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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 65
Edited by: B.H.V. Topping
Paper VI.1

Plane Hybrid Stress Element for 3D Problems

Q.Z. Xiao+# and M. Dhanasekar+

+Faculty of Engineering and Physical Systems, Central Queensland University, Rockhampton, Queensland, Australia
#Department of Modern Mechanics, University of Science and Technology of China, Hefei, P.R. China

Full Bibliographic Reference for this paper
Q.Z. Xiao, M. Dhanasekar, "Plane Hybrid Stress Element for 3D Problems", in B.H.V. Topping, (Editor), "Finite Elements: Techniques and Developments", Civil-Comp Press, Edinburgh, UK, pp 147-157, 2000. doi:10.4203/ccp.65.6.1
A plane hybrid stress element is developed from the Hellinger-Reissner principle with the capabilities of predicting 3D displacement and stress fields in problems where the geometry, loading and constraints are symmetric about the middle plane. This element has the potential to model structural components that are moderately thick where the classical plane stress and plane strain assumptions fail. The element is also capable of meeting traction free conditions on lateral planes that are perpendicular to the axis passing through the thickness direction. Comparison of the results predicted by this element with a 3D analysis has proved the accuracy of the element.

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