hi Alberto,
the problem is that
chrono::fea::ChElasticityCosseratAdvancedGenericFPM::ChElasticityCosseratAdvancedGenericFPM(
... ) requires a ChMatrixNM, that is a fixed size 6x6 matrix built on
stack, but most likely you are passing *ChMatrixDynamicD *, that is a
dynamically-sized matrix on the heap. Even if this is a 6x6 matrix too,
both are not interchangeable. At the moment there is no way to generate
a ChMatrixNM< double,6,6 > in Python because Python does not support
templating, sorry.
Alessandro
On 12/04/2023 12:24, Alberto Fernández wrote:
I'm trying to create a Cosserat beam in python using the full matrix
with coupling terms. I think the call to the constructor is correct,
but I get a type error
Call (Klaw is a pychrono.ChMatrixDynamicD 6x6):
melasticity = fea.ChElasticityCosseratAdvancedGenericFPM(Klaw, 0.0,
0.0, 0.0, 0.0, 0.0, 0.0)
Error:
TypeError: Wrong number ortypeof arguments foroverloaded function
'new_ChElasticityCosseratAdvancedGenericFPM'.
Possible C/C++prototypes are:
chrono::fea::ChElasticityCosseratAdvancedGenericFPM::ChElasticityCosseratAdvancedGenericFPM()
chrono::fea::ChElasticityCosseratAdvancedGenericFPM::ChElasticityCosseratAdvancedGenericFPM(chrono::ChMatrixNM<
double,6,6> const,double const,double const,double const,double
const,double const,double const)
I assume this is a problem with the call not being correctly defined
in the python wrapper, but I don't know how to fix it. Is there other
route that may work?
I also tried instantiating ChElasticityCosseratAdvancedGenericFPMand
then using SetEMatrix but no luck that way either.
Thank you for your time
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