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Messages - infocfd

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1
How can I get time-dependend information about aerodynamic forces and moments, like lift, drag, euler angle, CG, of moving and stationary walls in FLUENT?

Thanks.

2
You can convert the equation:
vθ = vx cos θ + vy sin θ

into Cartesian coordinate.
x = r cos θ
y = r sin θ


3
I get the following when I load the case and data file:

999999 (..\src\mpsystem.c@1149): mpt_read: failed: errno = 10054

999999: mpt_read: error: read failed trying to read 4 bytes: No such file or directory
MPI Application rank 0 exited before MPI_Finalize() with status -1073741819
 The Parallel FLUENT process could not be started.


Can any one give suggestion?

Thanks.

4
Fluent / UDF to count number of droplets in VOF simulation
« on: May 13, 2012, 11:44:33 AM »
I want to count the number of droplets in the volume using UDF in VOF simulation. Please can any one help?

Thanks.

5
Just want to know under what conditions can flow over a sphere be modeled as axisymmetric?

Thanks.

6
Fluent / What are the requirements for an axisymmetric analysis?
« on: May 13, 2012, 11:21:48 AM »
Hi,

What are the requirements for an axisymmetric analysis?

Thanks.

7
Fluent / VOF to model draining tank, swirling fluid, vortex?
« on: May 13, 2012, 11:16:43 AM »
Hi,

It is possible to model a draining tank filled with a swirling liquid, and to capture the vortex that forms at the drain. The goal is to pinpoint the time at which the first gas reaches the drain.

Please help.

Thanks.

8
Fluent / Converge a VOF mold filling simulation
« on: May 13, 2012, 11:10:52 AM »
Hi,

I am having difficulty in converging a VOF simulation. It is about mold filling. The viscosity ratio of two fluids is ~5

Please help.

9
I need a UDF which can compute internal recirculation in a bubble in VOF simulation. Can any one help.

10
While displaying the velocity vectors it displays the velocity vector for all phases. Is it possible to show the velocity vectors inside only one phase at a time?

11
Fluent / VOF Courant number and Global Courant number in FLUENT
« on: May 13, 2012, 10:56:50 AM »
What is the meaning of VOF Courant number and Global Courant number in FLUENT and how are they related?

12
Fluent / VOF: How do I plot the interface between two phases?
« on: May 13, 2012, 10:55:02 AM »
How do I plot the interface between two phases? I am doing VOF simulation.

13
Fluent / How can I access Compressive VOF scheme in Fluent 12?
« on: May 13, 2012, 10:52:30 AM »
How can I access Compressive VOF scheme in Fluent 12?

14
CFX / How do I setup a simulation in CFX 10.0 with R134a?
« on: May 13, 2012, 10:49:32 AM »
How do I setup a simulation in CFX 10.0 with R134a?

15
CFX / Error: mpirun_mpid version mismatch
« on: May 13, 2012, 10:46:41 AM »
When trying to launch CFX 14 in parallel you get the following error: Error: mpirun_mpid version mismatch.

Please help.

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