How to simulate a single particle crushing test?

Asked by vincentw on 2020-02-01

Hello everyone,

Nice to find a technical forum which is perfectly run.

I am intended to perform a individual-particle crushing test where a clump of spheres are compressed until failed.

I have 2 questions:

1. I shall generate 2 walls and make the top one move down in a steady strain rate. How can I make the wall move in a predefined velocity? Since I only found references related to tri-axial test examples where walls are controlled either by stress or strain, I do not know whether I could make individual wall move as desired.

2. In the simulation I need to plot the F-strain curve where F refers to the stress imposed on the top moving wall. Is there a easy way to acquire the total stress imposed on the wall(since there could be multiple contacts ) ?

Thanks

Vincent

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Last query:
2020-02-01
Last reply:
2020-02-01
Akm (arunkumarmurali) said : #1

Hi Vincent,

1. There are two options to provide a constant velocity to the plate. You can use the translation engine or use the body.state.vel=(0,0,0,) command for whatever direction you want it in.

2. You can check the force on the wall by the command "O.forces.f(body.id)"

Hope it helps.

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