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A plane hybrid element with rotational d.o.f. and adjustable stiffness

โœ Scribed by Robert D. Cook

Publisher
John Wiley and Sons
Year
1987
Tongue
English
Weight
486 KB
Volume
24
Category
Article
ISSN
0029-5981

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This paper presents two hybrid stress four-node tetrahedron solid elements which are equipped with the rotational d.o.f.s proposed by Allman. Inasmuch Allman's rotation is employed, the elements are plagued by zero-energy rotation modes which induce no strain. A modi"ed Hellinger}Reissner functional