Mergheim, Julia, Prof. Dr.-Ing.
Prof. Dr.-Ing. Julia Mergheim
Forschung
- Nichtlineare FEM
- Multiskalen-Modellierung und Simulation
- Rissausbreitungssimulation
Publikationen
2022
Observations on additive plasticity in the logarithmic strain space at excessive strains
In: International Journal of Solids and Structures 239 (2022)
ISSN: 0020-7683
DOI: 10.1016/j.ijsolstr.2021.111416
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Investigation of a nonlinear piezoelectric energy harvester with advanced electric circuits with the finite element method
In: SN Applied Sciences 4 (2022), Art.Nr.: 120
ISSN: 2523-3963
DOI: 10.1007/s42452-022-05003-1
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Experimentelle und numerische Untersuchung des Einflusses variabler Betriebstemperaturen auf das Trag- und Versagensverhalten struktureller Klebverbindungen unter Crashbelastung
22. Kolloquium: Gemeinsame Forschung in der Klebtechnik (Online-Tagung, 15. Februar 2022 - 16. Februar 2022)
(Conference report)
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2021
Inverse parameter identification of an anisotropic plasticity model for sheet metal
40th International Deep-Drawing Research Group Conference (IDDRG) (, ELECTR NETWORK)
In: INTERNATIONAL DEEP-DRAWING RESEARCH GROUP CONFERENCE (IDDRG 2021), BRISTOL: 2021
DOI: 10.1088/1757-899X/1157/1/012004
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Towards elasto-plastic continuum-kinematics-inspired peridynamics
In: Computer Methods in Applied Mechanics and Engineering 380 (2021), Art.Nr.: 113809
ISSN: 0045-7825
DOI: 10.1016/j.cma.2021.113809
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A Novel Approach to Predict the Process-Induced Mechanical Behavior of Additively Manufactured Materials
In: Journal of Materials Engineering and Performance (2021)
ISSN: 1059-9495
DOI: 10.1007/s11665-021-05725-0
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Size Effects in Computational Homogenization of Polymer Nano-Composites
In: Proceedings in Applied Mathematics & Mechanics 2021
DOI: 10.1002/pamm.202000047
URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/pamm.202000047
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Enhanced computational homogenization techniques for modelling size effects in polymer composites
In: Computational Mechanics (2021)
ISSN: 0178-7675
DOI: 10.1007/s00466-021-02037-x
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Stochastic local FEM for computational homogenization of heterogeneous materials exhibiting large plastic deformations
In: Computational Mechanics (2021)
ISSN: 0178-7675
DOI: 10.1007/s00466-021-02099-x
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Modeling crystallization kinetics for selective laser sintering of polyamide 12
In: GAMM-Mitteilungen (2021)
ISSN: 0936-7195
DOI: 10.1002/gamm.202100011
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Vibration energy harvesting and internal electric potential of (Na,K)NbO3/polyimide piezoelectric composites
In: Japanese Journal of Applied Physics 60 (2021)
ISSN: 0021-4922
DOI: 10.35848/1347-4065/ac1c3e
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2020
Finite element modeling of residual stress and geometrical error formations in selective laser melting of metals
In: Proceedings of the Institution of Mechanical Engineers Part C-Journal of Mechanical Engineering Science (2020)
ISSN: 0954-4062
DOI: 10.1177/0954406220943225
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A comparison of material models for the simulation of selective beam melting processes
In: Procedia CIRP 94 (2020), S. 52-57
ISSN: 2212-8271
DOI: 10.1016/j.procir.2020.09.011
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Behavior of vibration energy harvesters composed of polymer fibers and piezoelectric ceramic particles
In: Sensors and Actuators A-Physical 303 (2020), Art.Nr.: 111699
ISSN: 0924-4247
DOI: 10.1016/j.sna.2019.111699
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Numerical and experimental investigation of the isothermal assumption in selective laser sintering of PA12
In: Additive Manufacturing (2020)
ISSN: 2214-7810
DOI: 10.1016/j.addma.2020.101676
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FE2 simulations of magnetorheological elastomers: influence of microscopic boundary conditions, microstructures and free space on the macroscopic responses of MREs
