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saullocastro / pyfe3d

Finite elements for 3D problems in Python/Cython
BSD 3-Clause "New" or "Revised" License
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Should the K6ROT as used now for the Quad4R go directly into the stiffness matrix? #17

Closed saullocastro closed 2 years ago

saullocastro commented 2 years ago

Today we use alphat according to Eq. 2.20 in

F.M. Adam, A.E. Mohamed, A.E. Hassaballa, Degenerated Four Nodes Shell Element with Drilling Degree of Freedom, IOSR J. Eng. 3 (2013) 10–20. www.iosrjen.org (accessed April 20, 2020).

It is possible to calculate alphat according to any rule of K6ROT, so no changes in the main code are required.