Found 1,033 Documents (Results 1–100)

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High-order compact finite volume schemes for solving the Reynolds averaged Navier-Stokes equations on the unstructured mixed grids with a large aspect ratio. (English)Zbl 07568556

MSC:  76Mxx 65Mxx 76Nxx
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Asymptotic analysis for Hamilton-Jacobi-Bellman equations on Euclidean space. (English)Zbl 07547897

MSC:  35B40 35F21 37J60
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New micromechanical model in time domain for linear viscoelastic composites with ellipsoidal reinforcements. (English)Zbl 07531674

MSC:  74E30 74D05 74M25
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Partially-averaged Navier-Stokes simulations of turbulence within a high-order flux reconstruction framework. (English)Zbl 07518097

MSC:  65Mxx 35Lxx 35Qxx
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An entropy-stable discontinuous Galerkin approximation of the Spalart-Allmaras turbulence model for the compressible Reynolds averaged Navier-Stokes equations. (English)Zbl 07518083

MSC:  65Mxx 76Mxx 76Fxx
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Energy-preserving fully-discrete schemes for nonlinear stochastic wave equations with multiplicative noise. (English)Zbl 07517148

MSC:  60Hxx 65Mxx 65Cxx
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Distinguished limits and drifts: between nonuniqueness and universality. (English. French summary)Zbl 07495618

MSC:  76D07 76B15
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Dilatancy in dry granular flows with a compressible $$\mu(I)$$ rheology. (English)Zbl 07500747

MSC:  76Txx 65Mxx 76Mxx
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Coupling of turbulence wall models and immersed boundaries on Cartesian grids. (English)Zbl 07500731

MSC:  76Mxx 76Dxx 76Fxx
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Higher order stroboscopic averaged functions: a general relationship with Melnikov functions. (English)Zbl 07493401

MSC:  34C29 34E10 34C25
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Laminar flow of a viscous liquid in the entrance region of a circular pipe. (English. Russian original)Zbl 07483352

Fluid Dyn. 56, No. 7, 954-966 (2021); translation from Prikl. Mat. Mekh. 85, No. 5, 601-614 (2021).
MSC:  76D05 76D10 76M45
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Numerical study of the influence of an obstacle on the flow around vertical axial wind turbine. (Russian. English summary)Zbl 1484.76084

MSC:  76U05 76F50 76M99
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Adjoint computation on anisotropic meshes in high-fidelity RANS simulations. (English)Zbl 1481.76142

Garanzha, Vladimir A. (ed.) et al., Numerical geometry, grid generation and scientific computing. Proceedings of the 10th international conference, NUMGRID 2020 / Delaunay 130, celebrating the 130th anniversary of Boris Delaunay, Moscow, Russia, November 25–27, 2020. Cham: Springer. Lect. Notes Comput. Sci. Eng. 143, 141-155 (2021).
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A generalised Serre-Green-Naghdi equations for variable rectangular open channel hydraulics and its finite volume approximation. (English)Zbl 1481.76028

Muñoz-Ruiz, María Luz (ed.) et al., Recent advances in numerical methods for hyperbolic PDE systems. NumHyp 2019. Selected papers based on the presentations at the 6th international conference on numerical methods for hyperbolic problems, Málaga, Spain, June 17–21, 2019. Cham: Springer. SEMA SIMAI Springer Ser. 28, 251-268 (2021).
MSC:  76B07 76M12
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Modelling of droplet impacts on dry and wet surfaces using depth-averaged form. (English)Zbl 07443349

MSC:  76D05 74M20
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Numerical investigation on the formation mechanism of ventilated cavitation with gas jet cavitator. (English)Zbl 07436756

MSC:  76N15 76M99
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Flow around a surface-mounted finite circular cylinder completely submerged within the bottom boundary layer. (English)Zbl 07436745

MSC:  76D25 76D10 76D17
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On the optimal relaxation parameters of Krasnosel’skiǐ-Mann iteration. (English)Zbl 07419476

MSC:  47H09 47H10 65J15
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Large-eddy simulation and streamline coordinate analysis of flow over an axisymmetric hull. (English)Zbl 1487.76048

