Computational Science Stack Exchange is a question and answer site for scientists using computers to solve scientific problems. It only takes a minute to sign up.

Sign up to join this community

Anybody can ask a question

Anybody can answer

The best answers are voted up and rise to the top

Explore our Questions

Ask Question

more tags

Active Hot Week Month

1

vote

0

answers

16

views

Instability at the boundary of a finite difference simulation of a hyperbolic PDE

finite-element finite-difference fluid-dynamics advection-diffusion

modified 5 hours ago kevinkayaks 111

3

votes

1

answer

56

views

Discontinuous pressure elements for incompressible Navier-Stokes

finite-element fluid-dynamics navier-stokes

answered yesterday Wolfgang Bangerth 48.3k

1

vote

0

answers

56

views

Good non oscilliatory derivatives for an exsisting grid

finite-difference fluid-dynamics discretization navier-stokes oscillations

asked Oct 6 at 10:11 Twm1995 33

0

votes

1

answer

85

views

Simulating the behavior of falling peas

fluid-dynamics computational-physics

modified Sep 29 at 16:25 Rodrigo de Azevedo 704

3

votes

1

answer

57

views

Jos Stam's stable fluids — why is the timestep multiplied by the number of grid cells?

fluid-dynamics time-integration

answered Sep 27 at 15:13 dweber 131

1

vote

1

answer

37

views

Jos Stam's stable fluids — why multiply by the grid size when subtracting out the curl-free part?

fluid-dynamics

modified Sep 27 at 1:28 TheBusyTypist 317

2

votes

1

answer

72

views

Discretizing the viscous component in 1 - D Navier stokes compressive flow

fluid-dynamics finite-volume discretization navier-stokes hyperbolic-pde

modified Sep 24 at 8:28 ConvexHull 604

1

vote

1

answer

140

views

Non-reflective boundary condition

pde fluid-dynamics boundary-conditions

modified Sep 20 at 21:58 2Napasa 144

2

votes

0

answers

58

views

Multigrid method: linear solver and modified residual

linear-algebra fluid-dynamics algorithms multigrid

asked Sep 17 at 15:09 albiremo 352

2

votes

1

answer

113

views

What exactly are WENO schemes and where are they used?

fluid-dynamics weno

answered Sep 14 at 12:32 albiremo 352

2

votes

2

answers

75

views

Filter size of large eddy simulation with Smagorinsky sub-grid stress model

fluid-dynamics

answered Sep 7 at 13:47 albiremo 352

1

vote

0

answers

92

views

Weird "oscillatory" modes appearing in FEM simulations

finite-element fluid-dynamics comsol multiphysics

modified Aug 24 at 18:54 epsilonD3LT4 111

5

votes

1

answer

162

views

Write incompressible Navier Stokes as ODE in $(\mathbf{u},p)$

finite-element fluid-dynamics time-integration navier-stokes saddlepoint

modified Aug 5 at 15:58 Steven Roberts 804

3

votes

1

answer

160

views

Time discretization Navier Stokes equation

finite-element fluid-dynamics ode navier-stokes deal.ii

modified Aug 4 at 22:04 CommunityBot 1

Browse more Questions

Computational Science Stack Exchange works best with JavaScript enabled