Publicación: A MIXED PARAMETER FORMULATION WITH APPLICATIONS TO LINEAR VISCOELASTIC SLENDER STRUCTURES
Fecha
2024
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ESAIM-MATHEMATICAL MODELLING AND NUMERICAL ANALYSIS
Resumen
WE PRESENT THE ANALYSIS OF AN ABSTRACT PARAMETER-DEPENDENT MIXED VARIATIONAL FORMULATION BASED ON VOLTERRA INTEGRALS OF SECOND KIND. ADAPTING THE CLASSIC MIXED THEORY IN THE VOLTERRA EQUATIONS SETTING, WE PROVE THE WELL POSEDNESS OF THE RESULTING SYSTEM. STABILITY AND ERROR ESTIMATES ARE DERIVED, WHERE ALL THE ESTIMATES ARE UNIFORM WITH RESPECT TO THE PERTURBATION PARAMETER. WE PROVIDE APPLICATIONS OF THE DEVELOPED ANALYSIS FOR A VISCOELASTIC TIMOSHENKO BEAM AND REPORT NUMERICAL TESTS FOR THIS PROBLEM. WE ALSO COMMENT, NUMERICALLY, THE PERFORMANCE OF A VISCOELASTIC REISSNER?MINDLIN PLATE.
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Volterra integrals, Viscoelasticity, mixed methods, locking-free, error estimates
