|
[Sponsors] |
boundary condition for streamline func and vorticity |
|
LinkBack | Thread Tools | Search this Thread | Display Modes |
June 16, 2018, 13:24 |
boundary condition for streamline func and vorticity
|
#1 | ||
Senior Member
A. Min
Join Date: Mar 2015
Posts: 308
Rep Power: 12 |
Hi all
I have a solved domain (2D flow around a circular cylinder) with U field. Now I want to calculate stream function with this formulation: Code:
omega = dv/dx - du/dy solve (laplacian (sai) = - omega) The BC for sai are: for top and bottom sai is calculated from the volumetric flux (Q = A.U_in) that is: Quote:
Quote:
Could you please help me? Are the equations and boundary C. correct? |
|||
June 16, 2018, 14:08 |
|
#2 | |
Senior Member
Santiago Lopez Castano
Join Date: Nov 2012
Posts: 354
Rep Power: 16 |
Quote:
|
||
June 16, 2018, 14:12 |
|
#3 | |
Senior Member
A. Min
Join Date: Mar 2015
Posts: 308
Rep Power: 12 |
Quote:
top and bottom are p=0 boundaries. I have tested this boundary for inlet, this is the same as linear distributed sai. About your question: "why do you expect to get the same results?" constant stream function is the same as stream line, isn't it?! If not, could you please tell me why? |
||
Tags |
boundary condition, streamline, vorticity |
Thread Tools | Search this Thread |
Display Modes | |
|
|