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Showing results 1 to 14 of 14 Search took 0.00 seconds. Search: Posts Made By: kbaker

Forum: CFX June 14, 2012, 07:37

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker In order I transform the problem to unsteady I... In order I transform the problem to unsteady I aware that I need to transform the analysis type to transient? Is there any steps I need to follow before applying the previous step? I check all the...

Forum: CFX June 13, 2012, 08:52

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker well if you read the warning message it as below:... well if you read the warning message it as below: Transient analyses require that initial conditions are specified unless an Initial Values file is specified at run-time I am wondered where the...

Forum: CFX June 13, 2012, 08:33

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker I not understand how to set an initial condition... I not understand how to set an initial condition for the domain? I went to default domain then activate initialisation but still get the same warning?

Forum: CFX June 13, 2012, 08:03

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker I need to make the whole problem unsteady because... I need to make the whole problem unsteady because I still face convergence difficulties with steady state solution you advice me to go through transient at your last posts if you remember (see the...

Forum: CFX June 12, 2012, 13:52

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker Glenn I attempt to change my problem to... Glenn I attempt to change my problem to transient but the following message appeared to me: In Analysis 'Flow Analysis 1' - Domain 'Default Domain': Transient analyses require that initial...

Forum: CFX June 6, 2012, 07:14

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker 2) You advice me still working with steady state... 2) You advice me still working with steady state simulations but without activating surface tension? 3) How much you think the better tolerance value for steady-state modeling?

Forum: CFX June 6, 2012, 06:46

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker Thanks a lot 1) I will take your advice about... Thanks a lot 1) I will take your advice about shifting to transient analysis. 2) I activate surface tension option because I am interested in generating waves at the interface furthermore I took...

Forum: CFX June 6, 2012, 05:08

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker Sorry here is it Sorry here is it

Forum: CFX June 6, 2012, 02:50

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker CEL: EXPRESSIONS: DenH = (DenWater... CEL: EXPRESSIONS: DenH = (DenWater - DenRef) DenRef = 1.225 [kg m^-3] DenWater = 1000 [kg m^-3] DownH = 0.008 [m] DownPres = DenH*g*DownVFWater*(DownH-y) ...

Forum: CFX June 6, 2012, 01:55

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker Glenn did you check the cfx-pre file I sent you?... Glenn did you check the cfx-pre file I sent you? You not reply me yet?

Forum: CFX June 4, 2012, 08:04

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker Hi Glenn I check the CCL file on the attached zip... Hi Glenn I check the CCL file on the attached zip file it full and nothing missing with it you can have a look at the Report.html file which contain the problem settings too or you can download my...

Forum: CFX June 3, 2012, 08:32

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker There is 10 nodes for water and 30 nodes for air?... There is 10 nodes for water and 30 nodes for air? The convergence is very well and I post my problem setup at the previous zip file in my first post you can have a look? Even if you need my cfx-pre...

Forum: CFX June 2, 2012, 10:51

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker Hi Glenn the mesh is equally spaced over the... Hi Glenn the mesh is equally spaced over the entire length there is 600 elements distributed over the 25 m length of the pipe (I draw the mesh in Gambit) while for the vertical dimension there is 40...

Forum: CFX June 1, 2012, 04:02

Replies: 24 Discontinuity at water level in stratified 2 phase flow Views: 3,732 Posted By kbaker Discontinuity at water level in stratified 2 phase flow Hi I am trying simulating stratified two phase air water flow in a pipe (its D=98.5 mm and length = 25 m while water level fixed at 8 mm) with CFX from couple of a days ago. I set the case as 2D I...

Showing results 1 to 14 of 14

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