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[Jan Stránský <question703292@xxxxxxxxxxxxxxxxxxxxx>]

Question #703292 on Yade changed:
https://answers.launchpad.net/yade/+question/703292

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,

TLTR: [1,2,3,4,5,6]

> I need to apply uniform load in the simulation

please be more specific.
Body uniform load like gravity [3,4,5,6]?
Surface uniform load like surface pressure [5,6]?
... ?

> to generate some particles and then give them weight, but this
involves a material, but I can't find it;

Please be more specific, what you can't find?
as discussed in your previous questions, e.g. [7], you already know how to use material, including density..
Material has density [1], from which is usually computed body.state.mass [2]. But mass can be set independently of density if needed.
You can then use NewtonIntegrator.gravity [3] or one of FieldApplier engines [4].
Is this "give weight"?

> The second is to apply load directly, but I don't know how to write
specific code.

Using ForceContainer [5,6].


Cheers
Jan

[1] https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.Material.density
[2] https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.State.mass
[3] https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.NewtonIntegrator.gravity
[4] https://yade-dem.org/doc/yade.wrapper.html#fieldapplier
[5] https://yade-dem.org/doc/user.html#imposed-force
[6] https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.ForceContainer
[7] https://answers.launchpad.net/yade/+question/703041

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