yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

1- The clear part :
A MetaEngine is something that will dispatch objects to some 
engineUnits. Example : the InteractionGeometryMetaEngine  will call 
engineUnits sphere2sphere , sphere2box, or sphere2facets depending on 
the types of body1 and body2.

2- The less clear part :
Standalone and DeusExMachina engines can work alone (they don't call 
other engines, neither are they called by others).
So, what is the difference between them? On the programming side, no 
real difference (except a few differences in members of base classes). 
The difference is more in terms of what they do, and also a matter of 
personal taste... So, here is my feeling about this : standalones are 
supposed to handle simple aspects of the physics : a contact law, 
Newton's law, this sort of thing; while DeusEx is something controlling 
what happens in a specific problem (boundary conditions, switching from 
one loading to another based on a condition, etc.) or getting 
information from the simulation (all sorts of recorders).
This definition is not totally consistent with the current spliting, 
which is a result of how we all interpreted differently the meaning of 
standalone vs. DeusEx.

Bruno



Anton Gladky a écrit :
> Hello, all!
>
> I do not understand the logic of the engines division: 
> StandAloneEngine, Engine....
> Do we have it somewhere described?
>
> Thank you.
> ______________________________
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>
> Anton Gladkyy
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