Verfügbarkeit: Numerical simulations of granular flow and filling

Numerical simulations of granular flow and filling:

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Bibliographische Detailangaben
1. Verfasser:	Bierwisch, Claas Sven (VerfasserIn)
Format:	Abschlussarbeit Buch
Sprache:	English
Veröffentlicht:	Aachen Shaker 2009
Schriftenreihe:	Fraunhofer-Institut Werkstoffmechanik 2009,4
Schlagworte:	Granulat Coarse graining Fließgeschwindigkeit Dichteverteilung Diskrete-Elemente-Methode Hochschulschrift
Online-Zugang:	Inhaltsverzeichnis
Beschreibung:	144 S. Ill., graph. Darst. 21 cm, 222 gr.
ISBN:	9783832283384

Internformat

MARC


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Datensatz im Suchindex

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adam_text	4.2.2 YOUNG S MODULUS 62 CONTENTS 1 INTRODUCTION 13 2 NUMERICAL METHODS 17 2.1 DISCRETE ELEMENT METHOD 17 2.1.1 FORCE LAWS 18 2.1.2 NON-ROTATIONAL SPHERES 20 2.1.3 ROLLING SPHERES 21 2.1.4 COMPLEX GRAINS 21 2.1.5 BOUNDARY CONDITIONS 24 2.1.6 INITIAL CONDITIONS 24 2.1.7 SUMMARY- OF MODEL PARAMETERS 24 2.2 VOLUME FRACTION COMPUTATION 26 3 A COARSE GRAINING SCHEME FOR DISCRETE ELEMENT MODELING 29 3.1 FORCE SCALING 29 3.2 COARSE GRAINING TESTS 34 3.2.1 BULK PROPERTIES 34 3.2.2 SLIT FLOW 38 3.2.3 ANGLE OF REPOSE 41 3.3 CONCLUSION 43 4 MODELING OF REAL POWDERS IN STATIC AND DYNAMIC REGIMES 45 4.1 MODEL FITTING AND VALIDATION 46 4.1.1 FITTING OF PARAMETERS TO SLIT OUTFLOW 46 4.1.2 VALIDATION BY USING A LARGER SLIT 50 4.1.3 FITTING OF PARAMETERS TO ANGLE OF REPOSE 51 4.1.4 RECIPROCAL VALIDATION OF SLIT OUTFLOW AND ANGLE OF REPOSE . . . 53 4.1.5 VALIDATION WITH VOLUME FRACTIONS 54 4.1.6 VALIDATION WITH POWDER FILLING HEIGHT IN THE FEEDING SHOE * . 55 4.1.7 VALIDATION WITH FILLING LEVELS IN THE CIRCULAR CAVITY 57 4.1.8 VELOCITY AND VOLUME FRACTION FIELDS FOR SLIT OUTFLOW 59 4.2 INFLUENCE OF FURTHER MODEL PARAMETERS 62 4.2.1 INITIAL RANDOM PACKING 62 BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/995433364 DIGITALISIERT DURCH 4.2.3 DISSIPATIVE CONSTANT 64 4.2.4 EFFECTIVE WALL FRICTION 66 4.3 CONCLUSION 68 CONTINUUM DESCRIPTION AND ANALYTIC EXPRESSIONS FOR GRANULAR OUTFLOW 69 5.1 CONTINUUM DESCRIPTION OF VELOCITY DISTRIBUTIONS 70 5.1.1 DEM SIMULATIONS 70 5.1.2 KINEMATIC MODELING 71 5.1.3 COMPRESSIBLE KINEMATIC MODELING 74 5.1.4 SCALING PROPERTIES 78 5.2 ANALYTIC EXPRESSIONS FOR MASS FLOW RATES 82 5.2.1 TRANSIENT BEVERLOO EQUATION 82 5.2.2 MASS DISCHARGE FROM MOVING SHOE 85 5.2.3 EXPERIMENTAL VALIDATION 85 5.3 CONCLUSION 87 HOMOGENEOUS FILLING OF CAVITIES 89 6.1 COARSE GRAINING 90 6.2 ADJUSTMENT OF MODEL PARAMETERS 93 6.3 PREDICTION OF DENSITY DISTRIBUTIONS 94 6.4 TRANSIENT FILLING ANALYSES 96 6.4.1 DENSITY FORMATION DURING FILLING 96 6.4.2 GRAIN DISPLACEMENT AND SURFACE DENSIFICATION 96 6.5 DENSITY (IN)HOMOGENIZATION 100 6.5.1 INFLUENCE OF SHOE VELOCITY 100 6.5.2 CAVITY AND SHOE VIBRATIONS 101 6.5.3 VOLUMETRIC FILLING 103 6.6 CONCLUSION 105 SUMMARY AND OUTLOOK 107 MODELING OF WIRE SAWING 111 A.I NUMERICAL METHOD ILL A.I.I MODELING OF PEG ILL A.1.2 MODELING OF SIC GRAINS 113 A.1.3 MODELING OF WIRE AND INGOT 113 A.2 MODEL VALIDATION 115 A.2.1 DYNAMIC SIMILARITY 115 A.2.2 HYDRODYNAMIC DRAG 115 A.2.3 VISCOSITY 116 A.3 WIRE SAWING SIMULATIONS 116 A.3. A.3.2 CONTACT REGIMES 117 A.3.3 STRESS ON INGOT SURFACE 117 A.3.4 STRESS ON SIC GRAINS 119 A.4 CONCLUSION 121 B NUMERICAL SOLUTION OF PARTIAL DIFFERENTIAL EQUATIONS 123 C SIMULATION PARAMETERS 129 BIBLIOGRAPHY 135
