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Experimental-numeri...
Experimental-numerical methods for inverse characterization of the anisotropic-anelastic properties of porous materials, based on dynamic Digital Image Correlation
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- Manzari, Luca (författare)
- KTH,MWL Marcus Wallenberg Laboratoriet
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- Mao, Huina (författare)
- KTH,MWL Marcus Wallenberg Laboratoriet
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- Göransson, Peter, 1959- (författare)
- KTH,MWL Marcus Wallenberg Laboratoriet,VinnExcellence Center for ECO2 Vehicle design
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- Cuenca, Jacques, 1983- (författare)
- KTH,MWL Marcus Wallenberg Laboratoriet,Siemens Industry Software, Leuven Belgium
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- Lopez Arteaga, Ines (författare)
- KTH,MWL Marcus Wallenberg Laboratoriet,VinnExcellence Center for ECO2 Vehicle design
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(creator_code:org_t)
- 2018
- 2018
- Engelska.
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Ingår i: Proceedings of ISMA 2018 - International Conference on Noise and Vibration Engineering and USD 2018 - International Conference on Uncertainty in Structural Dynamics. - 9789073802995 ; , s. 687-695
- Relaterad länk:
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https://www.isma-isa...
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https://kth.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- One of the major challenges in accurately modeling poroelastic materials is the choice of the parametersrequired for their modeling, immediately followed by the practical difficulty in obtaining them. The direc-tional dependencies of the physical properties further complicate the task of designing experimental setupscapable of providing the macroscopic properties. In the work presented here, the focus has been set on theacquisition of high quality displacement data by means of two high-speed cameras and 3D Digital ImageCorrelation. The obtained displacement field, is fed into a general inverse formulation which is guided by anoptimization tool that minimizes the difference between the predicted and the measured data. As a minimumis found, the corresponding parameters are interpreted as material properties for a certain physical model.The solutions for each iteration are calculated with numerical prediction tools, in the cases discussed herethe finite element method, where it must be ascertained that the numerical errors are kept to a minimal level
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Teknisk mekanik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Applied Mechanics (hsv//eng)
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