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Modeling and Simulation (funding period 1)



Last Update: 05.02.2013


Under Construction (15.3.2011)




Projects


Participants

Head of Working Group

    Members


      Publications

        2020

        • Wernicke, S.; Rosenthal, S.; Hahn, M.; Tekkaya, A.: Incremental Sheet-Bulk Metal Forming by application of thermal-controlled grading mechanisms. In: Lecture Notes in Production Engineering - Sheet-Bulk Metal Forming, (2020), Springer Nature Switzerland AG, accepted
        • Wernicke, S.; Hahn, M.; Tekkaya, A.: Fundamental Research and Process Development for the Manufacturing of Load-Optimized Parts by Incremental Sheet-Bulk Metal Forming. In: Lecture Notes in Production Engineering - Sheet-Bulk Metal Forming, (2020), Springer Nature Switzerland AG, accepted
        • Wernicke, S.; Thier, U.; Hahn, M.; Tekkaya, A.: Controlling material flow in incremental sheet-bulk metal Forming by thermal grading. In: Procedia Manufacturing, 50(2020), ELSEVIER, pp. 257-264
        • Gallus, S.; Wernicke, S.; Hahn, M.; Tekkaya, A.: T03: Inkrementelle Blechmassivumformung unter Anwendung thermisch gesteuerter Gradierungsmechanismen. In: Poster-Session im Rahmen des 23. Umformtechnischen Kolloquium Hannover – Innovationspotentiale in der Umformtechnik, 04. - 05. März., (2020), published

        2017

        • Gutknecht, F.; Isik, K.; Clausmeyer, T.; Tekkaya, A.: Comparison of gurson and lemaitre model in the context of blanking simulation of high stregth steel. In: E. Onate, D.R.J. Owen, M. Chiumenti (Edt.): Proceedings of XIV International Conference on Computational Plasticity, (2017), published

        2015

        • Beese, S.; Löhnert, S.; Wriggers, P.: 3D Ductile crack propagation with the XFEM. In: G. Zavarise, P. Cinnella and M. Campiti (Edt.): PAMM - Proc. Appl. Math. Mech., 15(2015)1, WILEY-VCH Verlag, pp. 747-748

        2014

        • Dr.-Jürgen-Ulderup-Preis. In: Preis für herrausragende Leistungen in der Promotion, (2014), published
        • Lehmann, E.: Dr.-Jürgen-Ulderup-Preis. In: Dr.-Jürgen-Ulderup-Stiftung (Edt.): Preis für herrausragende Leistungen in der Promotion, (2014), published
        • Lehmann, E.: Dr.-Jürgen-Ulderup-Preis. In: Dr.-Jürgen-Ulderup-Stiftung (Edt.): Preis für herrausragende Leistungen in der Promotion, (2014), Hannover: Dr.-Jürgen-Ulderup-Stiftung, published

        2013

        • Hauer, F.; Willner, K.: Development of a friction law respecting plastic surface smoothing. In: Key Engineering Materials (Edt.): 554(2013), Durnten - Zurich: Trans Tech Publications Ltd, pp. 1471-1477
        • Lehmann, E.: Computational homogenisation of polycrystalline elastoplastic microstructures at finite deformation. In: Prof. Dr.-Ing. habil. Dr. h.c. mult. Peter Wriggers (Edt.): Dissertation, (2013)2, Hannover: Institut für Kontinuumsmechanik, published

