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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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Hello,

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°)
and
> RU_PERIOSS, RU_PERIOPS (4 blades -> 90°)
Owing to the different angles I need a mixing plane between
> GV_OUTLET, RU_INLET
Walls of the guidevane
> GV_HUB, GV_SHROUD, GV_BLADE
should be fixed. Hub and blade
> RU_HUB, RU_BLADE
of the runner are rotating and
> RU_SHROUD
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

https://bitbucket.org/atismer/sandbox/src/master/

The last message before the segmentation fault is
Code:
---------------------- 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.

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

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