nvn, i think cfdfeaguru is right in saying ansys shouldn't have a problem. I switched "line search" to "on", and max equilibrium iterations to 1000, based on a nonlinear buckling example i was just reading, and the solution works like a charm.
btw i am looking at all you mentioned...
btw the modulus of the mast is 60gpa. i put it up to 600gpa now, and the solution solved for a 3kn load on the cable. after fiddling with time steps still.
max displacement is the centre of loaded cable, at 340mm. Max stress is about 100mpa in that cable.
the cable properties are 10mm diameter, elastic moduls is 193gpa, poissons ratio 0.3. no yield stress , its just linear elastic.
Just now, i tryed to re-run it at 400 steps, and it didnt work...
Thanks Minger, your right, but I am just going to stick with beam elements, it should do for the moment. ill might try those things you mentioned later, when i focus more on the details of the problem.
i attached a model pic. that's with 10 nodes selected, with 100 N force in x-direction. and...
CFDFEAGURU - i built it in solidworks, and imported the sketch. I entered that command anyway. I ran a modal analysis, and as you said, two of my cables are flapping around like maniacs. these are the two that are behind the mast, and that provide reaction to the other front cables which have...
sorry its not just a simple cable, its a structure - basically, a vertical mast, with 5 tensioned cables running from the top point of the mast to supports at the ground.
im using beam189 elements for all. its not ideal obviously for the cables, but it may just have to do.
at the moment I...
Hi, what sort of elements would you use on a tensioned cable, pinned at either end, that is to have a uniform load across it ?
a single link8/10 element can't work because you can't put a UDL on it, only 2 nodes...Mulitple link elements won't work because there is no stiffness at each node...