thanks cooken,
I was doing all the evidence in the case, as you said.
Both you and rob have reason, i have resolved my problem, there was a boundary condition that with nlgeom stiffed all the ribbons in bending. Now I am using nlgeom on and incompatible mode, also I am trying the quadratic...
Hi rob, again thanks for your precious help.
I've tried to toggle on NlGeom, it works. I have tried both linear element (incompatible mode c3d8I) and Quadratic (red integration). finally they work, but the ribbons are very stiff. I've tested one ribbon, The ribbon have a section of 30mm x 1mm...
Hi Rob, thank you for responding so promptly to my message.
after contacting you, I succedeed in finding a solution for the problem; I have also added more than 2 ribbons. But it works only if I toogle off in Non linear geometric. Do you think that it could go well? I think that it is a border...
dear rob, sorry to bother you.
I really do not understand why it does not work, can you help me?
the file momentaneo.cae work, it's with one ribbon.
the file momentaneo2.cae doesn't work, it 's with 2 ribbons, with the same bc/steps/load and mesh of previously file
I 'm going...
hi, the analysis does not calculate with any increase so the error is many attemps for this incremnt (1) or if I create some boundary conditions,but changes the problem, the errors is Time increment required is less than the minimum specified, but this is a fictitious problem , in my opinion...
hello to everybody, I am attaching pictures of my problem.
the first picture is the undeformed of my first approach, a ribbon wound around a reel.
in the second picture I've try to applied several load to close the ribbon.
there is friction between the reel and ribbon. it work fine.
then I...
the solution with my hand is correct, i'm sure. i have change the "approximate global size" in "global seeds" i do not know if it's correct, i'm asking you. I don't understand last question. sorry and thanks
Hello to everybody, i'm italian student. And i m starting my thesis with abaqus. I start with tutoril that i finding in web, such a cantilever beam. I've a problem, the stress change when i change the mesh (type or seeds), i don't understand why, can you help me?