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Crash Analysis

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Hello,

 

I am looking to perform a crash analysis on a part inside an automobile and my static analysis seems to fail. I know that impact loading is the right way to go, but I have no idea why my results show uniform stress on the whole body under an enormous load during static analysis. Also, even though the stresses are uniform, the values are enormous and erratic. Displacement fringe looks fine though. My structure is a sheet metal part mounted on a sheet metal bracket and I am trying to constrain the displacement of the bottom face of the bracket's four legs and the gravity load I am applying on the whole assembly is 40g's

 

I have attached my setup and stress results screenshots below. Max strain I am getting is 2.4*e^9 lbm in/s2.

 

Thank you

 

Capture1.PNGCapture2.PNG


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