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Incompressible simulation of axial turbomachine

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Old   April 27, 2018, 07:22
Default Incompressible simulation of axial turbomachine
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Alexander Tismer
Join Date: Apr 2018
Location: Universität Stuttgart
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I would like to simulate an axial machine consisting of a guidevane and a runner. Each component is only meshed with one channel, so I need a periodic interface between
> GV_PERIOSS, GV_PERIOPS (11 blades -> 32.7273°)
> RU_PERIOSS, RU_PERIOPS (4 blades -> 90°)
Owing to the different angles I need a mixing plane between
Walls of the guidevane
should be fixed. Hub and blade
of the runner are rotating and
is also fixed.

The volume flow and rotation speed of the machine should be about 0.261 m^3/s and 89.01 1/s, respectively.

Please find attached the cfg file and the log file of the SU2_CFD executeable. I also uploaded the complete case with mesh file to

The last message before the segmentation fault is
---------------------- Turbomachinery Preprocessing ---------------------

Initialize Turbo Vertex Structure.
Number of span-wise sections in Zone 0: 0.
Speicherzugriffsfehler (Speicherabzug geschrieben)
I try to configure the solver to the best of my knowledge, but it is still not running.

What is my mistake?

I really appreciate any help you can provide.

Attached Files
File Type: zip (8.0 KB, 3 views)

Last edited by atismer; May 7, 2018 at 02:54.
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