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1. |
Record Nr. |
UNINA9910293135603321 |
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Autore |
Briquel Dominique |
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Titolo |
Écriture et communication / / Dominique Briquel, Françoise Briquel Chatonnet |
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Pubbl/distr/stampa |
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Paris, : Éditions du Comité des travaux historiques et scientifiques, 2018 |
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ISBN |
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Descrizione fisica |
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1 online resource (140 p.) |
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Altri autori (Persone) |
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Briquel ChatonnetFrançoise |
ChatonnetFrançoise Briquel |
DarasseColine Ruiz |
ÉtienneRoland |
LafitteJean |
MontredonJacques |
PopovaOlga |
PradalierNicole |
Roche-HawleyCarole |
SiniChérif |
VignonVirginie |
BriquelDominique |
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Soggetti |
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History |
Communication |
communication |
écriture |
phénoménologie |
marqueur identitaire |
lecteur |
destinataire |
langage oral |
alphabet |
Antiquité |
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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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Sommario/riassunto |
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Le dossier présenté ici rassemble des communications prononcées lors du colloque de Nîmes en 2014 consacré au thème « Langages et communication ». Ici, il est essentiellement question de l’écriture à travers une approche phénoménologique, en tant que moyen de communication affiché, mais aussi comme marqueur de prestige, d’identité, comme moyen de communication dans le choix même de la forme, au-delà même du contenu du message. Une écriture s’affirme comme une simple retranscription visuelle d’un message oral, selon un code commun entre le locuteur et le destinataire, et qui permet au message de défier les barrières de l’espace et du temps. Définie comme cela, elle semble un outil parfaitement neutre. Les communications ici rassemblées montrent qu’il n’en est rien et que tout un message implicite est présent également dans le choix même d’écrire, dans la forme dans laquelle se coule le message écrit et que sont à l’œuvre ici des choix qui n’ont rien de neutre. |
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2. |
Record Nr. |
UNINA9910254069703321 |
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Autore |
Uzunca Murat |
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Titolo |
Adaptive discontinuous Galerkin methods for non-linear reactive flows / / by Murat Uzunca |
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Pubbl/distr/stampa |
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Cham : , : Springer International Publishing : , : Imprint : Birkhäuser, , 2016 |
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ISBN |
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Edizione |
[1st ed. 2016.] |
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Descrizione fisica |
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1 online resource (111 p.) |
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Collana |
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Lecture Notes in Geosystems Mathematics and Computing, , 2730-5996 |
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Disciplina |
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Soggetti |
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Numerical analysis |
Differential equations, Partial |
Geophysics |
Numerical Analysis |
Partial Differential Equations |
Geophysics/Geodesy |
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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. |
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Nota di contenuto |
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1 INTRODUCTION -- 1.1 Geological and computational background -- 1.2 Outline -- 2 DISCONTINUOUS GALERKIN METHODS -- 2.1 Preliminaries -- 2.2 Construction of IPG Methods -- 2.3 Computation Tools for Integral Terms -- 2.4 Effect of Penalty Parameter -- 2.5 Problems with Convection -- 3 ELLIPTIC PROBLEMS WITH ADAPTIVITY -- 3.1 Model Elliptic Problem -- 3.2 Adaptivity -- 3.3 Solution of Linearized Systems -- 3.4 Comparison with Galerkin Least Squares FEM (GLSFEM) -- 3.5 Numerical Examples -- 4 PARABOLIC PROBLEMS WITH TIME-SPACE ADAPTIVITY -- 4.1 Preliminaries and Model Equation -- 4.2 Semi-Discrete and Fully Discrete Formulations -- 4.3 Time-Space Adaptivity for Non-Stationary Problems -- 4.4 Solution of Fully Discrete System -- 4.5 Numerical Examples.-REFERENCES. . |
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Sommario/riassunto |
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The focus of this monograph is the development of space-time adaptive methods to solve the convection/reaction dominated non-stationary semi-linear advection diffusion reaction (ADR) equations with internal/boundary layers in an accurate and efficient way. After introducing the ADR equations and discontinuous Galerkin discretization, robust residual-based a posteriori error estimators in space and time are derived. The elliptic reconstruction technique is then utilized to derive the a posteriori error bounds for the fully discrete system and to obtain optimal orders of convergence. As coupled surface and subsurface flow over large space and time scales is described by (ADR) equation the methods described in this book are of high importance in many areas of Geosciences including oil and gas recovery, groundwater contamination and sustainable use of groundwater resources, storing greenhouse gases or radioactive waste in the subsurface. |
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