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Showing results 1 to 25 of 28 Search took 0.00 seconds. Search: Posts Made By: Mehar

Forum: Main CFD Forum July 23, 2019, 15:38

Replies: 0 High Pressure Steam release to atmosphere Views: 561 Posted By Mehar High Pressure Steam release to atmosphere This might be a very trivial question. I have been trying to figure out but did not succeed due to lack of my background. It will be very helpful, if someone can explain If high pressure steam...

Forum: OpenFOAM Running, Solving & CFD October 29, 2017, 06:58

Replies: 2 How to model release of steam to the atmosphere! Views: 1,472 Posted By Mehar Thank you Kirk Jarvis for your help. I will... Thank you Kirk Jarvis for your help. I will definitely look into rhoPimpleFoam as a start for this problem.

Forum: OpenFOAM Running, Solving & CFD October 25, 2017, 23:44

Replies: 2 How to model release of steam to the atmosphere! Views: 1,472 Posted By Mehar How to model release of steam to the atmosphere! Dear All, I want to solve the problem of steam release to the atmosphere from a pressure relief valve. The release is expected at a height (~30m from ground) in vertically upward direction. The...

Forum: OpenFOAM July 5, 2017, 21:43

Replies: 3 How to generate the streamline from inlet to outlet of a pump Views: 2,349 Posted By Mehar Hi, It would be helpful to post the image of what... Hi, It would be helpful to post the image of what you got. Anyway, there are a couple of controls that you can use to make streamlines better looking, 1. You have the option to choose between point...

Forum: OpenFOAM Running, Solving & CFD March 31, 2017, 03:33

Replies: 13 keyword Phi is undefined in dictionary Views: 3,079 Posted By Mehar I never used OpenFoam with simFlow...what I can... I never used OpenFoam with simFlow...what I can guess is that while preparing your case using simFlow...there will be some option to define Phi... Sent from my LG-F600L using CFD Online Forum...

Forum: OpenFOAM Running, Solving & CFD March 31, 2017, 03:10

Replies: 13 keyword Phi is undefined in dictionary Views: 3,079 Posted By Mehar Could u copy ur run script Sent from my... Could u copy ur run script Sent from my LG-F600L using CFD Online Forum mobile app (http://r.tapatalk.com/byo?rid=72961)

Forum: OpenFOAM Running, Solving & CFD March 31, 2017, 02:57

Replies: 13 keyword Phi is undefined in dictionary Views: 3,079 Posted By Mehar Please check your run script... Sent from my... Please check your run script... Sent from my LG-F600L using CFD Online Forum mobile app (http://r.tapatalk.com/byo?rid=72961)

Forum: OpenFOAM Running, Solving & CFD March 31, 2017, 02:41

Replies: 13 keyword Phi is undefined in dictionary Views: 3,079 Posted By Mehar In that case....please confirm that file is not... In that case....please confirm that file is not replaced during the run....Looks like when you run your simulation...it copies fvsolution file from some other location and replaces the existing...

Forum: OpenFOAM Running, Solving & CFD March 31, 2017, 01:44

Replies: 13 keyword Phi is undefined in dictionary Views: 3,079 Posted By Mehar Define in fvsolver file as phi { $p; ... Define in fvsolver file as phi { $p; } Sent from my LG-F600L using CFD Online Forum mobile app (http://r.tapatalk.com/byo?rid=72961)

Forum: OpenFOAM Running, Solving & CFD December 14, 2016, 00:41

Replies: 1 Can we use MPPICFoam or DPMFoam for particle transport in open environment? Views: 905 Posted By Mehar Can we use MPPICFoam or DPMFoam for particle transport in open environment? Hi everyone, I am working on a problem, involving particle transport in open environment. Can we use MPPICFoam or DPMFoam? Thanks

Forum: Main CFD Forum December 1, 2016, 23:03

Replies: 0 High inlet Turbulence vs Low inlet Turbulence Views: 1,032 Posted By Mehar High inlet Turbulence vs Low inlet Turbulence Hi everyone, I am simulating steady state flow around a set of buildings using k epsilon model. The problem I am facing is that, if I set higher values of inlet turbulence (40%), I get a well...

Forum: OpenFOAM Running, Solving & CFD October 19, 2016, 10:11

Replies: 4 How to define a spatial source in ScalarTransportFoam? Views: 1,704 Posted By Mehar Hi, y_jiang... Its an old thread, but I hope I... Hi, y_jiang... Its an old thread, but I hope I can get a reply from you for how you actually solved your problem, and I am also working on scalarTransportFoam, and I want to include a sink to it,...

