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In the engine development process, simulation and predictive programs have continuously gained in reliance. Due to the complexity of future internal combustion engines the applications of simulations programs towards a reliable "virtual engine development" is a need that represents one of the greatest challenges. Marco Chiodi presents an innovative 3D-CFD-tool, exclusively dedicated and optimized for the simulation of internal combustion engines. Thanks to improved or newly developed 3D-CFD-models for the description of engine processes, this tool ensures an efficient and reliable calculation also by using course 3D-CFD-meshes. Based on this approach the CPU-time can be reduced up to a factor 100 in comparison to traditional 3D-CFD simulations. In addition an integrated and automatic "evaluation tool" establishes a comprehensive analysis of the relevant engine parameters. Due to the capability of a reliable "virtual development" of full-engines, this fast response 3D-CFD-tool makes a major contribution to the engine development process.
E-Book Content
Marco Chiodi An Innovative 3D-CFD-Approach towards Virtual Development of Internal Combustion Engines
VIEWEG+TEUBNER RESEARCH
Marco Chiodi
An Innovative 3D-CFDApproach towards Virtual Development of Internal Combustion Engines
VIEWEG+TEUBNER RESEARCH
Bibliographic information published by the Deutsche Nationalbibliothek The Deutsche Nationalbibliothek lists this publication in the Deutsche Nationalbibliografie; detailed bibliographic data are available in the Internet at http://dnb.d-nb.de.
Dissertation der Universität Stuttgart, Fakultät Konstruktions-, Produktions-und Fahrzeugtechnik, 2010 Hauptberichter: Prof. Dr.-Ing. Michael Bargende Mitberichter: Prof. Dr.-Ing. Giorgio Rizzoni Mitberichter: Prof. Dr.-Ing. Federico Millo Tag der mündlichen Prüfung: 22. Juni 2010
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“O frati”, dissi “che per cento milia perigli siete giunti a l’occidente, a questa tanto picciola vigilia d’i nostri sensi ch’è del rimanente, non vogliate negar l’esperienza, di retro al sol, del mondo sanza gente. Considerate la vostra semenza: fatti non foste a viver come bruti, ma per seguir virtute e canoscenza”.
Dante Alighieri La Divina Commedia, Inferno XXVI (Ulisse, 112-120)
Acknowledgments This work has been carried out during my activity in the department of internal combustion engines of the FKFS and IVK-University of Stuttgart under the direction of Prof. Dr.-Ing. Michael Bargende. Since 1998 first as research assistant and then as project manager of 3D-CFD-simulations I have dedicated most of my time in the development of a new approach in the 3D-CFD-simulation of internal combustion engines, that aims a better integration in the engine development process. This work wants to be the report of this project. I specially want to thank Prof. Michael Bargende for the opportunity, motivation, sc