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spectral element

Element-by-element parallel spectral-element methods for 3-D teleseismic wave modeling

Element-by-element parallel spectral-element methods for 3-D teleseismic wave modeling

... the element-by-element parallel spectral-element method (EBE-SEM) for the efficient mod- eling of teleseismic plane-wave propagation in reduced mod- ...the spectral-element ...

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Chebyshev Spectral Element Analysis for Pore Pressure of ERDs during Construction Period

Chebyshev Spectral Element Analysis for Pore Pressure of ERDs during Construction Period

... Chebyshev spectral elements are applied to dissipation analysis of pore-pressure of roller compaction earth-rockfilled dams (ERD) during their ...finite element, for its excellent adaptability to complex ...

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Mortar spectral element discretization of the Stokes problem in domain with corners

Mortar spectral element discretization of the Stokes problem in domain with corners

... This work is an extension of our previous one where we dealt with Laplacian opera- tor []. We carried out the numerical analysis of the mortar spectral element method for the stokes problem. The domain is ...

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Spectral-element simulations of variable-density turbulent flow in a plane channel

Spectral-element simulations of variable-density turbulent flow in a plane channel

... employ spectral-element approach [1] which combines the accuracy of spectral methods and flexibility of finite-element approach allowing unstructured ...

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The spectral element method (SEM) on variable-resolution grids: evaluating grid sensitivity and resolution-aware numerical viscosity

The spectral element method (SEM) on variable-resolution grids: evaluating grid sensitivity and resolution-aware numerical viscosity

... grids, and thus we consider two resolution-aware exten- sions. The first is the straightforward extension of allow- ing the hyperviscosity coefficient ν to depend on the local element length scale. This approach ...

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A Petrov-Galerkin Spectral element technique for heterogeneous porous media flow

A Petrov-Galerkin Spectral element technique for heterogeneous porous media flow

... Approximation. Spectral element approximations have been shown to be an eective tool for the approximations of certain classes of partial dierential equations[9, ...a spectral multi-domain method ...

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Numerical modeling of seismic waves by discontinuous spectral element methods★

Numerical modeling of seismic waves by discontinuous spectral element methods★

... Galerkin Spectral Element (DGSE) methods on hybrid hexahedral/tetrahedral grids for the numerical modeling of the ground motion induced by large ...paradigm, Spectral Element blocks where ...

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Bubble collapse near a fluid-fluid interface using the spectral element marker particle method with applications in bioengineering

Bubble collapse near a fluid-fluid interface using the spectral element marker particle method with applications in bioengineering

... a Spectral Element Marker Parti- cle (SEMP) method for fully compressible bubble collapse prob- lems in both Newtonian ( Lind and Phillips, 2012 ) and viscoelastic fluids ( Lind and Phillips, 2013 ) with ...

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Penalty algorithm adapted for the spectral element discretization of the Darcy equations

Penalty algorithm adapted for the spectral element discretization of the Darcy equations

... finite element discretization to solve different problems (Stokes, Darcy, Navier–Stokes, ...in spectral element discretization [9, 10], this method has been only considered for the Stokes problem ...

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Solving the singular two-dimensional fourth order problem by the mortar spectral element method

Solving the singular two-dimensional fourth order problem by the mortar spectral element method

... In this paper we were interested in the numerical implementation of the mortar spectral method. We considered the biharmonic problem with a homogeneous boundary condi- tion. The Strang and Fix algorithm was ...

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Spectral element simulations of 3 D seismic wave propagation and applications to source and structural inversions

Spectral element simulations of 3 D seismic wave propagation and applications to source and structural inversions

... This rules out the possibility of carrying both the forward and the adjoint simulation simultaneously in the spectral-element simulation, where both wavefields would only be available at a given time t. One ...

154

Using Legendre spectral element method with Quasi-linearization method for solving Bratu's problem

Using Legendre spectral element method with Quasi-linearization method for solving Bratu's problem

... Legendre spectral element formulation of an improved time-splitting method is developed for the natural convection heat transfer problem in a square cavity by Wang and Qin ...

9

A Crank–Nicolson finite spectral element method for the 2D non stationary Stokes equations about vorticity–stream functions

A Crank–Nicolson finite spectral element method for the 2D non stationary Stokes equations about vorticity–stream functions

... finite element (FE) method (see, e.g., [1–4, 11, 12]), finite volume element (FVE) method (see, ...and spectral method (see [15–21]) are considered as to be four popular numerical ...the ...

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Spectral Element Simulation of Rotating Particle in Viscous Flow

Spectral Element Simulation of Rotating Particle in Viscous Flow

... Spectral element methods (SEM) are superior to general finite element methods (FEM) in achiev- ing high order accuracy through p-type ...the spectral convergence rate can be ...

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A Spectral Element Method Formulation for Rectangular thin Plates

A Spectral Element Method Formulation for Rectangular thin Plates

... finite element method, which was able to model beams and plates with arbitrary boundary ...continuous element method. Lee and Lee [12] applied the spectral element method to model Levy type ...

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Legendre spectral element method for solving sine Gordon equation

Legendre spectral element method for solving sine Gordon equation

... Legendre spectral element method for solving the sine-Gordon equation in one ...Legendre spectral element in space and then discretize the time by the second-order leap-frog ...

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The implementation of the mortar spectral element discretization of the heat equation with discontinuous diffusion coefficient

The implementation of the mortar spectral element discretization of the heat equation with discontinuous diffusion coefficient

... mortar spectral elements method of the heat ...finite element method of the stationary case of the aforementioned heat equation problem was considered in ...the spectral elements discretization in ...

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A spectral element formulation of the immersed boundary method for Newtonian fluids

A spectral element formulation of the immersed boundary method for Newtonian fluids

... The implication of using higher-order polynomial approximations on the velocity field local to the immersed boundary was also investigated. When low order polynomials and fine mesh widths are used the velocity field is ...

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UDNS or LES, That Is the Question

UDNS or LES, That Is the Question

... the spectral element method, a comparison is carried out on turbulent first- and second-order statistics generated by large eddy simulation (LES), under-resolved (UDNS) and fully resolved direct numerical ...

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NUMERICAL MODELING ANALYSIS AND SIMULATION OF WAVE PROPAGATION IN FLAT PANEL STRUCTURES USING TWO-DIMENSIONAL TRIANGULAR SPECTRAL FINITE ELEMENT

NUMERICAL MODELING ANALYSIS AND SIMULATION OF WAVE PROPAGATION IN FLAT PANEL STRUCTURES USING TWO-DIMENSIONAL TRIANGULAR SPECTRAL FINITE ELEMENT

... Triangular element consisting of fekete points distributed in it for meshing ...the spectral element method is known for its high degree of accuracy, its ability to handle complex model geometries, ...

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