Search Results

User Name Remember Me Password

Showing results 1 to 25 of 25 Search took 0.00 seconds. Search: Posts Made By: cfd seeker

Forum: CFX November 10, 2018, 06:18

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker I tried this but didn't work. I... I tried this but didn't work. I will try this after the weekend. Another thing....as i mentioned in my previous posts that when i activated the Non-overlap condition and defined the mesh...

Forum: CFX November 8, 2018, 15:02

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker I think i have found the reason why the mesh on... I think i have found the reason why the mesh on the interface is deforming. It is written in the Modelling guide that when deforming mesh is used with the Conservative Interface Flux (condition at...

Forum: CFX November 8, 2018, 05:43

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Hi Glenn, thanks for your reply. That alaso... Hi Glenn, thanks for your reply. That alaso didn't help. But in the Domain Interface when I activated the 'Nonoverlap Condition' then the mesh on the Interface is not moving. Is this mean...

Forum: CFX November 7, 2018, 02:49

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker thanks for your reply. You can find the ccl of... thanks for your reply. You can find the ccl of the case attached as a text document in the post. In this case i have defined both the domains as Stationary so as to only model the movement of...

Forum: CFX November 6, 2018, 02:47

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Image6 and Image 7 in this post. 66605 ... Image6 and Image 7 in this post. 66605 66606

Forum: CFX November 6, 2018, 02:46

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Hi, thanks for the reply. Image1:... Hi, thanks for the reply. Image1: shows the full model Image2: shows 5 pistons as rotating domain Image3: shows the stationary domain comprising of inlet and outlet ports

Forum: CFX November 5, 2018, 09:47

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Hi, thanks a lot for your reply. I will look... Hi, thanks a lot for your reply. I will look at your example. I am facing another problem. The pistons are getting the right movement but the interface side which is on the rotating domain...

Forum: CFX November 1, 2018, 12:06

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker I am not sure if I place a local coordinate... I am not sure if I place a local coordinate system on a rotating face then the local coordinate system will rotate with it not? If domain is rotating and i also specify a rotation for local...

Forum: CFX November 1, 2018, 12:02

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker If the geomtery is not centered around Global... If the geomtery is not centered around Global axis (0,0,0) then is there a way to move the mesh to centre in CFX or i have to go back and reorient it in meshing module? The second option is to...

Forum: CFX November 1, 2018, 11:48

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Yes please share the example. Yes please share the example.

Forum: CFX October 31, 2018, 10:43

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Just a simple question. When I load the mesh in... Just a simple question. When I load the mesh in CFX then CFX automatically places Global coordinate system centre at the centre of body as shown by the red dot in the attached figure. 66501 I am...

Forum: CFX October 31, 2018, 05:23

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Even with frozen Rotor it's not working because I... Even with frozen Rotor it's not working because I think the pistons are not getting the right motion. For the mesh motion i have defined 5 local coordinate systems at the interface surface of...

Forum: CFX October 31, 2018, 03:21

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker For the interface model which model i can use?... For the interface model which model i can use? When I am using the transient-rotor stator I am getting the following error as seen in the figure attached with the post. 66470 Any idea?

Forum: CFX October 26, 2018, 08:40

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker thanks for your help. I will try this and will... thanks for your help. I will try this and will share the results. One more thing. If i include the connecting wall between suction and pressure ports and just consider it as a part of interface...

Forum: CFX October 26, 2018, 08:23

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker ok but if I don't include the connecting wall... ok but if I don't include the connecting wall then the mesh of suction and pressure sides will be totally disconnected from eachother and the interface side of stationary parts will be discontinous...

Forum: CFX October 26, 2018, 06:50

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker I am attaching the figure of new model with 10 mu... I am attaching the figure of new model with 10 mu gap so that you can understand what exactly I mean. If i model this extra 10 mu domain then i can define interface. But if i leave this out then...