In: International Journal of Solids and Structures 193-194 (2020), S. 338-356
ISSN: 0020-7683
DOI: 10.1016/j.ijsolstr.2020.02.015
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2019
Reduced-Order Modelling and Homogenisation in Magneto-Mechanics: A Numerical Comparison of Established Hyper-Reduction Methods
In: Mathematical and Computational Applications 24 (2019)
ISSN: 1300-686X
DOI: 10.3390/mca24010020
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An energetically consistent heat input model for additive manufacturing
In: Proceedings in Applied Mathematics and Mechanics 19 (2019)
ISSN: 1617-7061
DOI: 10.1002/pamm.201900297
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Gradient Enhanced Crystal Plasticity in Additive Manufacturing Identification of a Macroscopic Yield Criterion
In: Proceedings in Applied Mathematics and Mechanics (2019)
ISSN: 1617-7061
DOI: 10.1002/pamm.201900308
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Numerical microstructure prediction by a coupled finite element cellular automaton model for selective electron beam melting
In: Computational Materials Science 162 (2019), S. 148-155
ISSN: 0927-0256
DOI: 10.1016/j.commatsci.2019.03.004
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On periodic boundary conditions and ergodicity in computational homogenization of heterogeneous materials with random microstructure
In: Computer Methods in Applied Mechanics and Engineering 357 (2019)
ISSN: 0045-7825
DOI: 10.1016/j.cma.2019.07.032
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Thermal modelling of selective beam melting processes using heterogeneous time step sizes
In: Computers & Mathematics with Applications 78 (2019), S. 2183-2196
ISSN: 0898-1221
DOI: 10.1016/j.camwa.2018.04.036
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Implementation of generalized mechanical interfaces
In: Proceedings in Applied Mathematics and Mechanics 19 (2019)
ISSN: 1617-7061
DOI: 10.1002/pamm.201900031
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2018
Experimentelle und simulative Untersuchung der zeit- und ortsaufgelösten Temperaturfelder beim selektiven Strahlschmelzen von Kunststoffen
6. Industriekolloquium des Sonderforschungsbereichs 814 (Nürnberg, 13. Dezember 2018 - 13. Dezember 2018)
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Topology Optimization in Additive Manufacturing Considering the Grain Structure of Inconel 718 using Numerical Homogenization
iCAT 2018 (Maribor, 10. Oktober 2018 - 11. Oktober 2018)
In: Proceedings of 7th International Conference on Additive Technologies 2018
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Modeling of additively manufactured materials using gradient-enhanced crystal plasticity
In: Computers & Mathematics with Applications (2018)
ISSN: 0898-1221
DOI: 10.1016/j.camwa.2018.05.016
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Single crystal plasticity – A mesoscale based approach for modeling the mechanics of additively manufactured Inconel 718
In: Proceedings in Applied Mathematics and Mechanics (2018)
ISSN: 1617-7061
DOI: 10.1002/pamm.201800389
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2017
Evolution of cell cracks in PV-modules under field and laboratory conditions
In: Progress in Photovoltaics (2017)
ISSN: 1062-7995
DOI: 10.1002/pip.2975
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Lifetime and Degradation of Pre-damaged PV-Modules - Field study and lab testing
44th Photovoltaic Specialist Conference (PVSC) (Washington, DC, 25. Juni 2017 - 30. Juni 2017)
In: IEEE (Hrsg.): Conference record of the IEEE Photovoltaic Specialists Conference 2017
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Lifetime and Degradation of Pre-damaged PV-Modules – Field study and lab testing
44th IEEE Photovoltaic Specialists Conference (Washington D.C., 25. Juni 2017 - 30. Juni 2017)
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Macroscopic simulation and experimental measurement of melt pool characteristics in selective electron beam melting of Ti-6Al-4V
In: International Journal of Advanced Manufacturing Technology (2017)
ISSN: 0268-3768
DOI: 10.1007/s00170-016-8819-6
URL: http://link.springer.com/article/10.1007/s00170-016-8819-6
