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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX February 29, 2016, 00:20

Replies: 19 How to obtain turbulent kinetic energy data from LES model of Ansys CFX? Views: 24,850 Posted By ghorrocks I am aware you are doing your own coding. A... I am aware you are doing your own coding. A question: How are you going to model DNS using the 1D Burger equation? DNS is inherently 3D transient. I take it from your final sentence that your...

Forum: CFX February 28, 2016, 17:51

Replies: 19 How to obtain turbulent kinetic energy data from LES model of Ansys CFX? Views: 24,850 Posted By ghorrocks The issue there is whether the start up transient... The issue there is whether the start up transient affects your result or not. Many people run a model until the turbulence is asymptoted to steady state and start averaging then. Is your flow or...

Forum: CFX February 28, 2016, 04:59

Replies: 19 How to obtain turbulent kinetic energy data from LES model of Ansys CFX? Views: 24,850 Posted By ghorrocks I'm still here, I'm not dead yet. I can help you... I'm still here, I'm not dead yet. I can help you with that if you wish - what are you finding confusing? Note that I said you can average in space OR time OR both. Averaging in both is unusual...

Forum: CFX September 22, 2009, 06:59

Replies: 19 How to obtain turbulent kinetic energy data from LES model of Ansys CFX? Views: 24,850 Posted By ghorrocks Sounds like you need to read a text book about... Sounds like you need to read a text book about Reynolds and Fauve averaging. It is covered by any fluid mechanics textbook which develops the basics of turbulence modelling. In fact the CFX...

Forum: CFX September 21, 2009, 18:25

Replies: 19 How to obtain turbulent kinetic energy data from LES model of Ansys CFX? Views: 24,850 Posted By ghorrocks You need to define the turbulence kinetic energy... You need to define the turbulence kinetic energy as a function of the velocity somehow. You can take time or space (or both!) averages of the velocity fields and use that to determine the averaged...

Showing results 1 to 5 of 5

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