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Lms Virtual-lab. Help!!

Lms Virtual-lab. Help!!

Lms Virtual-lab. Help!!

(OP)
Hello,

I've been working recently with Lms Virtual-lab structure and have the following problem: I want to define a perpendicular force of all nodes in the inner surface of a hollow cylinder.
The force must be perpendicular to all nodes!

How can i make that?
thanks
glad

RE: Lms Virtual-lab. Help!!

A node is a 3 dimensional point in space. There is no such thing as a perpendicular to it, or if you prefer, all vectors are perpendicular to it.

Perhaps that is the cause of your problem.

Cheers

Greg Locock

I rarely exceed 1.79 x 10^12 furlongs per fortnight

RE: Lms Virtual-lab. Help!!

(OP)
hello Greg

Thank you for your quick response.
I actually was referring to the elements not the nodes! was an error

I have a picture of the cylinder, the force must be defined everywhere perpendicular to the inner surface (red area in picture)
i dont now how i make that in Virtual-lab!!

 

 

RE: Lms Virtual-lab. Help!!

GLAD221:

You have the dimensions of the cylinder therefore you can write the equation of the cylinder and get the slope equation (dy/dx)....The perpendicular slope is then just the inverse of the slope of the cylinder.....

No idea how to do it in the software....

Ed.R.

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