear parabolic equations
... results for periodic and almost periodic ...(approximate corrector) of a regularized version of the corrector equation with small second derivative in time to make the problem uniformly elliptic set ... Voir le document complet
44
Scaling limits and stochastic homogenization for some nonlinear parabolic equations
... results for periodic and almost periodic ...(approximate corrector) of a regularized version of the corrector equation with small second derivative in time to make the problem uniformly elliptic set ... Voir le document complet
43
Weakly localized states for nonlinear Dirac equations
... equation for (65) is given by the ODE (19). Looking for critical points of (65) one may try to prove that it has a linking geometry ( see ...also for elliptic PDEs as shown, for instance, in ... Voir le document complet
21
Quadratic expansions and partial regularity for fully nonlinear uniformly parabolic equations
... The argument for the partial regularity result is similar to the idea outlined in [1]. We apply a result of Wang [15], which asserts that any viscosity solution of (1.1) which is sufficiently close to a quadratic ... Voir le document complet
35
Solvability for nonlinear systems of differential equations with two arbitrary orders
... Lemma 4. Let s > r > 0, f ∈ L 1 ([a, b]). Then D r I s f (t) = I s−r f (t), t ∈ [a, b] . To study the coupled system (1) , we need the following two lemmas [7]: Lemma 5. For α > 0, the general solution of ... Voir le document complet
14
A nonlinear Discrete Duality Finite Volume Scheme for convection-diffusion equations
... a nonlinear DDFV scheme for drift diffusion equations that preserves the positivity of the solutions and enforces the decay of the free ...that for this purpose, it is necessary to add a ... Voir le document complet
9
Resonant averaging for small-amplitude solutions of stochastic nonlinear Schrödinger equations
... Resonant averaging for small-amplitude solutions of stochastic nonlinear Schr¨ odinger equations Sergei Kuksin CNRS and IMJ, Universit´e Paris Diderot-Paris 7, Paris, France kuksin@math.[r] ... Voir le document complet
40
Fully nonlinear stochastic partial differential equations: non-smooth equations and applications
... about equations like ...fully nonlinear character of the equations seems to make them inaccessible to the classical martingale theory employed for the linear ...the equations can not be ... Voir le document complet
12
Elimination and nonlinear equations of Rees algebra
... As it turns the free k[T 0 , . . . , T n ]-modules (Jhℓi/Jhℓ − 1i) µ are crucial in writing a free k[T 0 , . . . , T n ]-resolution of the module (S I ∗ ) µ (µ a threshold integer). This resolution is given in Corollary ... Voir le document complet
20
Convergence of a positive nonlinear DDFV scheme for degenerate parabolic equations
... meshes. For example, in Hydrology, most geological layers are quite deformed, then the meshes used to discretize the field should be ...satisfied for most of the ...hold for all sort of ...method ... Voir le document complet
31
A 3D DISCRETE DUALITY FINITE VOLUME METHOD FOR NONLINEAR ELLIPTIC EQUATIONS
... observed for finite volume schemes, but it remains an open problem for general meshes, even for ...lies for test 1 in [0, 12] and for test 2, 3, 4 in [−1, 1], we observe in table ... Voir le document complet
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A 3D DISCRETE DUALITY FINITE VOLUME METHOD FOR NONLINEAR ELLIPTIC EQUATIONS
... Hence, our innovative scheme is based on a three meshes finite volume formula- tion. The diamond cells have 6 vertexes organized in 3 pairs, defining 3 independent directions in R 3 . The approximate gradient is easily ... Voir le document complet
11
Numerical methods for the bidimensional Maxwell–Bloch equations in nonlinear crystals
... Bloch equations and is replaced in the Maxwell equations by its expression as a function of the density matrix and the electric ...Bloch equations are solved using a splitting scheme: the Hamiltonian ... Voir le document complet
32
New results for a weighted nonlinear system of fractional integro-differential equations
... Ntouyas: Existence results for first order boundary value problems for fractional differential equations and inclusions with fractional integral boundary conditions.. Journal of Fractiona[r] ... Voir le document complet
10
Convexity estimates for nonlinear elliptic equations and application to free boundary problems
... Abstract. We prove the convexity of the set which is delimited by the free bound- ary corresponding to a quasi-linear elliptic equation in a 2-dimensional convex do- main. The method relies on the study of the curvature ... Voir le document complet
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