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Simulation diskreter Prozesse
Ulrich Hedtstück
Ebooks
Geometric Modeling for Scientific Visualization
Ebooks
Sciences formelles
Geometric Modeling for Scientific Visualization
473 pages
English
Ebooks
The Science and Art of Simulation I
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1Numerical simulation of compressible two phase flows
Fabien
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Education
1Numerical simulation of compressible two phase flows
Fabien
58 pages
English
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INTRODUCTION When walking on the foreshore one may notice the presence of a small a few centimeters fine and regular rhomboid pattern as the one presented on Figure Similar patterns where experimentally ob tained by Daerr et al when withdrawing a plate covered with a granular material from a bath of water at constant angle and velocity The striking regularity of the pattern may lead to incriminate a purely hydrodynamic instability the crossing stationary gravity waves in super critical flumes often result in comparable patterns The sand topography deformation would then only be the mark of an inhomogeneous water velocity field The experiments of Daerr et al suggest that a transverse instability of the moving contact line at the intersection of water and sediments surfaces might be responsible for the appearance of this ero sion patterns However most experimental runs lie outside the existence domain of a contact line see Devauchelle et al 2007a This invalidates the con tact line instability hypothesis The present paper aims to demonstrate that the bank instability well known in rivers since the work of Callander is a good candidate to represent the initial steps of rhomboid patterns development It is not exceptional in Geomorphology that a large scale phenomenon naturally occurring in turbulent rivers has a laminar counterpart Even if direct up scaling should not be expected in general it has been recently demonstrated that the mechanisms of erosion by water flows in laminar and turbulent re gimes are very comparable This statement holds in various situations from alternate bars to gravity cur rents including meanders and braids Malverti et al Malverti et al Métivier et al Smith Devauchelle et al 2007b Such anal ogy justifies the use of small scale experimental set up to better understand the fundamental features of erosion pattern formation
Jean Le Rond
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Education
INTRODUCTION When walking on the foreshore one may notice the presence of a small a few centimeters fine and regular rhomboid pattern as the one presented on Figure Similar patterns where experimentally ob tained by Daerr et al when withdrawing a plate covered with a granular material from a bath of water at constant angle and velocity The striking regularity of the pattern may lead to incriminate a purely hydrodynamic instability the crossing stationary gravity waves in super critical flumes often result in comparable patterns The sand topography deformation would then only be the mark of an inhomogeneous water velocity field The experiments of Daerr et al suggest that a transverse instability of the moving contact line at the intersection of water and sediments surfaces might be responsible for the appearance of this ero sion patterns However most experimental runs lie outside the existence domain of a contact line see Devauchelle et al 2007a This invalidates the con tact line instability hypothesis The present paper aims to demonstrate that the bank instability well known in rivers since the work of Callander is a good candidate to represent the initial steps of rhomboid patterns development It is not exceptional in Geomorphology that a large scale phenomenon naturally occurring in turbulent rivers has a laminar counterpart Even if direct up scaling should not be expected in general it has been recently demonstrated that the mechanisms of erosion by water flows in laminar and turbulent re gimes are very comparable This statement holds in various situations from alternate bars to gravity cur rents including meanders and braids Malverti et al Malverti et al Métivier et al Smith Devauchelle et al 2007b Such anal ogy justifies the use of small scale experimental set up to better understand the fundamental features of erosion pattern formation
Jean Le Rond
4 pages
English
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Meta Modelling Hybrid Formalisms Simon Lacoste Julien Hans Vangheluwe Juan de Lara and Pieter J Mosterman
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Cours
Meta Modelling Hybrid Formalisms Simon Lacoste Julien Hans Vangheluwe Juan de Lara and Pieter J Mosterman
6 pages
English
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Nonlinear Diffusion Model for Rayleigh Taylor Mixing
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Hyperbolic chemotaxis Hyperbolic chemotaxis on networks Models for biofilms Models for algae
