Search Results - "Olshanskii, Maxim A."
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Unconditional long-time stability of a velocity–vorticity method for the 2D Navier–Stokes equations
Published in Numerische Mathematik (01-01-2017)“…We prove unconditional long-time stability for a particular velocity–vorticity discretization of the 2D Navier–Stokes equations. The scheme begins with a…”
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2
On conservation laws of Navier–Stokes Galerkin discretizations
Published in Journal of computational physics (15-05-2017)“…We study conservation properties of Galerkin methods for the incompressible Navier–Stokes equations, without the divergence constraint strongly enforced. In…”
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3
Interpolatory tensorial reduced order models for parametric dynamical systems
Published in Computer methods in applied mechanics and engineering (01-07-2022)“…The paper introduces a reduced order model (ROM) for numerical integration of a dynamical system which depends on multiple parameters. The ROM is a projection…”
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4
A Penalty Finite Element Method for a Fluid System Posed on Embedded Surface
Published in Journal of mathematical fluid mechanics (01-03-2019)“…The paper introduces a finite element method for the incompressible Navier–Stokes equations posed on a closed surface Γ ⊂ R 3 . The method needs a shape…”
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Recycling augmented Lagrangian preconditioner in an incompressible fluid solver
Published in Numerical linear algebra with applications (01-03-2022)“…The paper discusses a reuse of matrix factorization as a building block in the Augmented Lagrangian (AL) and modified AL preconditioners for nonsymmetric…”
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AN EULERIAN SPACE-TIME FINITE ELEMENT METHOD FOR DIFFUSION PROBLEMS ON EVOLVING SURFACES
Published in SIAM journal on numerical analysis (01-01-2014)“…In this paper, we study numerical methods for the solution of partial differential equations on evolving surfaces. The evolving hypersurface in ℝd defines a…”
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7
A quasi-Lagrangian finite element method for the Navier–Stokes equations in a time-dependent domain
Published in Computer methods in applied mechanics and engineering (01-05-2018)“…The paper develops a finite element method for the Navier–Stokes equations of incompressible viscous fluid in a time-dependent domain. The method builds on a…”
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8
An adaptive octree finite element method for PDEs posed on surfaces
Published in Computer methods in applied mechanics and engineering (01-07-2015)“…The paper develops a finite element method for partial differential equations posed on hypersurfaces in RN, N=2,3. The method uses traces of bulk finite…”
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A narrow-band unfitted finite element method for elliptic PDEs posed on surfaces
Published in Mathematics of computation (01-07-2016)“…This paper studies a method for solving elliptic partial differential equations posed on hypersurfaces in \mathbb{R}^N. The method allows a surface to be given…”
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10
Analysis and assessment of a monolithic FSI finite element method
Published in Computers & fluids (30-01-2019)“…•We devise unconditionally stable monolithic FSI finite element method in ALE variables.•It is assessed on experimental data from phase-contrast MRI of fluid…”
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11
A hybrid finite volume – finite element method for bulk–surface coupled problems
Published in Journal of computational physics (01-01-2018)“…The paper develops a hybrid method for solving a system of advection–diffusion equations in a bulk domain coupled to advection–diffusion equations on an…”
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12
A FINITE ELEMENT METHOD FOR ELLIPTIC EQUATIONS ON SURFACES
Published in SIAM journal on numerical analysis (01-01-2009)“…In this paper a new finite element approach for the discretization of elliptic partial differential equations on surfaces is treated. The main idea is to use…”
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13
AN ADAPTIVE SURFACE FINITE ELEMENT METHOD BASED ON VOLUME MESHES
Published in SIAM journal on numerical analysis (01-01-2012)“…In this paper we define an adaptive version of a recently introduced finite element method for numerical treatment of elliptic PDEs defined on surfaces. The…”
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14
A stabilized finite element method for advection-diffusion equations on surfaces
Published in IMA journal of numerical analysis (01-04-2014)“…A recently developed Eulerian finite element method (FEM) is applied to solve advection-diffusion equations posed on hypersurfaces. When transport processes on…”
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15
Finite stopping times for freely oscillating drop of a yield stress fluid
Published in Journal of non-Newtonian fluid mechanics (01-01-2017)“…•We devise variational inequality and energy balance for a free-surface flow of a yield-stress fluid.•The method of viscous potentials is used to study small…”
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FIELD-OF-VALUES CONVERGENCE ANALYSIS OF AUGMENTED LAGRANGIAN PRECONDITIONERS FOR THE LINEARIZED NAVIER—STOKES PROBLEM
Published in SIAM journal on numerical analysis (01-01-2011)“…We study a block triangular preconditioner for finite element approximations of the linearized Navier—Stokes equations. The preconditioner is based on the…”
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17
Multigrid analysis for the time dependent Stokes problem
Published in Mathematics of computation (01-01-2012)“…Certain implicit time stepping procedures for the incompressible Stokes or Navier-Stokes equations lead to a singular-perturbed Stokes type problem at each…”
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18
Analysis of semi-staggered finite-difference method with application to Bingham flows
Published in Computer methods in applied mechanics and engineering (15-02-2009)“…In this paper, a finite-difference scheme for incompressible flow problems is treated. The scheme uses non-staggered grid for velocity approximation. A special…”
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A finite element solver and energy stable coupling for 3D and 1D fluid models
Published in Computer methods in applied mechanics and engineering (01-06-2013)“…•New coupling conditions conserve the energy of 1D–3D coupled models of fluid flows.•A finite element method and a geometrical splitting numerical algorithm…”
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20
Velocity–vorticity–helicity formulation and a solver for the Navier–Stokes equations
Published in Journal of computational physics (01-06-2010)“…For the three-dimensional incompressible Navier–Stokes equations, we present a formulation featuring velocity, vorticity and helical density as independent…”
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