        2012

        • Lehmann, E.; Schmaltz, S.; Germain, S.; Faßmann, D.; Weber, C.; Löhnert, S.; Schaper, M.; Steinmann, P.; Willner, K.; Wriggers, P.: Material model identification for DC04 based on the numerical modelling of the polycrystalline microstructure and experimental data. In: ESAFORM 2012 - Key Engineering Materials (Edt.): 504(2012), doi:10.4028/www.scientific.net/KEM.504-506.993, pp. 993-998
        • Behrens, B.; Krimm, R.; Salfeld, V.: Process-machine interaction in Sheet-bulk metal forming. In: Key Engineering Materials (Edt.): (2012), pp. 999-1004
        • Germain, S.; Steinmann, P.: Towards inverse form finding methods for a deep drawing steel DC04. In: ESAFORM 2012 - Key Engineering Materials (Edt.): 504(2012), doi:10.4028/www.scientific.net/KEM.504-506.619, pp. 619-624
        • Merklein, M.; Opel, S.; Schneider, T.; Koch, J.: Überblick der Blechmassivumformung. In: Umformtechnik, 1(2012)3, Bamberg: Meisenbach, pp. 42-43
        • Breitsprecher, T.; Hense, R.; Hauer, F.; Wartzack, S.; Biermann, D.; Willner, K.: Acquisition of heuristic knowledge for the prediction of the frictional behavior of surface structures created by self-excited tool vibrations. In: Key Engineering Materials, 504(2012), Trans Tech Publications, pp. 963-968
        • Behrens, B.; Krimm, R.; Salfeld, V.: Analysis of Machine Influence on Process Stability in Sheet-Bulk Metal Forming. In: 45th CIRP CMS (Edt.): (2012), pp. 36-40
        • Lehmann, E.; Löhnert, S.; Wriggers, P.: Computational Homogenisation of Polycrystalline Elastoplastic Microstructures at Finite Deformation. In: Technische Mechanik, 32(2012)2, pp. 369-379
        • Vierzigmann, U.; Koch, J.; Merklein, M.; Engel, U.: Material Flow in Sheet-Bulk Metal Forming. In: Key Engineering Materials, 504(2012), Durnten-Zurich: Trans Tech Publications, pp. 1035-1040
        • Germain, S.; Steinmann, P.: On a recursive algorithm for avoiding mesh distortion in inverse form finding6(2012)1, Journal of the Serbian Society for Computational Mechanics, pp. 216-234
        • Hauer, F.; Willner, K.: Halfspace Simulation of Rough Surface Contact in Metal Forming. In: Proc. 10th World Congress on Computational Mechanics, ISBN 978-85-86686-70-2, (2012), published on CD
        • Germain, S.; Steinmann, P.: On two different inverse form finding methods for hyperelastic and elastoplastic materials12(2012), Proc. Appl. Math. Mech., pp. 263-264