Forum: CFX October 26, 2018, 04:42

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker [QUOTE=Gert-Jan;712458]I thought the zero... [QUOTE=Gert-Jan;712458]I thought the zero thickness wall was the gap of 10 mu.QUOTE] No between pistons and suction port/pressure port/wall separating suction and pressure ports is a small gap of...

Forum: CFX October 24, 2018, 10:14

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker thanks for your help. I cannot understand how... thanks for your help. I cannot understand how there there will be fluid everywhere on inner side of interface? As this interface also includes the zero thickness wall which separates pressure and...

Forum: CFX October 24, 2018, 09:27

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker sorry i didn't understand fully. How i can allow... sorry i didn't understand fully. How i can allow the interface to coincide with the outer wall of chamber? Inbetween the suction and delivery chambers there is a separating wall where there will be...

Forum: CFX October 24, 2018, 08:59

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker [QUOTE=Gert-Jan;712419]Yes you need an interface.... [QUOTE=Gert-Jan;712419]Yes you need an interface. I think the right location will be as indicated by the green circle, see my attachement. QUOTE] Actually the figure i attached with the post is...

Forum: CFX October 24, 2018, 06:21

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker I didn't understand how there will be no... I didn't understand how there will be no interface for the moving mesh case? The pistons volume is getting bigger or smaller as they are rotating inside the eccentric ring, so the moving mesh will be...

Forum: CFX October 24, 2018, 03:15

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker The clearance between Rotor( in which pistons are... The clearance between Rotor( in which pistons are moving) and inlet&outlet ports is just 10 microns :(. I am not sure if CFX will be able to handle it even if i get to resolve this small region with...

Forum: CFX October 24, 2018, 03:08

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Thanks for your reply. I have till yet no... Thanks for your reply. I have till yet no experience with immersed solids but i will read about it. Can you briefly explain here what is the advantage of using immersed solid over moving mesh...

Forum: CFX October 23, 2018, 12:58

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Sorry I forgot to attach the image. The figure is... Sorry I forgot to attach the image. The figure is attached with this post. 66281

Forum: CFX October 23, 2018, 10:37

Replies: 49 Simulation of Radial piston pump Views: 2,974 Posted By cfd seeker Simulation of Radial piston pump Hello everyone, I want to model the radial piston pump of rotating cylinder type in CFX as shown in the attached image. The cylinders are enclosed inside the rotating Rotor which rotates inside...

Showing results 1 to 25 of 25

Forum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home General Forums     Main CFD Forum     System Analysis     Structural Mechanics     Electromagnetics     CFD Freelancers     Hardware     Lounge Software User Forums     ANSYS         CFX         FLUENT             Fluent Multiphase             Fluent UDF and Scheme Programming         ANSYS Meshing & Geometry     Autodesk Simulation CFD     AVL FIRE     COMSOL     CONVERGE     Fidelity CFD     FloEFD, FloWorks & FloTHERM     FLOW-3D     OpenFOAM         OpenFOAM News & Announcements             OpenFOAM Announcements from ESI-OpenCFD             OpenFOAM Announcements from OpenFOAM Foundation             OpenFOAM Announcements from Other Sources         OpenFOAM Installation         OpenFOAM Meshing & Mesh Conversion         OpenFOAM Pre-Processing         OpenFOAM Running, Solving & CFD         OpenFOAM Post-Processing         OpenFOAM Programming & Development         OpenFOAM Verification & Validation         OpenFOAM Community Contributions             OpenFOAM CC Toolkits for Fluid-Structure Interaction         OpenFOAM Journal         OpenFOAM Bugs     Phoenics     REEF3D         REEF3D News & Announcements     Siemens         STAR-CCM+         STAR-CD     SU2         SU2 News & Announcements         SU2 Installation         SU2 Shape Design Mesh Generation & Pre-Processing Software     ANSA     enGrid     GridPro     Pointwise & Gridgen Visualization & Post-Processing Software     EnSight     FieldView     ParaView     Tecplot Special Topics     Mesh Generation & Pre-Processing     Visualization & Post-Processing CFD Online Community     Site News & Announcements     Site Help, Feedback & Discussions     CFD-Wiki