A non-linear beam space-time finite element formulation using quaternion algebra: Interpolation of the Lagrange multipliers and the appearance of spurious modes

DOI10.1007/BF00364256zbMath0762.73073MaRDI QIDQ1202731

Carlo L. Bottasso

Publication date: 3 February 1993

Published in: Computational Mechanics (Search for Journal in Brave)

zbMATH Keywords

eigenvectortangent matrixconstrained energy principlecontinuous- multiplier elements

Mathematics Subject Classification ID

Rods (beams, columns, shafts, arches, rings, etc.) (74K10) Finite element methods applied to problems in solid mechanics (74S05) Matrices over special rings (quaternions, finite fields, etc.) (15B33)

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