        2011

        • Soyarslan, C.; Brosius, A.; Tekkaya, A.: Failure Analysis in Bending of a Class of High Strength Steel Sheets Using Porous Plasticity(2011), Tools and Forming 2011, published
        • Lehmann, E.; Schmaltz, S.; Faßmann, D.; Germain, S.; Weber, C.; Löhnert, S.; Schaper, M.; Bach, F.; Steinmann, P.; Willner, K.; Wriggers, P.: Identifikation eines Materialmodells für den DC04 basierend auf der numerischen Modellierung der polykristallinen Mikrostruktur und experimentellen Daten(2011), In: M. Merklein, Fr.-W. Bach, A.E. Tekkaya (Hrsg.): Tagungsband zum 1. Workshop Blechmassivumformung 2011, pp. 13-32
        • Soyarslan, C.; Brosius, A.; Tekkaya, A.: Characterization of initial anisotropy of sheet metals employing inhomogeneous strain fields(2011), Numisheet 2011, published
        • Behrens, B.; Krimm, R.; Bouguecha, A.; Salfeld, V.: Characterization of Horizontal Loads in the Production of Asymmetrical Parts(2011), published
        • Behrens, B.; Hübner, S.; Krimm, R.; Vucetic, M.; Cahyono, T.: Entwicklung eines hydraulischen Aktuators zur Schwingungsüberlagerung in der Umformmaschine(2011), published
        • Lehmann, E.; Löhnert, S.; Wriggers, P.: Towards the effective behaviour of polycrystalline materials for sheet bulk metal forming processes(2011), AIP Conf. Proc., 1353, pp. 1179-1184
        • Germain, S.; Steinmann, P.: On Inverse Form Finding for Anisotropic Elastoplastic Materials. In: Gary Menary, School of Mechanical and Aerospace Engineering (Edt.): 1353(2011), doi>10.1063/1.3589674: AIP Conference Proceedings, pp. 1169-1174
        • Merklein, M.; Tekkaya, A.; Brosius, A.; Opel, S.; Kwiatkowski, L.; Plugge, B.; Schunck, S.: Machines and Tools for Sheet-Bulk Metal Forming. In: Key Engineering Materials, 473(2011), Schweiz: Trans Tech Publications, pp. 91-98
        • Merklein, M.; Koch, J.; Opel, S.; Schneider, T.: Fundamental investigations on the material flow at combined sheet and bulk metal forming processes. In: Annals of the CIRP, 1(2011)60, Amsterdam: Elsevier, pp. 283-286
        • Hauer, F.; Vierzigmann, U.; Willner, K.; Engel, U.: Numerical simulation of friction in metal forming using a halfspace model. In: AIP Conference Proceedings, The 14th International ESAFORM Conference on Material Forming Esaform 2011, doi: 10.1063/1.3589482, 1353(2011), pp. 1741-1746
        • Behrens, B.; Hübner, S.; Bouguecha, A.; Krimm, R.; Cahyono, T.; Salfeld, V.; Vucetic, M.: Blechmassivumformung - ein neues Verfahren zur Herstellung komplexer Bauteile. In: Prof. Dr.-Ing. B.-A. Behrens (Edt.): (2011), published
        • Plugge, B.; Kwiatkowski, L.; Brosius, A.; Tekkaya, A.: Untersuchung von Umformstrategien zum Einstellen mechanischer Eigenschaften von Werkstücken mittels inkrementellem Blech-Massiv Walzen (2011), Belfast, pp. 193-200
        • Germain, S.; Steinmann, P.: A comparison between inverse form finding and shape optimization methods for anisotropic hyperelasticity in logarithmic strain space. In: G. Brenn, G.A. Holzapfel, M. Schanz and O. Steinbach (Edt.): 11(2011)1, DOI: 10.1002/pamm.201110175: Proc. Appl. Math. Mech., pp. 367-368
        • Germain, S.; Steinmann, P.: SHAPE OPTIMIZATION FOR ANISOTROPIC ELASTOPLASTICITY IN LOGARITHMIC STRAIN SPACE. In: E. Oñate, D.R.J. Owen, D. Peric and B. Suárez (Eds.) (Edt.): (2011), ISBN 978-84-89925-23-6: COMPUTATIONAL PLASTICITY XI Fundamentals and Applications, pp. 1479-1490
        • Schmaltz, S.; Willner, K.: DOI: 10.1002/pamm.201110208
        • Lehmann, E.; Löhnert, S.; Wriggers, P.: Towards the effective behaviour of polycrystalline microstructures at finite strains(2011), COMPLAS XI., Barcelona, Spain, accepted
        • Hauer, F.; Willner, K.: Elastic-plastic halfspace simulation. In: Proceedings of the 82st Annual Meeting of the International Association of Applied Mathematics and Mechanics, doi: 10.1002/pamm.201110101, (2011), pp. 219-220
        • Hauer, F.; Willner, K.: Halfspace modeling of elastic-plastic contact of rough surfaces. In: Computational Plasticity XI - Fundamentals and Applications, COMPLAS XI, (2011), pp. 965-975
        • Salfeld, V.; Krimm, R.; Behrens, B.: Investigations on the process-machine interaction by forming parts with sheet-bulk metal forming(2011), published
        • Soyarslan, C.; Plugge, B.; Faßmann, D.; Isik, K.; Kwiatkowski, L.; Schaper, M.; Brosius, A.; Tekkaya, A.: An experimental and Numerical Assessment of Sheet-Bulk Formability of Mild Steel DC04. In: Journal of Manufacturing Science and Engineering, 133(2011)6, pp. 1-9
        • Merklein, M.; Tekkaya, A.; Brosius, A.; Opel, S.; Koch, J.: Overview on Sheet-Bulk Metal Forming Processes. In: G. Hirt, A.E. Tekkaya (Edt.): Proceedings ICTP 2011, 10(2011), Aachen, pp. 1109-1114
        • Lehmann, E.; Löhnert, S.; Wriggers, P.: Computational Homogenisation of Polycrystalline Elastoplastic Microstructures at Finite Deformation. In: Proc. Appl. Math. Mech., 11(2011)1, pp. 401-402
        • Merklein, M.; Behrens, B.; Plettke, R.; Krimm, R.; Opel, S.; Schneider, T.; Salfeld, V.: Integrierte Fertigung von tiefgezogenen Blechbauteilen mit Verzahnungselementen unter Einsatz von prozessangepassten Halbzeugen. In: M. Merklein (Edt.): Tagungsband zum 1. Erlanger Workshop Blechmassivumformung 2011, (2011), Bamberg: Meisenbach, pp. 159-180
        • Breitsprecher, T.; Hense, R.; Hauer, F.; Biermann, D.: Akquise von heuristischem Wissen für die Prädiktion von Oberflächenstrukturen beim Fräsen mit regenerativen Werkzeugschwingungen. In: DFG SFB TR 73 (Edt.): Tagungsband zum 1. Erlanger Workshop Blechmassivumformung 2011, (2011), pp. 77-96
        • Brosius, A.; Soyarslan, C.; Stiemer, M.; Isik, K.; Faßmann, D.; Sieczkarek, P.; Tekkaya, A.; Blum, H.; Schaper, M.; Bach, F.: Numerische und metallurgische Analyse der Werkstoffschädigung in der Blechmassivumformung. In: M. Merklein, Fr.-W. Bach, A.E. Tekkaya (Edt.): Tagungsband zum 1. Workshop Blechmassivumformung, (2011), Bamberg: Meisenbach, pp. 33-50

