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Development of solid-shell elements for large deformation simulation and springback predictionNguyen, Nhu Huynh 11 September 2009 (has links)
Objective of the thesis is to develop a finite element that is effective for simulation of thin-walled behavior, such as in metal forming processes. The thesis includes six chapters and is structured as follows. The first chapter presents the objects for the research. The second chapter introduces background methods which will be incorporated in the solid-shell elements. The third chapter develops an alternative ANS technique and applies it to the solid-shell elements. As a result, in that chapter a new solid-shell element based on the alternative ANS technique is proposed. Elastic applications of the just developed solid-shell element are illustrated in Chapter 4. In Chapter 5, plasticity theory and numerical problems in plasticity deformation are presented. The thesis specially concentrates on treating a current industrial problem: spring back prediction. Results in Chapter 4 and Chapter 5 demonstrate the capabilities of the proposed solid-shell element. Chapter 6 withdraws conclusions and then makes some remarkable future developments.
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Matthaeus Merian der Ältere : von der lieblichen Landschaft zum Kriegsschauplatz : Landschaft als Kulisse des30jährigen Krieges /Fuss, Ulrike Valeria, January 2000 (has links)
Texte remanié de: Diss.--Trier, 1996. / Bibliogr. p. 264-279.
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Der Nürnberger Exekutionstag 1649-1650 : das Ende des Dreissigjährigen Krieges in Deutschland /Oschmann, Antje. January 1991 (has links)
Diss.--Philosophische Fakultät--Bonn--Friedrich-Wilhelms-Universität, 1988. / Bibliogr. p. XVIII-LXII. Index.
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Knektar och bönder : knektersättare vid utskrivningarna i Nedre Satakunda under trettioåriga kriget /Huhtamies, Mikko, January 2004 (has links)
Texte remanié de: Avhandling--Historia--Åbo Akademi, 2000. / Bibliogr. p. 205-214.
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Richelieu et la Lorraine /Vignal Souleyreau, Marie-Catherine. January 2004 (has links)
Texte remanié de: Th. doct.--Hist.--Paris 4, 2002. / En appendice, choix de textes. Bibliogr. p. 19-26. Index.
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Ländliche Gesellschaft in Kriegszeiten : Bäuerliche Subsistenz zwischen Fiskus und Feudalherrschaft am Beispiel des oberbayerischen Pfleggericht Weilheim und des Klostergerichts Benediktbeuern im 17. Jahrhundert /Hille, Martin. January 1997 (has links)
Texte remanié de: Diss.--Philosophische Fakultät für Geschichts- und Kunstwissenschaften--München--Ludwig-Maximilians-Universität, 1994. Titre de soutenance : Zwischen Fiskus und Feudalherrschaft. Die Bewegungsvorgänge des südbayerischen Agrarsektors im Zeitalter des Dreißigjährigen Krieges (1600-1700). / Bibliogr. p. X-XXXVIII. Index.
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Wissen nach Augenmass : militärische Beobachtung und Berichterstattung im Siebenjährigen Krieg /Anklam, Ewa. January 2007 (has links)
Dissertation--Universität Braunschweig, 2006. / Bibliogr. p. 279-303.
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Réalité de la prescription des hypolipémiants chez les personnes âgées de plus de 80 ans étude en médecine générale ambulatoire, dans un secteur géographique limité /Lapierre, Frédérique Masson, Arnaud. January 2008 (has links) (PDF)
Thèse d'exercice : Médecine : Nancy 1 : 2008. / Titre provenant de l'écran-titre.
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Optimization of maintenance systemAndersson, Matilda, Wandfelt, Fredrik January 2013 (has links)
This report presents an optimization of the allocation of maintenance resources for Air Navigation Service (ANS) equipment of which LFV is responsible for the maintenance. The purpose the authors have worked after is to research ways of minimizing travelling time linked to maintenance visits for ANS equipment, this report includes the suggestions where the maintenance facilities should be placed in order to minimize the total travelling time. The report describes the problem background and presents the customer, LFV. It includes a chapter on some of the theories used for facility location and routing, and also presents methods for reducing the total travelling time used for maintenance visits annually. The authors have worked with a given set of airports in Sweden. Information about the general work with maintenance as well as the annual demand of maintenance, including the frequency of visits, for each airport included in this project was received by Pär Oberger, the task expert and contact at LFV for this report. A model for facility location based on the p-median model have been created and used when solving the problem, it was written in AMPL and solved with the CPLEX solver. The model was modified with two additional constraints regulating the minimum annual working time and the maximum distance for one-way travelling. The authors deems that a solution with five facilities is better since the benefit of additional facilities, in term of lower total distance, do not compensate for the assumed cost of establishing them.
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Die Kaiserliche Politik auf dem Westfälischen Friedenskongress, 1643-1648 /Ruppert, Karsten, January 1979 (has links)
Diss. : Geschichte : Bonn : 1977. - Bibliogr. p. 405-416. Index. -
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