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twist Moment and Bending Moment in cohesionlessMomentRotation
I am still investigating the cohesionlessMomentRotation.
It is written in the sources files that this code has been "verified
with the paper of Plassiard in GM".
However, Plassiard considers in his paper "and in his thesis" only the
rolling part of the relative rotation of particles (and thus only
bending moment), whereas in the code rolling and twist part of the
relative rotation are considered (and thus bending and twist moment).
My question: is there a particular reason for that? What is the
motivation of the person who wrote this code? I don't say that is bad or
good, but I would like to have an idea about advantages and
disavantages, and physical meaning for considering a twist moment.
Jean-Patrick, if you read this mail, please give your opinion!
Université de Nantes - Laboratoire GeM UMR CNRS
IUT de Saint Nazaire
58, rue Michel-Ange - BP 420
44606 Saint-Nazaire Cedex, France
Tel: +33 (0)2 40 17 81 78