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Forum: CFX

May 14, 2011, 06:11

Replies: 9

ANSYS CFX-Pre settings

Views: 2,206

Posted By ghorrocks

The variable total pressure includes the velocity...

The variable total pressure includes the velocity component. If you want the velocity component by itself you will need to define a variable for that.

Forum: CFX

May 13, 2011, 07:06

Replies: 9

ANSYS CFX-Pre settings

Views: 2,206

Posted By ghorrocks

The variable "pressure" is static pressure. If...

The variable "pressure" is static pressure. If you are running buoyancy it has the hydrostatic component removed.

You define the boundary conditions to agree with what you know about the flow. If...

Forum: CFX

May 10, 2011, 18:49

Replies: 9

ANSYS CFX-Pre settings

Views: 2,206

Posted By ghorrocks

The buoyancy reference is the reference density...

The buoyancy reference is the reference density for buoyancy calculations. Buoyancy is driven by very small density differences so an appropriate reference density is important.

Forum: CFX

May 9, 2011, 18:49

Replies: 9

ANSYS CFX-Pre settings

Views: 2,206

Posted By ghorrocks

As you say the reference states are there to...

As you say the reference states are there to reduce round off errors. You can set different reference states for some physical models but in general this is not a good idea.

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