[taneradil]

I am trying to simulate a flow analysis around an axial turbine on CFX, but I am getting the same error again and again. I have Total Pressure Inlet and Static Pressure Outlet. My fluid turbine domain(mrf) rotates in the stationary fluid domain. My interface is Mixing Plane. Do you have any suggestions about fixing the error?


+--------------------------------------------------------------------+
| Topology Simplification |
+--------------------------------------------------------------------+

+--------------------------------------------------------------------+
| ****** Warning ****** |
| |
| Topology simplification is activated with the following |
| restrictions: |
| |
| - Mesh regions referenced only within User Fortran and NOT |
| in the command file will cause the solver to stop. |
| - The solver will stop during any "Edit Run in Progress" step |
| if new 2D regions are referenced. |
+--------------------------------------------------------------------+

+--------------------------------------------------------------------+
| ********* WARNING ********* |
| Coordinate transformation of interface |
| axial |
| into a radial interface resulted in some faces with a very small |
| axial extent. There are two possible reasons for this: |
| 1. The interface contains axial faces (normal to the axis). |
| If this is the case, please split the interface into two parts, |
| so that the purely axial sections could be transformed |
| properly. The transformation type (axial or radial) is chosen |
| automatically based on the largest interface extent. |
| 2. This message may be generated because of a tolerancing issue |
| when the mesh resolution in the axial direction is very |
| small (e.g. at the hub or shroud). If this is the case, you |
| may ignore this message. |
+--------------------------------------------------------------------+


+--------------------------------------------------------------------+
| ERROR #001100279 has occurred in subroutine ErrAction. |
| Message: |
| ****** FATAL ERROR ****** |
| The orthographic view transformation failed on domain interface "- |
| axial". - Failure may be due to r=0 included in transformed cyli- |
| ndrical coordinates of an interface with rotational relative moti- |
| on. Another reason could be that the interface contains faces th- |
| at are parallel and others that are perp -ErrMsg buffer overflow- |
+--------------------------------------------------------------------+

+--------------------------------------------------------------------+
| ERROR #001100279 has occurred in subroutine ErrAction. |
| Message: |
| Stopped in routine SRF_ORT |
| |
| |
| |
| |
| |
+--------------------------------------------------------------------+

+--------------------------------------------------------------------+
| An error has occurred in cfx5solve: |
| |
| The ANSYS CFX partitioner exited with return code 1. |
+--------------------------------------------------------------------+

[ghorrocks]

Have you read the error message carefully and considered what it says?

The warning messages are less important, they may or may not be a problem. Have a look at them as well, but they may be OK as is.