Forum: CFX
May 25, 2012, 07:27
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Replies: 83
Views: 26,445
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Forum: CFX
May 24, 2012, 18:37
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Replies: 83
Views: 26,445
Of course, what you describe is the physics of...
Of course, what you describe is the physics of solidification. But how are you going to implement it in CFX, given the tools it provides, and keep it accurate and numerically stable? It is the...
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Forum: CFX
May 24, 2012, 07:24
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Replies: 83
Views: 26,445
As I said in the other thread solidification...
As I said in the other thread solidification modellign is not a supported model in CFX. I know people have done it but I suspect it is quite complex to set up. I would not worry about any of your...
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Forum: CFX
May 24, 2012, 07:20
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Replies: 83
Views: 26,445
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Forum: CFX
May 23, 2012, 06:22
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Replies: 83
Views: 26,445
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Forum: CFX
May 22, 2012, 19:27
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Replies: 83
Views: 26,445
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Forum: CFX
May 21, 2012, 18:32
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Replies: 83
Views: 26,445
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Forum: CFX
May 21, 2012, 02:09
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Replies: 83
Views: 26,445
These functions simply define a region inside a...
These functions simply define a region inside a sphere at an XYZ location. You would use this to define an initial condition of a spherical drop of stuff. And as you say, if you are using it as an...
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Forum: CFX
May 21, 2012, 00:41
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Replies: 83
Views: 26,445
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Forum: CFX
May 19, 2012, 07:23
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Replies: 83
Views: 26,445
The actual error is a few lines earlier:
...
The actual error is a few lines earlier:
Fatal bounds error detected
---------------------------
Variable: liquid Ni.Dynamic Viscosity
Locale : splat
liquid Ni.Dynamic Viscosity...
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Forum: CFX
May 18, 2012, 07:51
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Replies: 83
Views: 26,445
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Forum: CFX
May 18, 2012, 00:49
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Replies: 83
Views: 26,445
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Forum: CFX
May 17, 2012, 21:00
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Replies: 83
Views: 26,445
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Forum: CFX
May 17, 2012, 20:34
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Replies: 83
Views: 26,445
There are many models to choose from.
If you...
There are many models to choose from.
If you want no contact resistance just leave it at the defaults.
If you want contact resistance use the contact resistance option. Alternately you can...
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Forum: CFX
May 17, 2012, 20:14
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Replies: 83
Views: 26,445
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Forum: CFX
May 16, 2012, 23:07
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Replies: 83
Views: 26,445
The clipping warning says soem properties went...
The clipping warning says soem properties went beyond the specified bounds. Either there is a region in your flow which exceeds your bounds, or the solution is not converged and weird material...
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Forum: CFX
May 16, 2012, 22:48
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Replies: 83
Views: 26,445
Lots of options. You can:
1) Use a 1D...
Lots of options. You can:
1) Use a 1D interpolation function
2) Curve fit a function and stick that in as a CEL expression
3) use nested if statements, if(T>2000[K],if(T<1000[K],7000[kg...
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Forum: CFX
May 16, 2012, 20:56
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Replies: 83
Views: 26,445
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Forum: CFX
May 13, 2012, 18:37
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Replies: 83
Views: 26,445
Develop the model by yourself means applying...
Develop the model by yourself means applying through the use of source and sink terms to create and destroy stuff, and do all the coupling to the energy equation yourself. How much of this is...
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Forum: CFX
May 13, 2012, 07:07
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Replies: 83
Views: 26,445
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Forum: CFX
May 11, 2012, 07:11
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Replies: 83
Views: 26,445
While the spray dryer tutorial is a 3 phase...
While the spray dryer tutorial is a 3 phase model, it is three very different phases to yours. Details make all the difference in multiphase models. In the spray dryer you have solids (modelled as...
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Forum: CFX
May 10, 2012, 23:49
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Replies: 83
Views: 26,445
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Forum: CFX
May 10, 2012, 06:42
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Replies: 83
Views: 26,445
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Forum: CFX
May 9, 2012, 18:42
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Replies: 83
Views: 26,445
The whole idea of using just the material...
The whole idea of using just the material properties to model phase change is an approximation. Things like latent heats, superheat/subcool, spinondal temperature/attainable limit of superheat etc...
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Forum: CFX
May 9, 2012, 07:26
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Replies: 83
Views: 26,445
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