Forum: OpenFOAM Programming & Development September 20, 2016, 06:40

Replies: 0 Using fvOptions for pollutant sink Views: 1,031 Posted By Mehar Using fvOptions for pollutant sink Hi everyone, I have a problem in hand involving transport of a pollutant (concentration) in a given velocity field. I am using scalarTransportFoam for this purpose on a pre-calculated velocity...

Forum: Main CFD Forum August 31, 2016, 05:30

Replies: 1 Modeling toxic material transport in open environment, but closer to buildings Views: 910 Posted By Mehar Modeling toxic material transport in open environment, but closer to buildings Hi All, I have a problem in hand, where I have to model toxic material transport in open environment involving wind, but releasing from some hole in a large scale building. This toxic material...

Forum: OpenFOAM Running, Solving & CFD August 21, 2016, 09:01

Replies: 1 How to add a Sink for Passive Scalar Views: 944 Posted By Mehar Anyone can help....! Anyone can help....!

Forum: OpenFOAM Running, Solving & CFD August 20, 2016, 10:01

Replies: 1 How to add a Sink for Passive Scalar Views: 944 Posted By Mehar How to add a Sink for Passive Scalar Hi everyone, I am trying to simulate transport of a gas (passive scalar) in a flow field (air) using scalarTransportFoam. One of the patches acts as a suction, where gas should be collected. Which...

Forum: OpenFOAM Running, Solving & CFD March 14, 2016, 18:59

Replies: 3 fixedValue Outlet Views: 1,041 Posted By Mehar So, I am attaching my experimental setup, in case... So, I am attaching my experimental setup, in case someone needs to see it. I am using simpleFoam with SA model. The velocity caused by Fan at exhaust points 1-4 is known. Thank You! Regards...

Forum: OpenFOAM Running, Solving & CFD March 14, 2016, 12:36

Replies: 3 fixedValue Outlet Views: 1,041 Posted By Mehar Isn't it a valid question? Isn't it a valid question?

Forum: OpenFOAM Running, Solving & CFD March 13, 2016, 00:11

Replies: 3 fixedValue Outlet Views: 1,041 Posted By Mehar Anyone...any idea? Please help! Anyone...any idea? Please help!

Forum: OpenFOAM Running, Solving & CFD March 12, 2016, 13:31

Replies: 3 fixedValue Outlet Views: 1,041 Posted By Mehar fixedValue Outlet Hi everyone, I have an experimental setup inside a closed chamber. The air is injected to the chamber through nozels. There are four exhaust holes for venting chamber using a fan. Velocity...

Forum: OpenFOAM Running, Solving & CFD December 17, 2015, 15:21

Replies: 0 Initialization using PotentialFoam Views: 1,564 Posted By Mehar Initialization using PotentialFoam Hi guys! Usually it is recommended to initialize U and P using PotentialFoam, Is this recommended for flows involving multiple inlets inside domain? I observed that while I initialized this kind...

Forum: OpenFOAM Running, Solving & CFD December 11, 2015, 10:03

Replies: 2 Anomoly in Drag Coefficent Views: 948 Posted By Mehar Thank you sergiu tofanel for the interest. The... Thank you sergiu tofanel for the interest. The problem is not of the convergence, my solution is converged and all the forces and the coefficients are stable. The problem is with the negative Cd...

Forum: OpenFOAM Running, Solving & CFD December 11, 2015, 00:06

Replies: 2 Anomoly in Drag Coefficent Views: 948 Posted By Mehar Anomoly in Drag Coefficent Hi I am simulating air flow around a building (dome like) using OpenFoam (Re ~10^7). The problem is with the drag coefficent. The drag coefficent calculated while using upwind scheme for...

Forum: Main CFD Forum September 22, 2015, 04:25

Replies: 4 Selection of Design Parameters Views: 1,254 Posted By Mehar Thanks For Your Interest D.B! I have shared... Thanks For Your Interest D.B! I have shared domain image with my 1st post, but I think it was not visible (My bad), however, I am sharing it again. The ultimate aim is to contain and collect...

Forum: Main CFD Forum September 21, 2015, 06:29

Replies: 4 Selection of Design Parameters Views: 1,254 Posted By Mehar Any Suggestions! Any Suggestions!

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