A new plate triangle based on Reissner-Mindlin plate theory is proposed. The element has a standard linear deflection field and an incompatible linear rotation field expressed in terms of the mid-side rotations. Locking is avoided by introducing an assumed linear shear strain field based on the tangential shear strains at the mid-sides. The element is free of spurious modes, satisfies the patch test and behaves correctly for thick and thin plate and shell situations. The element degenerates in a explicit manner to a simple DK form.
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Return to Zarate 1993a.
Published on 29/10/18Submitted on 29/10/18
Licence: CC BY-NC-SA license
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