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Basic actuator/pin design

Basic actuator/pin design

Basic actuator/pin design

(OP)
http://files.engineering.com/getfile.aspx?folder=3b943a9a-bd54-4522-856f-c94030c4b6d2&file=Basic_Tri_with_actuator.cae

http://files.engineering.com/getfile.aspx?folder=85714466-f013-4dba-bbcf-a0083ac335fd&file=Basic_Tri_with_actuator.jnl

I've been at this for hours and could not for the life of me figure this out.
I have attached my abaqus file consisting of a basic triangular structure with an actuator. The issue I am having is this...the corner located at the right angle of the structure is not acting as a pin, causing massive deflection and I'm not sure why.

Could someone please help me? I've played around with the BC and I can't seem to get it to work.

Much appreciated!
Adam

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