any_adam_object	1
author	Bierwisch, Claas Sven
author_facet	Bierwisch, Claas Sven
author_role	aut
author_sort	Bierwisch, Claas Sven
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ctrlnum	(OCoLC)436300169 (DE-599)DNB995433364
dewey-full	531.1
dewey-hundreds	500 - Natural sciences and mathematics
dewey-ones	531 - Classical mechanics
dewey-raw	531.1
dewey-search	531.1
dewey-sort	3531.1
dewey-tens	530 - Physics
discipline	Physik Mathematik
format	Thesis Book
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isbn	9783832283384
language	English
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physical	144 S. Ill., graph. Darst. 21 cm, 222 gr.
publishDate	2009
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series	Fraunhofer-Institut Werkstoffmechanik
series2	Fraunhofer-Institut Werkstoffmechanik Berichte aus der Physik
spelling	Bierwisch, Claas Sven Verfasser aut Numerical simulations of granular flow and filling Claas Sven Bierwisch Aachen Shaker 2009 144 S. Ill., graph. Darst. 21 cm, 222 gr. txt rdacontent n rdamedia nc rdacarrier Fraunhofer-Institut Werkstoffmechanik 2009,4 Berichte aus der Physik Zugl.: Freiburg (Breisgau), Univ., Diss., 2009 Granulat (DE-588)4158040-0 gnd rswk-swf Coarse graining (DE-588)4487765-1 gnd rswk-swf Fließgeschwindigkeit (DE-588)4154635-0 gnd rswk-swf Dichteverteilung (DE-588)4489181-7 gnd rswk-swf Diskrete-Elemente-Methode (DE-588)4577038-4 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Granulat (DE-588)4158040-0 s Diskrete-Elemente-Methode (DE-588)4577038-4 s Coarse graining (DE-588)4487765-1 s Fließgeschwindigkeit (DE-588)4154635-0 s Dichteverteilung (DE-588)4489181-7 s DE-604 Fraunhofer-Institut Werkstoffmechanik 2009,4 (DE-604)BV021863845 2009,4 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=020433414&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Bierwisch, Claas Sven Numerical simulations of granular flow and filling Fraunhofer-Institut Werkstoffmechanik Granulat (DE-588)4158040-0 gnd Coarse graining (DE-588)4487765-1 gnd Fließgeschwindigkeit (DE-588)4154635-0 gnd Dichteverteilung (DE-588)4489181-7 gnd Diskrete-Elemente-Methode (DE-588)4577038-4 gnd
subject_GND	(DE-588)4158040-0 (DE-588)4487765-1 (DE-588)4154635-0 (DE-588)4489181-7 (DE-588)4577038-4 (DE-588)4113937-9
title	Numerical simulations of granular flow and filling
title_auth	Numerical simulations of granular flow and filling
title_exact_search	Numerical simulations of granular flow and filling
title_full	Numerical simulations of granular flow and filling Claas Sven Bierwisch
title_fullStr	Numerical simulations of granular flow and filling Claas Sven Bierwisch
title_full_unstemmed	Numerical simulations of granular flow and filling Claas Sven Bierwisch
title_short	Numerical simulations of granular flow and filling
title_sort	numerical simulations of granular flow and filling
topic	Granulat (DE-588)4158040-0 gnd Coarse graining (DE-588)4487765-1 gnd Fließgeschwindigkeit (DE-588)4154635-0 gnd Dichteverteilung (DE-588)4489181-7 gnd Diskrete-Elemente-Methode (DE-588)4577038-4 gnd
topic_facet	Granulat Coarse graining Fließgeschwindigkeit Dichteverteilung Diskrete-Elemente-Methode Hochschulschrift
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=020433414&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
volume_link	(DE-604)BV021863845
work_keys_str_mv	AT bierwischclaassven numericalsimulationsofgranularflowandfilling

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