MSC:  76F65 76F40 76M20
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On finite element approximation of aeroelastic problems with consideration of laminar-turbulence transition. (English)Zbl 1482.76080

Vermolen, Fred J. (ed.) et al., Numerical mathematics and advanced applications. ENUMATH 2019. Proceedings of the European conference, Egmond aan Zee, The Netherlands, September 30 – October 4, 2019. Cham: Springer. Lect. Notes Comput. Sci. Eng. 139, 949-957 (2021).
MSC:  76M10 76F06 74F10
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A POD-Galerkin reduced order model of a turbulent convective buoyant flow of Sodium over a backward-facing step. (English)Zbl 1479.76049

MSC:  76F35 76M12 80A19
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Modeling the influence of wind shear on reducing the drag of an energy-efficient high-level structure using a throttle effect. (Russian. English summary)Zbl 1479.76048

MSC:  76F10 76D05 76M12
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How close are shell models to the 3D Navier-Stokes equations? (English)Zbl 07371854

MSC:  76F55 76D05 35Q35
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Estimating the Lyapunov function and stability of motion of a system with equations of motion with an asymptotically expanded right-hand side. (English. Russian original)Zbl 1462.34082

Int. Appl. Mech. 57, No. 1, 11-18 (2021); translation from Prikl. Mekh., Kiev 57, No. 1, 20-28 (2021).
MSC:  34D08 34D05
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Averaged null controllability for some hyperbolic equations depending on a parameter. (English)Zbl 1458.35251

MSC:  35L20 93B05 74K20
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A passive model for the evolution of subgrid-scale instabilities in turbulent flow regimes. (English)Zbl 07491100

MSC:  76E17 76F25
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Dynamic homogenization of a chain with bistable springs. Statistical approach. (English)Zbl 1483.74082

Altenbach, Holm (ed.) et al., Nonlinear wave dynamics of materials and structures. Cham: Springer. Adv. Struct. Mater. 122, 77-96 (2020).
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A proof of validity for multiphase Whitham modulation theory. (English)Zbl 1472.35332

MSC:  35Q53 35C07
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Revisiting finite-scale Navier-Stokes theory: order-of-magnitude results, new critical values, and connections to Stokesian fluids. (English)Zbl 1479.76083

MSC:  76N06 76Q05 76L05
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CADD: a seamless solution to the domain decomposition problem of subdomain boundaries and cross-points. (English)Zbl 07328382

MSC:  74-XX 65-XX
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On the evolution of balloon satellite motions in a plane restricted planetary four-body problem with light pressure. (English. Russian original)Zbl 1465.70046

Mech. Solids 55, No. 7, 999-1012 (2020); translation from Prikl. Mat. Mekh. 84, No. 1, 26-43 (2020).
MSC:  70F10
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Regional averaged controllability for hyperbolic parameter dependent systems. (English)Zbl 1463.93009

MSC:  93B05 93C20 35L40
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A novel GPU-parallelized meshless method for solving compressible turbulent flows. (English)Zbl 1459.76118

MSC:  76M99 76F50 65Y05
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Large-time asymptotics of fundamental solutions for diffusion equations in periodic media and its application to averaging-theory estimates. (English. Russian original)Zbl 1448.35028

J. Math. Sci., New York 250, No. 4, 569-592 (2020); translation from Sovrem. Mat., Fundam. Napravl. 63, No. 2, 223-246 (2017).
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Averaged semi-discrete scheme of sum-approximation for one nonlinear multi-dimensional integro-differential parabolic equation. (English)Zbl 07251328

MSC:  65R20 45K05 65M06
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Numerical simulation of ski-jump hydraulic behavior. (English)Zbl 07250777

Sergeyev, Yaroslav D. (ed.) et al., Numerical computations: theory and algorithms. Third international conference, NUMTA 2019, Crotone, Italy, June 15–21, 2019. Revised selected papers. Part II. Cham: Springer. Lect. Notes Comput. Sci. 11974, 422-429 (2020).
MSC:  65-XX
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Andronov-Hopf bifurcation in logistic delay equations with diffusion and rapidly oscillating coefficients. (English. Russian original)Zbl 1447.35031