        2010

        • Soyarslan, C.; Brosius, A.; Tekkaya, A.: Inverse method for identification of initial yield locus of sheet metals utilizing inhomogeneous deformation fields(2010), published
        • Behrens, B.; Krimm, R.; Hübner, S.; Cahyono, T.: Flow Analysis of a Rotary Piston Valve with CFX Mesh Motion Techniques(2010), published
        • Behrens, B.; Bouguecha, A.; Krimm, R.; Salfeld, V.: Consideration of Machine Properties in FE Analysis of Sheet Metal Forming Processes(2010), 2nd International Conference on Process Machine Interactions (CIRP-PMI), Vancouver, Canada, published on CD
        • Germain, S.; Steinmann, P.: On Inverse Form Finding for Anisotropic Hyperelasticity in Logarithmic Strain Space2(2010)2, IJSCS: Int. J. of Structural Changes in Solids - Mechanics and Applications, pp. 1-16
        • Germain, S.; Steinmann, P.: On Inverse Form Finding For Anisotropic Materials. In: Prof. Christian Wieners (Edt.): 10(2010)1, doi>10.1002/pamm.201010072: Proc. Appl. Math. Mech., pp. 159-160
        • Hauer, F.; Willner, K.: Normal contact simulation of non-Gaussian fractal surfaces. In: Proceedings of the 81st Annual Meeting of the International Association of Applied Mathematics and Mechanics, doi>10.1002/pamm.201010198, 10(2010), pp. 411-412
        • Weber, C.; Löhnert, S.; Wriggers, P.: Aspects of the Facet-Edge Data Structure for the Construction of Voronoi Cells. In: Proc. Appl. Math. Mech., 10(2010)1, pp. 645 – 646
        • Lehmann, E.; Löhnert, S.; Wriggers, P.: Modelling Metals at Finite Deformation. In: Proc. Appl. Math. Mech., 10(2010)1, pp. 305-306
        • Merklein, M.; Koch, J.; Schneider, T.; Opel, S.; Vierzigmann, U.: Manufacturing of Complex Functional Components with Variants by Using a new Metal Forming Process – Sheet-Bulk Metal Forming. In: International Journal of Metrial Forming, (2010), Paris: Springer, pp. 347-350
        • Stiemer, M.; Brosius, A.; Blum, H.; Tekkaya, A.; Merklein, M.: Blechmassivumformung - Potential, technologische Herausforderung und numerische Simulation der umformtechnischen Herstellung komplexer Funktionsbauteile mit Nebenformen aus Blechen. In: Simufact Engineering GmbH (Edt.): Proceedings of the 12th RountTable - Simulation in der Massivumformung, (2010), Bamberg, pp. 221-238

        Presentations

          2012

          • 14.03.2012: Germain, S.; Lehmann, E.; Schmaltz, S.; Faßmann, D.; Weber, C.; Löhnert, S.; Schaper, M.; Bach, F.; Steinmann, P.; Willner, K.; Wriggers, P.: Material model identification for DC04 based on the numerical modelling of the polycrystalline microstructure and experimental data, ESAFORM 2012, Erlangen, Germany
          • 14.03.2012: Germain, S.: Towards inverse form finding methods for a deep drawing steel DC04, ESAFORM 2012, Erlangen, Germany
          • 14.03.2012: Breitsprecher, T.; Hense, R.; Hauer, F.: Acquisition of heuristic knowledge for the prediction of the frictional behavior of surface structures created by self-excited tool vibrations, ESAFORM 2012, Erlangen
          • 14.03.2012: Salfeld, V.: Process-Machine Interaction in Sheet-Bulk Metal Forming, Erlangen (ESAFORM 2012)
          • 29.03.2012: Germain, S.: On inverse form finding for anisotropic materials, GAMM 2012, Darmstadt, Germany
          • 17.05.2012: Salfeld, V.: Analysis of Machine Influence on Process Stability in Sheet-Bulk Metal Forming, Athen (45th CIRP CMS)
          • 11.07.2012: Hauer, F.; Willner, K.: Halfspace Simulation of Rough Surface Contact in Metal Forming, 10th World Congress on Computational Mechanics, Sao Paulo, Brasilien

