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1. |
Record Nr. |
UNINA990000285090403321 |
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Autore |
Comitato nazionale per la chimica |
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Titolo |
Ricerche scientifiche promosse dal Comitato Nazionale per la Chimica del Consiglio Nazionale delle Ricerche (attività svolta nel periodo 1960-63) / a cura di V. Caglioti |
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Pubbl/distr/stampa |
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Descrizione fisica |
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Collana |
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Quaderni de La ricerca scientifica ; 30 |
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Disciplina |
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Locazione |
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Collocazione |
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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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In testa al front.: Consiglio Nazionale delle Ricerche |
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2. |
Record Nr. |
UNINA9910137186403321 |
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Autore |
Juuti Petri |
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Titolo |
Valkea kaupunki, mustat vedet : Helsingin vedet 1800-luvun lopusta 2000-luvulle / / Petri Juuti |
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Pubbl/distr/stampa |
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Tampere, : Tampere University Press, 2015 |
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Tampere, Finland : , : Tampere University Press, , 2015 |
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ISBN |
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9789514497186 |
9789514497193 |
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Descrizione fisica |
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1 online resource (301 pages) : illustrations; digital, PDF file(s) |
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Soggetti |
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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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Nota di bibliografia |
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Includes bibliographical references. |
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Sommario/riassunto |
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White City, Black Waters is written by Adjunct Professor, PhD Petri S Juuti. The book examines how water and waste water services and water protection started and developed in Helsinki and Greater Helsinki area from late 1800s to the 2000s. Furthermore, it is discussed what are the challenges of the future looked from the point of view of the professionals of the water sector. |
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3. |
Record Nr. |
UNINA9910717423303321 |
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Autore |
Korobeynikov Sergey |
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Titolo |
Objective algorithms for integrating hypoelastic constitutive relations based on corotational stress rates / / Sergey Korobeynikov and Alexey Larichkin |
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Pubbl/distr/stampa |
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Cham, Switzerland : , : Springer Nature Switzerland AG, , [2023] |
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©2023 |
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ISBN |
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Edizione |
[1st ed. 2023.] |
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Descrizione fisica |
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1 online resource (XIII, 107 p. 31 illus., 23 illus. in color.) |
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Collana |
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SpringerBriefs in Continuum Mechanics, , 2625-1337 |
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Disciplina |
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Soggetti |
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Calculus of tensors |
Continuum mechanics - Mathematics |
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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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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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1. Introduction -- 2. Preliminaries -- 3. Incremental tensors and the incremental objectivity of tensors -- 4. Incrementally objective algorithms for integrating CRs for Hooke-like hypoelastic models in the Eulerian form -- 5. Absolutely objective algorithms for integrating CRs for Hooke-like hypoelastic models -- 6. Comparative analysis and verification of objective algorithms -- 7. Concluding remarks. A. Flowcharts of objective algorithms for integrating hypoelastic constitutive relations -- B. Algorithms for determining the polar decomposition -- C. The Rodrigues formula for determining an incremental rotation tensor -- Index. |
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Sommario/riassunto |
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This book provides readers with a deep understanding of the use of objective algorithms for integration of constitutive relations (CRs) for Hooke-like hypoelasticity based on the use of corotational stress rates. The purpose of objective algorithms is to perform the step-by-step integration of CRs using fairly large time steps that provide high accuracy of this integration in combination with the exact reproduction of superimposed rigid body motions. Since Hooke-like hypoelasticity is included as a component in CRs for elastic-inelastic materials (e.g., in CRs for elastic-plastic materials), the scope of these algorithms is not limited to hypoelastic materials, but extends to many other materials subjected to large deformations. The authors performed a comparative |
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analysis of the performance of most currently available objective algorithms, provided some recommendations for improving the existing formulations of these algorithms, and presented new formulations of the so-called absolutely objective algorithms. The proposed book will be useful for beginner researchers in the development of economical methods for integrating elastic-inelastic CRs, as well as for experienced researchers, by providing a compact overview of existing objective algorithms and new formulations of these algorithms. The book will also be useful for developers of computer codes for implementing objective algorithms in FE systems. In addition, this book will also be useful for users of commercial FE codes, since often these codes are so-called black boxes and this book shows how to test accuracy of the algorithms of these codes for integrating elastic-inelastic CRs in modeling large rotations superimposed on the uniform deformation of any sample. . |
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