Math. Notes 108, No. 1, 50-63 (2020); translation from Mat. Zametki 108, No. 1, 47-63 (2020).
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On iteration improvement for averaged expected cost control for one-dimensional ergodic diffusions. (English)Zbl 1452.93037

MSC:  93E03 93C15 60H10
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Modeling turbulent flows in porous media. (English)Zbl 1439.76162

Davis, Stephen H. (ed.) et al., Annual review of fluid mechanics. Vol. 52. Palo Alto, CA: Annual Reviews. Annu. Rev. Fluid Mech. 52, 171-203 (2020).
MSC:  76S05 76F65 76-02
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MSC:  76-XX
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Output controllability in a long-time horizon. (English)Zbl 1440.93034

MSC:  93B05 93C15 49N05
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Stochastic partitioned averaged vector field methods for stochastic differential equations with a conserved quantity. (English)Zbl 1459.60127

MSC:  60H10 65C20 65C30
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Axisymmetric $$3D$$ Euler-$$\alpha$$ equations without swirl: existence, uniqueness, and Radon measure valued solutions. (English)Zbl 1454.76033

MSC:  76B47 35Q30
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Simply improved averaging for coupled oscillators and weakly nonlinear waves. (English)Zbl 1466.70025

MSC:  70K65 34C15 34C29
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The moderate deviation principle for a stochastic 3D LANS-$$\alpha$$ model driven by multiplicative Lévy noise. (Chinese. English summary)Zbl 1449.60035

MSC:  60F05 60F10 60H15

Numerical simulation of supersonic separated flow over inclined backward-facing step using RANS and LES methods. (Russian. English summary)Zbl 1448.76095

MSC:  76F65 76J20 76L05
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Analysis of the experimental data on the convective heating of a model Martian entry vehicle using algebraic turbulence models. (English. Russian original)Zbl 1434.76055

Fluid Dyn. 54, No. 6, 863-874 (2019); translation from Izv. Ross. Akad. Nauk, Mekh. Zhidk. Gaza 2019, No. 6, 129-139 (2019).
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The method of averaged models for discrete-time adaptive systems. (English. Russian original)Zbl 1441.93163

Autom. Remote Control 80, No. 10, 1755-1782 (2019); translation from Avtom. Telemekh. 2019, No. 10, 3-36 (2019).
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A remark on a surprising result by Bourgain in homogenization. (English)Zbl 1426.35012

MSC:  35A27 39A12
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Computational analysis of performance deterioration of a wind turbine blade strip subjected to environmental erosion. (English)Zbl 1467.74083

MSC:  74S05 74F10 76F10
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Modelling Atwood’s machine with three degrees of freedom. (English)Zbl 1459.70043

MSC:  70K43 34A34 34C60
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Prediction of aerodynamic flow fields using convolutional neural networks. (English)Zbl 1468.76051

MSC:  76M99 68T05 92B20
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Efficient energy-preserving scheme of the three-coupled nonlinear Schrödinger equation. (English)Zbl 1416.65270

MSC:  65M06 65M12 35Q55
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Small data scattering of semirelativistic Hartree equation. (English)Zbl 1406.35375

MSC:  35Q55 35Q53 35P25
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On the evolution of the angle of inclination of the axis of rotation of a planet in a planetary system in the nonresonance case. (Russian. English summary)Zbl 1473.70025

MSC:  70F15 70K65
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Shape and topological derivatives via one sided differentiation of the minimax of Lagrangian functionals. (English)Zbl 1407.49066

Schulz, Volker (ed.) et al., Shape optimization, homogenization and optimal control. DFG-AIMS workshop held at the AIMS Center Sénégal, Mbour, Sénégal, March 13–16, 2017. Cham: Birkhäuser. ISNM, Int. Ser. Numer. Math. 169, 227-257 (2018).
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A numerical method for the solution of the nonlinear turbulent one-dimensional free surface flow equations. (English)Zbl 1405.65094

MSC:  65M06 76B15 86A05
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Viscosity limit and deviations principles for a grade-two fluid driven by multiplicative noise. (English)Zbl 1420.60086

MSC:  60H15 60H30 35R60
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