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A
AntoniodeItaVen1-Visitor
1-Visitor
November 24, 2017
Question

how to check for tipping?

  • November 24, 2017
  • 1 reply
  • 5740 views

hello there,

 

I wonder if anyone has ever checkout for tipping or roll over using Simulate. for instance, lets say you have a cilindrical tank that has a 2 feet diameter base, 3 feet tall then it expands to 4 feet in diameter adding another 2 feet.

 

do you know how you can check for tipping? based on the center of gravity?

 

I appreciate any help on this

 

Regards

 

Antonio

1 reply

S
sdensberger2-Explorer
2-Explorer
November 28, 2017

You wouldn't do this in Simulate. Assuming only gravity, tip over occurs if the C.G. goes past the point/edge that the object is rotation about.

A
AntoniodeItaVen1-VisitorAuthor
1-Visitor
November 28, 2017

Well according with theory, tipping will not occur if the righting moment is greater than the overturning moment.

so the part/unit should withstand 30 degrees tilting in any direction without tipping.

 

all that can be calculated by hand, it is simple formulas

 

now, in a 3D model, if I set the part or unit tilted 30 degrees it will not tell me if it tips, I think, I have not try it yet but I am assuming it,

 

it may have to be as dynamic analysis, that is why I was wondering if someone has already tried it.

 

thanks for the reply

 

D
dschenken1-Visitor
1-Visitor
November 29, 2017

Tipping is dependent on whether there is enough energy put into the system to be stored by CG rise or center of buoyancy movement, or both. If that storage is exceeded the item will tip. Since it is rare to be able to control the amount of energy available it is better to take measures to prevent tipping in the first place or to withstand tipping if it does occur.

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