[deprecated list] How to use ConstitutiveLawDispatcher in pithon

[MarcoDottor]

Hallo, what code I have to use if I want to try
ConstitutiveLawDispatcher in python.
I've got other 2 questions: setting Young modulus low to 10^3 what
implies, it act on Kn right? That forces are transimmed softly?
If I saved a simulation in a sqlite dbase can I use filters in
postprocessing with player or should I include them before starting a
simulation, how can I do that?

Thank you very much, you are very helpful to me due to lack of
documentation and I'm sorry to bother you so much.

Marco
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[Bruno Chareyre]

Post by MarcoDottor
I've got other 2 questions: setting Young modulus low to 10^3 what
implies, it act on Kn right?

Yes.
If you use my definition of Kn (i.e. "SimpleElasticRelationship"), Kn is
proportional to (Young modulus x diameter). That way, you get a constant
macro-stiffness for a packing whatever the particle size.

Bruno
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[sega]

Post by MarcoDottor
Hallo, what code I have to use if I want to try
ConstitutiveLawDispatcher in python.

for example, see examples/dynamic_simulation_tests/ringSimpleViscoelastic.py, line 71
Be careful for the contact model. It should be in agreement with simulation conditions.
(compare results for ringSimpleViscoelastic and ringCundallDamping, for example).

Post by MarcoDottor
I've got other 2 questions: setting Young modulus low to 10^3 what
implies, it act on Kn right?

yes

Post by MarcoDottor
That forces are transimmed softly?

The bodies are more soft.

Post by MarcoDottor
If I saved a simulation in a sqlite dbase can I use filters in
postprocessing with player or should I include them before starting a
simulation, how can I do that?

With the player. Run the player, load a results dbase, print in console:

f=utils.ColorizedVelocityFilter()
(this function is defined in gui/py/utils.py)

then, check "Allow filtration" and click the refresh button on the Filters tab.
Then, click on play and all dynamic bodies will be colorized with their velocity magnitude.

Post by MarcoDottor
Thank you very much, you are very helpful to me due to lack of
documentation and I'm sorry to bother you so much.

fell free for asking, don`t hesitate.