I can't make my body rotating in transient structural

sheaker · December 2, 2019, 16:47

Dear All,
I just can't make my body rotating. I was using Ansys 16 some time ago and I do not remember having such troubles. Now in Ansys 19 my body is not rotating.
https://www.cfd-online.com/Forums/at...1&d=1575319588

Forces:
A Rotational Velocity along Z axis, 5 rad/s.

Support:
B Displacement X = free, Y= free, Z = 0,
C Displacement X = 0, Y = 0, Z = free,

Total Velocity
https://www.cfd-online.com/Forums/at...1&d=1575319588

I believe there was a change in between those versions of Ansys that I was not being informed yet.
Could You, please, tell me where I am doing mistake?

Best regards,
Oskar

hrachubi · December 7, 2019, 17:25

Hi Oskar

I did similar analysis in Ansys 2019R3 Student Trial and it works.
I applied BC similar as you described. You didn't preceise so I applied Rotational Velocity by Geomtry Selection and Coordinate System (not by vector).

sheaker · December 7, 2019, 19:13

Thank You for Your reply.
I tried Geometry Selection and for velocity I tried both Vector and Component setting without success.

I tried with Cylindrical Coordinate System but components were still x, y and z requested in meters which does not seems to be correct.

I believe I need to wait for an update of Ansys in my university.

December 7, 2019, 19:13		#3
sheaker Senior Member Oskar Join Date: Nov 2015 Location: Poland Posts: 184 Rep Power: 11	Thank You for Your reply. I tried Geometry Selection and for velocity I tried both Vector and Component setting without success. I tried with Cylindrical Coordinate System but components were still x, y and z requested in meters which does not seems to be correct. I believe I need to wait for an update of Ansys in my university. __________________ How to set two stroke engine with scavenging? Salome, sliding interface and "Zero length edge detected."

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December 7, 2019, 17:25		#2
hrachubi New Member Hubert Join Date: Dec 2019 Posts: 1 Rep Power: 0	Hi Oskar I did similar analysis in Ansys 2019R3 Student Trial and it works. I applied BC similar as you described. You didn't preceise so I applied Rotational Velocity by Geomtry Selection and Coordinate System (not by vector).