Learning Forum

[thach-hoang.nguyen]

Hello everyone,

i have a question. If i applied a normal pressure on the external surface of a cylinder and i want to know the diameter of the cylinder after defomation (after the test). Which method can i use to calculate?

Thank you and have a great day!

(Exemple photo)

[peteroznewman]

Place a Cylindrical Coordinate System on the cylinder axis, with the Z axis pointing along the cylinder axis.  The X coordinate measures Radial deformation.

Add a Directional Deformation, set it to use the Cylindrical Coordinate System and to plot the X coordinate. The contours will be radial deformations.

Since you know the initial radius of the cylinder, subtract the radial deformation and double that to get the compressed diameters.

[thach-hoang.nguyen]

Thank you for the ideal! But i have the problem that i dont know how to set up for the cylinder axis. If it's not too bother you, can you make an exemple for me how to set it up to calculate the radial deformation?

Thank you so much! Have a great day

[peteroznewman]

[peteroznewman]

[thach-hoang.nguyen]

Thank you so much! Another question i have to ask: How can you use the remote displacement to hold the cylinder when doing the test! Thank you!

[peteroznewman]

Use a Remote Displacement, Behavior = Flexible, scoped to one end face of the cylinder. Set all DOF to 0.