|
[Sponsors] |
February 9, 2015, 01:22 |
problem with periodic BC
|
#1 |
Member
joseph
Join Date: Jan 2015
Posts: 32
Rep Power: 11 |
hi friends, when i applied periodic BC at the inlet and outlet of a 2D unitcell of a microchannel with specified mass flow rate, i got a seemingly unphysical pressure variation along the centre line with negative pressure towards the downstream end. But when i avoid the periodic BC and arrange unitcells in series with velocity inlet and pressure outlet BCs i get finite pressure drop. Why the periodic BC is not working? why the negative pressure? can you help me to solve this problem...?
|
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Periodic and projection problem | crostolo | Pointwise & Gridgen | 9 | March 7, 2017 02:48 |
Problem in generating a periodic boundary | Adhillon111 | Mesh Generation & Pre-Processing | 0 | October 28, 2014 02:17 |
Problem with Axis of rotation in Periodic BC | mohammad | STAR-CCM+ | 2 | September 5, 2014 05:33 |
3Dimensional periodic boundary condition bench mark problem for incompressible | HaKu | Main CFD Forum | 0 | September 7, 2011 13:48 |
periodic flow problem | Alok Gupta | FLUENT | 1 | November 19, 2003 07:05 |