Need help understanding results

VasuShraShre · June 19, 2017, 10:45

Hi all,
I am new to simulation but I have studied some Strength of Materials. I wanted to analyse a scissor lift for which i designed a crude geometry in Solidworks and ran it in Ansys 14.5. This is the model
https://drive.google.com/file/d/0Bys...ew?usp=sharing
I am applying a downward force of 500N on the top face like this.
https://drive.google.com/file/d/0Bys...ew?usp=sharing
Now all other results are according to predicted trends except one. When I do a joint probe on this revolute joint I am getting forces not only on x and y but also z direction!

https://drive.google.com/file/d/0Bys...ew?usp=sharing
How is that so? I am applying force in negative Y dir. so I am expecting forces in Y and X direction(Reaction force) as this is a truss. but why in z dir. Can someone please explain

Ps I am new to this forum too so if this is not the right way to ask questions please let me know

Gweher · June 27, 2017, 11:41

Hi Shreyas,
Could you upload an archive of your model and share it?

June 19, 2017, 10:45	Need help understanding results	#1
VasuShraShre New Member Shreyas Join Date: Jun 2017 Posts: 2 Rep Power: 0	Hi all, I am new to simulation but I have studied some Strength of Materials. I wanted to analyse a scissor lift for which i designed a crude geometry in Solidworks and ran it in Ansys 14.5. This is the model https://drive.google.com/file/d/0Bys...ew?usp=sharing I am applying a downward force of 500N on the top face like this. https://drive.google.com/file/d/0Bys...ew?usp=sharing Now all other results are according to predicted trends except one. When I do a joint probe on this revolute joint I am getting forces not only on x and y but also z direction! https://drive.google.com/file/d/0Bys...ew?usp=sharing How is that so? I am applying force in negative Y dir. so I am expecting forces in Y and X direction(Reaction force) as this is a truss. but why in z dir. Can someone please explain Ps I am new to this forum too so if this is not the right way to ask questions please let me know Last edited by VasuShraShre; June 19, 2017 at 10:48. Reason: Adding a pic

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June 27, 2017, 11:41		#2
Gweher Senior Member Gwenael H. Join Date: Mar 2011 Location: Switzerland Posts: 392 Rep Power: 21	Hi Shreyas, Could you upload an archive of your model and share it?