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[Jan Stránský <question293790@xxxxxxxxxxxxxxxxxxxxx>]

Question #293790 on Yade changed:
https://answers.launchpad.net/yade/+question/293790

Jan Stránský proposed the following answer:
Hello Alejandro,

please read [1], especially point 3. There are several possible reasons for
your problems and several options how to apply force. The correct way
depends on circumstances in your script.

Model explosion is usually because of too high time step.

cheers
Jan

[1] https://yade-dem.org/wiki/Howtoask


2016-05-16 21:17 GMT+02:00 Alejandro Jiménez <
question293790@xxxxxxxxxxxxxxxxxxxxx>:

> New question #293790 on Yade:
> https://answers.launchpad.net/yade/+question/293790
>
> Hello everyone
>
> I am trying to simulate a triplet shear test for masonry in which I
> discretize bricks and mortar as spheres and both supports and actuator
> (vertical displacement) are modeled as boxfacets. In order to simulate such
> test, a pre-compression force has to be applied in the perpendicular
> direction (horizontal) to the actuator. I am modelling an extra line of
> spheres and I am fixing them in order to apply the needed pre-compression
> force but it seems like such force is not transferred to the spheres of the
> brick. If I define those load spheres as free and apply the force, the
> whole model explodes.
>
> What is the correct way to apply forces to either spheres or boxfacets and
> to make those bodies interact with other static bodies to transfer the
> applied loads?
>
> Thanks in advance for your help.
>
>
>
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