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Search: Posts Made By: CFDST
Forum: CFX February 8, 2014, 14:43
Replies: 84
Views: 24,615
Posted By CFDST
And the second problem is about a Gambit extract:...

And the second problem is about a Gambit extract:

2.Now I'm running my simulation with a Gambit geometry and mesh, but as I don't like the mesh in Gambit I want to create my model with a Gambit...
Forum: CFX February 8, 2014, 14:31
Replies: 84
Views: 24,615
Posted By CFDST
Thank you a lot. I have figured out why my...

Thank you a lot. I have figured out why my simulation was returning with code for overflow. This was due to the gambit spliting and meshing. I have splited the volumes in a wrong way and this was the...
Forum: CFX February 5, 2014, 13:15
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the reply. I haven't used source...

Thank you for the reply. I haven't used source points and I have written about them into the CFX pre user guide and the modeling guide. I don't know how to transfer my data for the jet fan to be...
Forum: CFX February 4, 2014, 16:57
Replies: 84
Views: 24,615
Posted By CFDST
The picture 6 and 7

The picture 6 and 7
Forum: CFX February 4, 2014, 16:56
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the reply. I have remove the...

Thank you for the reply.

I have remove the jet fans from the simulation and only run the 3 Inlet fans, 3 Outlet fans, 2 Openings and the Fire subdomain. Everything was perfect the simulation runs...
Forum: CFX February 3, 2014, 16:17
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the answer. 1. The opening is...

Thank you for the answer.
1. The opening is with Opening and Dirn pressure 0 [Pa]

2.Yes I agree, my previous model was like this but I don't know where is the mistake. Everything is the same with...
Forum: CFX February 3, 2014, 16:01
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the answers both of you.Really...

Thank you for the answers both of you.Really appreciate.

I have modeled the fans in this steps( in Gambit):

1.First modeling the garage by sketching the base and then sweep the edges.

2....
Forum: CFX February 2, 2014, 15:41
Replies: 84
Views: 24,615
Posted By CFDST
Hello all Cfd users, I have give up with...

Hello all Cfd users,

I have give up with implementing the sprinkler model because I'm running out of time before defending my project. I have made a simulation of my garage for 300 [s] and after...
Forum: CFX January 21, 2014, 12:39
Replies: 84
Views: 24,615
Posted By CFDST
Hello A_Prakash, Thank you for the reply. ...

Hello A_Prakash,

Thank you for the reply.
By validating I mean that I have made a big model and run it on a server for 300 s. I investigate the temperatures of the fire, adjust them for my...
Forum: CFX January 19, 2014, 06:40
Replies: 84
Views: 24,615
Posted By CFDST
Hello again to all CFD users, I have...

Hello again to all CFD users,

I have validate my fire and smoke scenario and now I have continued with the sprinkler modeling. I try to implement the spray modeling tutorial into my fire scenario....
Forum: CFX November 28, 2013, 10:29
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the reply. I will try to implement...

Thank you for the reply. I will try to implement the Spray Dryer tutorial model into my simulation. From a surface I will try to add water droplets with a set velocity and Temperature and see if...
Forum: CFX November 24, 2013, 19:04
Replies: 84
Views: 24,615
Posted By CFDST
Thank you Mr.Ghorrocks and Mr. A_Prakash for the...

Thank you Mr.Ghorrocks and Mr. A_Prakash for the help my work is almost done I think and I have few details to make and run the big simulation. I really appreciate your help without it, I won't be...
Forum: CFX November 20, 2013, 19:51
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the reply. I set the inlet...

Thank you for the reply.

I set the inlet with massflow, the outlet and an opening after . So in my case I see that I have to put some Openings and this is the truth.
Like the attached picture 1...
Forum: CFX November 18, 2013, 12:24
Replies: 84
Views: 24,615
Posted By CFDST
CFX setup: ...

CFX setup:

http://www.2shared.com/photo/ipkWn0Nc/CFX-Outlet-Mass_Flow.html
http://www.2shared.com/photo/QGtiI69N/CFX-Inlet-Mass_Flow.html...
Forum: CFX November 18, 2013, 12:18
Replies: 84
Views: 24,615
Posted By CFDST
Ok thank you about all the replies. You are...

Ok thank you about all the replies. You are really great.Really appreciate.

You were absolutely right about the inlets and outlets with velocity, I was really surprised what I have seen. Total...
Forum: CFX November 17, 2013, 18:17
Replies: 84
Views: 24,615
Posted By CFDST
I set the refference pressure into the domain...

I set the refference pressure into the domain options to 1 atm? So is this correct?
Forum: CFX November 17, 2013, 11:00
Replies: 84
Views: 24,615
Posted By CFDST
------------------------------- [Quote]Going...

-------------------------------
[Quote]Going off-track a little bit to CFX model: Do you think velocity inlet and velocity outlet BCs are good idea?
Are these directly connected to inlet and...
Forum: CFX November 17, 2013, 10:58
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the replies a lot. First I...

Thank you for the replies a lot.

First I have made the volume splits and try to made the Volume mesh as follows:
1.Hex/Wedge-Cooper scheme for the fire volume, jet fan,Volume X and Volume Y....
Forum: CFX November 15, 2013, 11:15
Replies: 84
Views: 24,615
Posted By CFDST
Thank you. I understand the edge length now.

Thank you. I understand the edge length now.
Forum: CFX November 15, 2013, 11:14
Replies: 84
Views: 24,615
Posted By CFDST
Ok thank you. I have made 3 steps of meshing: ...

Ok thank you. I have made 3 steps of meshing:

1.First to mesh a face of the jet fan with Ouad/Pave
2.Then to mesh the Jet Volume and Fire Volume with Hex/Wedge Cooper
3.Then to mesh the big...
Forum: CFX November 14, 2013, 11:11
Replies: 84
Views: 24,615
Posted By CFDST
Hello, thank you. I have made the Pictures. ...

Hello, thank you. I have made the Pictures.
1.Tgrid 2. HexCore selected
Forum: CFX November 14, 2013, 09:52
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the reply. It is a pleasure to help...

Thank you for the reply. It is a pleasure to help for me also, but I'm new to those things and do not have a serious amount of experience to do that.

1.I understand what you are talking about it...
Forum: CFX November 14, 2013, 09:36
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the reply. The element edge size...

Thank you for the reply. The element edge size means the interval size in Gambit,when meshing the faces and volume for example or the nodes for the edge meshing?


Thank you.
Forum: CFX November 13, 2013, 19:19
Replies: 84
Views: 24,615
Posted By CFDST
Thank you for the reply. I will refine the mesh...

Thank you for the reply. I will refine the mesh definetly, but

1. How to make a mesh size sweep and check the sensitivity? This should be done into Gambit, or into CFD Setup, or into CFD Post...
Forum: CFX November 13, 2013, 12:07
Replies: 84
Views: 24,615
Posted By CFDST
Thank you a thousand Sir. Thank you a lot. A lot...

Thank you a thousand Sir. Thank you a lot. A lot thanks to You and Mr.ghorrocks and all the repliers. After I made a different simulation with a bigger volume, everything works perfect, my smoke...
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