Correction of stiffness and mass matrices utilizing simulated measured modal data

DOI10.1016/j.apm.2008.08.010zbMath1205.74160OpenAlexW2066419069MaRDI QIDQ965651

Hee-Chang Eun, Eun-Taik Lee

Publication date: 24 April 2010

Published in: Applied Mathematical Modelling (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.apm.2008.08.010

zbMATH Keywords

cost functionorthogonalityMoore-Penrose inversedynamic constraintsmass matrix updatestiffness matrix update

Mathematics Subject Classification ID

Applications of mathematical programming (90C90) Finite element methods applied to problems in solid mechanics (74S05)

Related Items (6)

A direct method for updating mass and stiffness matrices with submatrix constraints ⋮ Submatrix constrained least-squares inverse problem for symmetric matrices from the design of vibrating structures ⋮ Integrated mathematical forms for update of physical parameter matrices of damped dynamic system ⋮ New symmetry preserving method for optimal correction of damping and stiffness matrices using measured modes ⋮ A new iterative model updating technique based on least squares minimal residual method using measured modal data ⋮ Projection and contraction method for updating simultaneously mass and stiffness matrices

Cites Work

• Finite element model updating in structural dynamics
• Direct update of dynamic mathematical models from modal test data
• Stiffness matrix correction from incomplete test data

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