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Showing results 1 to 9 of 9 Search took 0.00 seconds. Search: Posts Made By: Andrea159357

Forum: Main CFD Forum May 3, 2019, 03:08

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 The case is ok, it was tested on a small model of... The case is ok, it was tested on a small model of 90° bend pipeline. The ricirculation is not present but plotting the streamline it can be seen the swirl after the curve. I know that trajectory...

Forum: Main CFD Forum May 2, 2019, 11:07

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 I tryed i different mesh with y+ = 300 so the... I tryed i different mesh with y+ = 300 so the aspect ratio and min orthogonal quality are far better. The first mesh is y+=30 with AR = 1300 an MinOQ = 0.05 The second mesh is y+=300 with AR =121...

Forum: Main CFD Forum May 2, 2019, 08:48

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 these are the screenshot of the particles that... these are the screenshot of the particles that seems like stuck in the boundary layer69750 69751 69752

Forum: Main CFD Forum May 2, 2019, 08:47

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 The main problem is that not all the particles... The main problem is that not all the particles escaped. Even if ai increse max number of time step, those particles remain insides because the keep oscillating in the boundary layer.

Forum: Main CFD Forum May 2, 2019, 08:36

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 These ara the residuals: continuity ... These ara the residuals: continuity x-velocity y-velocity z-velocity k epsilon 9.5933e-09 4.5807e-11 1.9709e-11 3.2791e-11 2.1988e-09 5.0063e-10

Forum: Main CFD Forum May 2, 2019, 08:14

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 Si, il campo di moto è stazionario Si, il campo di moto è stazionario

Forum: Main CFD Forum May 2, 2019, 07:56

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 Mi scusi, vuole uno screenshot del campo di moto?... Mi scusi, vuole uno screenshot del campo di moto? Le va bene un contour ed un vector field nel piano?

Forum: Main CFD Forum May 2, 2019, 03:52

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 Velocity has been calculated with Realizable... Velocity has been calculated with Realizable k-eps with scalable wall function. The model is 15 m pipe with 170 bar pressure and 350 k inlet temperature. Velocity at inlet is 22.6 m/s. y plus is...

Forum: Main CFD Forum April 30, 2019, 08:57

Replies: 14 Lagrangian Particle Tracking WRONG TRAJECTORY Views: 858 Posted By Andrea159357 Lagrangian Particle Tracking WRONG TRAJECTORY Does anyone know why i'm getting this kind of trajectory in a particle tracking simulation of a pipe?69702

Showing results 1 to 9 of 9

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