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1. |
Record Nr. |
UNINA9910463952503321 |
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Autore |
Mei Chiang C |
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Titolo |
Homogenization methods for multiscale mechanics [[electronic resource] /] / Chiang C. Mei, Bogdan Vernescu |
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Pubbl/distr/stampa |
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Hackensack, N.J., : World Scientific, 2010 |
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ISBN |
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1-283-14381-X |
9786613143815 |
981-4282-45-6 |
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Descrizione fisica |
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1 online resource (350 p.) |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Homogenization (Differential equations) |
Mathematical physics |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Introductory examples of homogenization method. Long waves in a layered elastic medium ; Short waves in a weakly stratified elastic medium ; Dispersion of passive solute in pipe flow ; Typical procedure of homogenization analysis -- Diffusion in a composite. Basic equations for two components in perfect contact ; Effective equation on the macroscale ; Effective boundary condition ; Symmetry and positiveness of effective conductivity ; Laminated composites ; Bounds for effective conductivity ; Hashin-Shtrikman bounds ; Other approximate results for dilute inclusions ; Thermal resistance at the interface ; Laminated composites with thermal resistance ; Bounds for the effective conductivity ; Chemical transport in aggregated soil ; Appendix 2A : heat transfer in a two-slab system -- Seepage in rigid porous media. Equations for seepage flow and Darcy's law ; Uniqueness of the cell boundary-value problem ; Symmetry and positiveness of hydraulic conductivity ; Numerical computation of the permeability tensor ; Seepage of a compressible fluid ; Two-dimensional flow through a three-dimensional matrix ; Porous media with three scales ; Brinkman's modification of Darcy's law ; Effects of weak fluid intertia ; Appendix 3A : spatial averaging theorem -- Dispersion in periodic |
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media or flows. Passive solute in a two-scale seepage flow ; Macrodispersion in a three-scale porous medium ; Dispersion and transport in a wave boundary layer above the seabed ; Appendix 4A : derivation of convection-dispersion equation ; Appendix 4B : an alternate form of macrodispersion tensor -- Heterogeneous elastic materials. effective equations on the macroscale ; The effective elastic coefficients ; Application to fiber-reinforced composite ; Elastic panels with periodic microstructure ; Variational principles and bounds for the elastic moduli ; Hashin-Shtrikman bounds ; Partially cohesive composites ; Appendix 5A : properties of a tensor of fourth rank -- Deformable porous media. Basic equations for fluid and solid phases ; Scale estimates ; Multiple-scale expansions ; Averaged total momentum of the composite ; Averaged mass conservation of fluid phase ; Averaged fluid momentum ; Time-Harmonic motion ; Properties of the effective coefficients ; Computed elastic coefficients ; Boundary-layer approximation for macroscale problems ; Appendix 6A : properties of the compliance tensor ; Appendix 6B : variational principle for the elastostatic problem in a cell -- Wave propagation in inhomogeneous media. Long wave through a compact cylinder array ; Bragg scattering of short waves by a cylinder array ; Sound propagation in a bubbly liquid ; One-dimensional sound through a weakly random medium ; Weakly nonlinear dispersive waves in a random medium ; Harmonic generation in random media. |
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Sommario/riassunto |
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In many physical problems several scales present either in space or in time, caused by either inhomogeneity of the medium or complexity of the mechanical process. A fundamental approach is to first construct micro-scale models, and then deduce the macro-scale laws and the constitutive relations by properly averaging over the micro-scale. The perturbation method of multiple scales can be used to derive averaged equations for a much larger scale from considerations of the small scales. In the mechanics of multiscale media, the analytical scheme of upscaling is known as the Theory of Homogenizati |
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2. |
Record Nr. |
UNINA9910704385603321 |
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Autore |
Hepp A. F. |
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Titolo |
In-situ resource utilization for space exploration : resource processing, mission-enabling technologies, and lessons for sustainability on Earth and beyond / / A.F. Hepp [and six others] |
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Pubbl/distr/stampa |
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Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , December 2015 |
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Descrizione fisica |
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1 online resource (21 pages) : color illustrations, maps |
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Collana |
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Soggetti |
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Consumables (spacecraft) |
Materials handling |
Propulsion system configurations |
Space exploration |
Mars (planet) |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed on March 15, 2016). |
"December 2015." |
"Prepared for Propulsion and Energy Forum 2014 sponsored by the American Institute of Aeronautics and Astronautics, Cleveland, Ohio, July 28-30, 2014." |
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Nota di bibliografia |
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Includes bibliographical references (pages 19-21). |
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