I'd like to ask a question:
I define three nodes at the same location when I use the zero length element, and two zero length elements are created. Does this make the analysis abnormal? I observe that the force-deformation of zero length element is abnormal, but the modal analysis is normal.
code similar to this:
Code: Select all
op.node(1, 0, 0)
op.node(2, 0, 0)
op.node(3, 0, 0)
op.element('zeroLength', 1, *[1,2], '-mat', *[x, x, x], '-dir', *[1,2,3])
op.element('zeroLength', 2, *[2,3], '-mat', *[x, x, x], '-dir', *[1,2,3])