Hugo Sol / Cees W.J. Oomens (eds.)

Material Identification Using Mixed Numerical Experimental Methods

Proceedings of the EUROMECH Colloquium held in Kerkrade, The Netherlands, 7¿9 April 1997
Herausgegeben:Sol, Hugo; Oomens, Cees W.J.

• Gebundenes Buch

Produktbeschreibung

Euromech 357 took place in the nice authentic monastery 'Rolduc' in Kerkrade, Holland. The objective was to bring together researchers to present their latest advancements in the relatively new domain of Material properties identification by Mixed Numerical Experimental Methods (MMM). MMM are a modem and increasingly powerful way to determine the values of unknown parameters in a numerical model by observations made on real physical test structures. Starting from the measurement of output values (like displacements, stresses, velocities, vibrations, .. ) of the real physical test structure, MMM try to update parameters in the numerical model in such a way that the computed observations match the experimental observations. It was shown clearly at the colloquium that the combined use of numerical analysing tools and sophisticated measurement techniques has created an extra degree of freedom for the design of experiments and has led to new approaches for material characterisation. The colloquium was attended by 39 participants coming from 12 different European countries. We had 23 oral presentations on the different topics of the above mentioned sessions. Each presentation was followed by an intensive discussion. Du~ to the informal atmosphere and the limited number of participants, the discussions were very lively and fruitful. The opportunity to continue to discuss common problems after dinner in a reserved place was also offered to the Euromech participants. This opportunity and the fact that the monastery was isolated (nobody could escape!) created an excellent platform for discussions and personal contacts.

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Produktdetails

• Verlag: Springer / Springer Netherlands
• Artikelnr. des Verlages: 978-0-7923-4779-8
• 1997.
• Seitenzahl: 260
• Erscheinungstermin: 30. November 1997
• Englisch
• Abmessung: 241mm x 160mm x 19mm
• Gewicht: 540g
• ISBN-13: 9780792347798
• ISBN-10: 079234779X
• Artikelnr.: 23027545

Inhaltsangabe

Composites.- Identification of the complex moduli of thin fibre reinforced polymer plates using measured modal parameters.- Characterization of interphase conditions in composite materials.- Identification of shear-moduli of microstructures.- Identification of the dynamic material properties of composite sandwich panels with a mixed numerical/experimental technique.- Mixed numerical and experimental stiffness identification methods for soft textile composites.- Elasto-Plasticity.- A simple method for determining the anisotropic properties of cold drawn wire.- Analysis of inhomogeneous displacement fields for the identification of parameters for elasto-plastic deformation laws.- Determination of Parameters in Elasto-Plastic Models of Aluminium.- Material parameter identification for large deformation plasticity models.- An inverse approach for the identification of complex material behaviours.- Miscellaneous.- Discussion on some estimators in mixed numerical/experimental techniques.- Stochastic parameter identification in the case of data uncertainties.- A combined numerical/experimental method for estimating parameters and structure of viscoelastic constitutive equations using complex flows.- Computer aided identification of the temperature dependence of thermal properties.- Concrete and soil.- Complex material property identification for cement matrix composites by a mixed numerical-experimental method.- Experiments and simulations of interface fracture in concrete.- Inverse analysis of a tunnel excavation problem from displacement and pore water pressure measurements.- Biological Materials.- Characterization of the in-plane mechanical behaviour of the human skin in vivo.- Determination of trabecular bone tissue elastic properties by comparison of experimental and finite element results.- Damage.- Mixed numerical/experimental method for the identification of damage in composite materials.- Inverse identification of the internal length scale of quasi-brittle materials using nonlocal damage models.- Parameter identification of the cohesive crack model.- Material property assessment in cracked reinforced concrete by dynamic system identification.- Abstracts from the presented posters.- Elastic moduli identification of a composite tube and an epoxy resin plate using both experimental and numerical modal analysis-sensibility analysis.- Soil identification using data processing of penetration experiments.- Complete elastic characterization of transversely isotropic composite rods by guided structural waves.- Identification of material parameters for measurement error models via multiplier methods.- Fibre/matrix interface fracture toughness identification in single fibre fragmentation test.- A mixed numerical and experimental approach for the identification of elastic plastic relations in wide range of strains, strain-rates and temperature.