Simulation eines Rührwerks mittels Overset Mesh in STAR-CCM+
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Simulation eines Rührwerks mittels Overset Mesh in STAR-CCM+

Simulation eines Rührwerks mittels Overset Mesh in STAR-CCM+


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About the Book

Studienarbeit aus dem Jahr 2015 im Fachbereich Ingenieurwissenschaften - Anlagenbau, Note: 1,0, Hochschule Mannheim (Institut für Anlagentechnik und Anlagensicherheit), Sprache: Deutsch, Abstract: Die hier vorliegende Arbeit verfolgt das Ziel, Ingenieure und Studenten aus dem Bereich Verfahrenstechnik auf die Durchführung von Overset Mesh-Simulationen vorzubereiten und deren Grundlagen zu erläutern. Als Form der Wissensvermittlung dient dabei ein Tutorial, durch welches die einzelnen Arbeitsschritte und Einstellungen verständlich gemacht werden sollen. Gegenstand des Tutorials ist ein Rührwerk. Dieses besteht aus einem Rührbehälter und zwei Rührorganen, deren Rotationsbereiche überlappen. Im vergangenen Verlauf der CFD Geschichte stellte die Simulation von mehreren bewegten Objekten und dessen Interaktionen eine erhebliche Herausforderung für die Berechnungsingenieure dar. Das Problem hierbei war die Notwendigkeit eines miteinander verbundenen Rechengitters zwischen den bewegten Objekten. Für die physikalischen Zeitschritte musste das Gitter immer wieder manuell aktualisiert werden. Dieser Prozess war in der Praxis sehr aufwendig und für große Bewegungsintervalle oder eng aneinander bewegte Teile war eine Simulation sogar oft unmöglich. Das CFD Werkzeug STAR-CCM+ der Firma CD-adapco hat seit der Version v7.02 die sogenannte Overset Mesh-Technologie eingebaut, die bisher mit jeder neuen Produktversion weiter optimiert und ausgebaut wurde. Das Overset Mesh (manchmal auch "Overlapping" oder "Chimera" Mesh genannt) erlaubt dem Nutzer jeweils ein individuelles Rechennetz um jedes bewegte Objekt zu generieren. Während der Simulation bzw. Berechnung bewegt sich das Overset Mesh mit dem jeweiligen Objekt im Background Mesh und die Zwischenergebnisse am Rand des Overset-Bereiches werden in einer Überlappungszone mit den Daten des Background Mesh interpoliert. Diese Technologie ermöglicht dem Simulationsingenieur die Behandlung von technischen Problemstellungen, die vorher


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Product Details
  • ISBN-13: 9783668252592
  • Publisher: Grin Verlag
  • Binding: Paperback
  • Language: German
  • Returnable: N
  • Spine Width: 5 mm
  • Width: 148 mm
  • ISBN-10: 3668252599
  • Publisher Date: 29 Aug 2016
  • Height: 210 mm
  • No of Pages: 74
  • Series Title: German
  • Weight: 159 gr


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