          2011

          • 18.04.2011: Salfeld, V.: Characterization of Horizontal Loads in the Production of Asymmetrical Parts, Leuven
          • 19.04.2011: Germain, S.; Steinmann, P.: A comparison between inverse form finding and shape optimization methods for anisotropic hyperelasticity in logarithmic strain space, GAMM 2011 Graz Austria
          • 19.04.2011: Lehmann, E.; Löhnert, S.; Wriggers, P.: Computational Homogenisation of Polycrystalline Elastoplastic Microstructures at Finite Deformation, 82nd GAMM Annual Meeting, Graz, Österreich
          • 21.04.2011: Hauer, F.; Willner, K.: Elastic-plastic halfspace simulation, GAMM 2011, Graz, Österreich
          • 21.04.2011: Große-Wöhrmann, A.: Modeladaptivity in sheet-bulk metal forming (SBMF), GAMM 2011, Graz, Austria
          • 28.04.2011: Hauer, F.; Vierzigmann, U.; Willner, K.; Engel, U.: Numerical simulation of friction in metal forming using a halfspace model, ESAFORM 2011, Belfast, UK
          • 31.08.2011: Lehmann, E.; Löhnert, S.; Wriggers, P.: Computational Homogenisation of Polycrystalline Elastoplastic Microstructures at Finite Deformation, 2nd International Conference on Material Modelling, Paris, Frankreich
          • 08.09.2011: Germain, S.; Steinmann, P.: Shape Optimization for Anisotropic Elastoplasticity in Logarithmic Strain Space, COMPLAS2011 Barcelona Spain
          • 08.09.2011: Hauer, F.; Willner, K.: Halfspace Modeling of Elastic-plastic Contact of Rough Surfaces, XI International Conference on Computational Plasticity, Barcelona
          • 30.09.2011: Große-Wöhrmann, A.: A posteriori control of modeling and discretization errors in finite elastoplasticity, Chemnitz FEM Symposium 2011, Holzhau
          • 10.11.2011: Salfeld, V.: INVESTIGATION ON THE PROCESS-MACHINE INTERACTION BY FORMING PARTS WITH SHEET-BULK METAL FORMING, Bucharest

          2010

          • 23.03.2010: Hauer, F.; Willner, K.: Normal contact simulation of non-Gaussian fractal surfaces, GAMM 2010, Karlsruhe
          • 24.03.2010: Weber, C.: Aspects of the Facet-Edge Data Structure for the Construction of Voronoi Cells, GAMM, Karlsruhe
          • 25.03.2010: Germain, S.: On Inverse Form Finding for Anisotropic Materials, GAMM 2010, Karlsruhe
          • 09.04.2010: Schneider, T.: Manufacturing of Complex Functional Components with Variants by Using a New Metal Forming Process – Sheet-Bulk Metal Forming, ESAFORM 2010, Brescia
          • 17.05.2010: Germain, S.: Towards form finding for anisotropic materials, IV European Conference on Computational Mechanics, Paris
          • 18.05.2010: Hauer, F.; Willner, K.: Elastic-plastic contact simulation using halfspace theory, ECCM 2010, IV European Conference on Computational Mechanics, Paris
          • 10.06.2010: Salfeld, V.: Consideration of Machine Properties in FE Analysis of Sheet Metal Forming Processes, 2nd CIRP-Process Machine Interaction, Vancouver
          • 10.09.2010: Salfeld, V.: Determination of process machine interactions in sheet metal forming by means of optical measuring system, Braunschweig

          2009

          • 07.09.2009: Germain, S.: On Inverse Form Finding for Hyperelasticity in Logarithmic Strain Space, 7th EUROMECH Solid Mechanics Conference (ESMC 2009), Lisbon, Portugal