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1. |
Record Nr. |
UNINA9910795453703321 |
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Autore |
Chen Jianxun |
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Titolo |
Development of soft particle code (SPARC) / / Chien-Hsun Chen |
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Pubbl/distr/stampa |
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Berlin : , : Logos, , [2015] |
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ISBN |
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Descrizione fisica |
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1 online resource (185 pages) : illustrations |
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Collana |
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Advances in Geotechnical Engineering and Tunneling ; ; 21 |
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Disciplina |
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Soggetti |
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Geotechnical engineering |
Granular materials |
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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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PublicationDate: 20150830 |
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Nota di bibliografia |
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Includes bibliographical references. |
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Sommario/riassunto |
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Long description: This work aims at developing a numerical simulation method, Soft PARticle Code (SPARC). The term textitsoft emphasizes that no boundaries between particles are defined and every particle possesses a support consisting of a set of adjacent particles. The polynomial interpolation/approximation method is utilized for the evaluation of spatial derivatives using the information carried by particles in supports. The system of equations consisting of spatial derivatives is solved using an iterative nonlinear solver and the computation of the Jacobian matrix is parallelized. The simulations of laboratory tests have been carried out to show the applications and limitations of the current version of SPARC. In addition to the simulations, laboratory (zig-zag) model tests using fine sand were carried out, in which the cyclic tilt of a retaining wall induces a peculiar motion in the backfill (sand), with closed trajectories (eddies). |
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2. |
Record Nr. |
UNIORUON00081326 |
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Titolo |
Noveaux langages du politique en Afrique Orientale / sous la direction de Denis Constant Martin |
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Pubbl/distr/stampa |
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Paris, : Karthala ; Nairobi, : Ifra, c1998 |
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ISBN |
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Descrizione fisica |
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302 p. : [3] c. geogr. ; 24 cm |
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Disciplina |
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Soggetti |
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Democrazia - Africa Orientale |
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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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