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Search took 0.00 seconds. Search: Posts Made By: ghorrocks
Forum: CFX December 27, 2016, 05:26
Replies: 48
Views: 10,320
Posted By ghorrocks
I also note that your simulation is using Fluent....

I also note that your simulation is using Fluent. For details on Fluent try the Fluent forum. This is the cfx forum.
Forum: CFX December 26, 2016, 15:26
Replies: 48
Views: 10,320
Posted By ghorrocks
That is what turbulence models do, they model the...

That is what turbulence models do, they model the extra dissipation from turbulence effects. Please post an image of the results of the model and what you expect to see. Do you have good experimental...
Forum: CFX October 19, 2016, 05:58
Replies: 48
Views: 10,320
Posted By ghorrocks
If changes in settings affects the results this...

If changes in settings affects the results this shows either the mesh is not fine enough or the time step is not small enough. You need to do a sensitivity study to find how fine your mesh needs to...
Forum: CFX October 18, 2016, 17:43
Replies: 48
Views: 10,320
Posted By ghorrocks
Firstly, have you confirmed you have a situation...

Firstly, have you confirmed you have a situation where the waves are not highly damped?

If the flow should not be highly damped but the simulation is then you have a problem with numerical...
Forum: CFX February 21, 2015, 05:24
Replies: 48
Views: 10,320
Posted By ghorrocks
Try the fluent forum.

Try the fluent forum.
Forum: CFX November 29, 2012, 16:09
Replies: 48
Views: 10,320
Posted By ghorrocks
Simple waves can be generated by moving a...

Simple waves can be generated by moving a boundary wall or imposing a simple sinuosoidal function. A much better way is by imposing a linear or non-linear wave equation on a boundary - but that is...
Forum: CFX May 8, 2011, 08:35
Replies: 48
Views: 10,320
Posted By ghorrocks
Correct. Write a session file to do it...

Correct.



Write a session file to do it for you. Use a perl loop to loop through all timesteps.

You cannot use a line as a location reference in the solver (to my knowledge). That is why I...
Forum: CFX May 7, 2011, 07:43
Replies: 48
Views: 10,320
Posted By ghorrocks
In CFD-Post draw a line parallel to the gravity...

In CFD-Post draw a line parallel to the gravity vector which crosses the surface. Then calculate a line integral of volume fraction on the line.

A better way of doing it for transient runs is to...
Forum: CFX May 5, 2011, 07:19
Replies: 48
Views: 10,320
Posted By ghorrocks
Can you post some images?

Can you post some images?
Forum: CFX May 3, 2011, 23:32
Replies: 48
Views: 10,320
Posted By ghorrocks
The solution should be obvious - you need to make...

The solution should be obvious - you need to make the top wall "unspecified" motion.
Forum: CFX May 3, 2011, 19:06
Replies: 48
Views: 10,320
Posted By ghorrocks
Please post a drawing of your setup.

Please post a drawing of your setup.
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