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Why lattice Boltzmann despite its huge number of mesh points still has worse accuracy in comparison to FEM for calculating wall shear stress?

finite-element fluid-dynamics lattice-boltzmann-methods

modified 14 hours ago mu7z 1

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25

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Implementing Level Sets

fluid-dynamics

modified 20 hours ago nicoguaro♦ 5,300

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Order of Accuracy Measurements on 1D Advection Methods

finite-difference fluid-dynamics hyperbolic-pde advection accuracy

asked 22 hours ago lemdan 63

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17

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Why it doesn't matter to use velocity gradient or shear rate tensor to calculate wall shear stress?

fluid-dynamics

asked yesterday Alone Programmer 1,500

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Filtering out outliers in a vector field

fluid-dynamics data-analysis signal-processing

answered Feb 13 at 22:55 sharl 49

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“Moving piston in a shock tube” problem using unsteady, viscous and compressible flows

modified Feb 11 at 2:24 nicoguaro♦ 5,300

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56

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Defining appropriate test function spaces for the finite element solution of Euler's fluid equations

finite-element fluid-dynamics

asked Feb 1 at 15:11 Dan Burrows 121

1

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1

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111

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Application of Poiseuille equation

fluid-dynamics laminar-flow

modified Jan 28 at 16:13 Natasha 439

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0

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93

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Velocity self-advection stability problem with QUICK upwind scheme

fluid-dynamics

asked Jan 26 at 16:26 omgold 21

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2

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7k

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Use of machine learning in computational fluid dynamics

finite-difference fluid-dynamics machine-learning numerics

modified Jan 15 at 19:55 EngrStudent - Reinstate Monica 253

2

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1

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120

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mesh dependence of numerical adjoint solution

fluid-dynamics numerics mesh

modified Jan 10 at 19:52 EMP 1,347

2

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1

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68

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What is the correct way to calculate deviatoric stress tensor in lattice Boltzmann method?

fluid-dynamics navier-stokes lattice-boltzmann-methods

modified Jan 1 at 9:35 Refer to the following work in 1

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97

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What's a time centered Riemann problem?

fluid-dynamics meshless-methods

modified Dec 30 '19 at 17:01 Community♦ 1

5

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488

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Finite volume a posteriori error estimation

fluid-dynamics openfoam unstructured-mesh

modified Dec 26 '19 at 2:01 Community♦ 1

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