Magali Ribot
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Education
Hyperbolic chemotaxis Hyperbolic chemotaxis on networks Models for biofilms Models for algae
Magali Ribot
21 pages
English
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FDTD analysis of a noninvasive hyperthermia system for brain tumors
Yacoob, Hassan
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Savoirs
FDTD analysis of a noninvasive hyperthermia system for brain tumors
Yacoob, Hassan
22 pages
English
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Computational Modelling of Biosensors of Complex Geometry ; Kompiuterinis sudėtinės geometrijos biojutiklių modeliavimas
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Savoirs
Computational Modelling of Biosensors of Complex Geometry ; Kompiuterinis sudėtinės geometrijos biojutiklių modeliavimas
30 pages
English
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Computer modeling of structural innovations in biosensors ; Kompiuterinis struktūrinių inovacijų biojutikliuose modeliavimas
Vmuser
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Savoirs
Computer modeling of structural innovations in biosensors ; Kompiuterinis struktūrinių inovacijų biojutikliuose modeliavimas
Vmuser
55 pages
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Research of Heat Storage Tank Operation Modes in Cogeneration Plant ; Kogeneracinės jėgainės šilumos akumuliacinės talpos veikimo režimų tyrimai
Giedre
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Savoirs
Research of Heat Storage Tank Operation Modes in Cogeneration Plant ; Kogeneracinės jėgainės šilumos akumuliacinės talpos veikimo režimų tyrimai
Giedre
24 pages
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Computational Modeling of Complex Reactions Kinetics in Biosensors ; Kompiuterinis daugiapakopių reakcijų kinetikos biojutikliuose modeliavimas
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Savoirs
Computational Modeling of Complex Reactions Kinetics in Biosensors ; Kompiuterinis daugiapakopių reakcijų kinetikos biojutikliuose modeliavimas
137 pages
English
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Numerical simulation of thin paint film flow
Figliuzzi Bruno, Jeulin Dominique, Lemaître Anaël, Fricout Gabriel, Piezanowski Jean-Jacques, Manneville, Manneville Paul
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Savoirs
Numerical simulation of thin paint film flow
Figliuzzi Bruno, Jeulin Dominique, Lemaître Anaël, Fricout Gabriel, Piezanowski Jean-Jacques, Manneville, Manneville Paul
20 pages
English
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Mathematical modelling of the action potential of human embryonic stem cell derived cardiomyocytes
Paci Michelangelo, Sartiani Laura, Jaconi Marisa, Mugelli Alessandro, Cerbai Elisabetta, Severi, Severi Stefano, Del
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Savoirs
Mathematical modelling of the action potential of human embryonic stem cell derived cardiomyocytes
Paci Michelangelo, Sartiani Laura, Jaconi Marisa, Mugelli Alessandro, Cerbai Elisabetta, Severi, Severi Stefano, Del
22 pages
English
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N d'ordre Annee
Gaelle Campagne
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On a new law of bone remodeling based on damage elasticity: a thermodynamic approach
Idhammad Ahmed, Abdali, Abdali Abdelmounaïm
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Savoirs
On a new law of bone remodeling based on damage elasticity: a thermodynamic approach
Idhammad Ahmed, Abdali, Abdali Abdelmounaïm
11 pages
English
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Curvature-driven diffusion-based mathematical image registration models
Akinlar Mehmet, Kurulay Muhammet, Secer Aydin, Celenk, Celenk Mehmet
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Savoirs
Curvature-driven diffusion-based mathematical image registration models
Akinlar Mehmet, Kurulay Muhammet, Secer Aydin, Celenk, Celenk Mehmet
6 pages
English
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The impact of rural hospital closures on equity of commuting time for haemodialysis patients: simulation analysis using the capacity-distance model
Matsumoto Masatoshi, Ogawa Takahiko, Kashima Saori, Takeuchi Keisuke, Takeuchi
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Savoirs
The impact of rural hospital closures on equity of commuting time for haemodialysis patients: simulation analysis using the capacity-distance model
Matsumoto Masatoshi, Ogawa Takahiko, Kashima Saori, Takeuchi Keisuke, Takeuchi
10 pages
English
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Qualitative behavior of a rational difference equation
Qian Xiao, Qi-Hong, Qi-Hong Shi
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Savoirs
Qualitative behavior of a rational difference equation
Qian Xiao, Qi-Hong, Qi-Hong Shi
6 pages
English
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