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A numerical study of different projection-based model reduction techniques applied to computational homogenisation
In: Computational Mechanics (2017)
ISSN: 0178-7675
DOI: 10.1007/s00466-017-1428-x
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2016
Reduced-order modelling for linear heat conduction with parametrised moving heat sources
In: GAMM-Mitteilungen 39 (2016), S. 170-188
ISSN: 0936-7195
DOI: 10.1002/gamm.201610011
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Mesoscopic modelling of additively manufactured Inconel 718
5th International Conference on Additive Technologies - iCAT2016 (Nürnberg)
In: Igor Drstvenšek, Dietmar Drummer, Michael Schmidt (Hrsg.): Proceedings 6th International Conference on Additive Technologies - iCAT2016, Ljubljana: 2016
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Modelling additive manufactured materials using a crystal plasticity model
In: Proceedings in Applied Mathematics and Mechanics 16 (2016), S. 355-356
ISSN: 1617-7061
DOI: 10.1002/pamm.201610166
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Numerical homogenization of elastic and thermal material properties for metal matrix composites (MMC)
In: Continuum Mechanics and Thermodynamics (2016)
ISSN: 0935-1175
DOI: 10.1007/s00161-016-0515-0
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Computational Homogenisation using Reduced-Order Modelling applied to Hyperelasticity
In: Proceedings in Applied Mathematics and Mechanics 16 (2016), S. 551-552
ISSN: 1617-7061
DOI: 10.1002/pamm.201610264
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Reducing computational cost of the simulation of selective laser melting of PA12
6th International Conference on Additive Technologies - iCAT 2016 (Nürnberg, 29. November 2016 - 30. November 2016)
In: Igor Drstvenšek, Dietmar Drummer und Michael Schmidt (Hrsg.): Proceedings of the 6th International Conference on Additive Technologies, Ljubljana: 2016
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Computational Homogenization in Magneto-Mechanical Composites
In: Proceedings in Applied Mathematics and Mechanics 16 (2016), S. 501-502
ISSN: 1617-7061
DOI: 10.1002/pamm.201610239
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2015
Computational homogenization of rope-like technical textiles
In: Computational Mechanics 55 (2015), S. 577-590
ISSN: 0178-7675
DOI: 10.1007/s00466-015-1124-7
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Realization of multi-material polymer parts by simultaneous laser beam melting
In: Journal of Laser Micro Nanoengineering 10 (2015), S. 140-147
ISSN: 1880-0688
DOI: 10.2961/jlmn.2015.02.0006
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Computational Homogenization of Micromechanically Resolved Textile Materials
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Thermomechanical simulation of the selective laser melting process for PA12 including volumetric shrinkage
The 30th International Conference of the Polymer Processing Society (Cleveland)
In: PROCEEDINGS OF PPS-30, Cleveland, USA: 2015
DOI: 10.1063/1.4918512
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Identification of elastoplastic microscopic material parameters within a homogenization scheme
In: International Journal for Numerical Methods in Engineering 104 (2015), S. 391–407
ISSN: 0029-5981
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Two-scale elastic parameter identification from noisy macroscopic data
In: Archive of Applied Mechanics (2015)
ISSN: 0939-1533
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2014
Microscale modeling and homogenization of rope-like textiles
85th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM) (Erlangen)
In: Proc. Appl. Math. Mech., Weinheim: 2014
DOI: 10.1002/pamm.201410262
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Modelling, simulation and experimental validation of heat transfer in selective laser melting of the polymeric material PA12
In: Computational Materials Science 93 (2014), S. 239-248
ISSN: 0927-0256
DOI: 10.1016/j.commatsci.2014.06.046
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Simulation of the temperature distribution in the selective beam melting process for polymer material
29th International Conference of the Polymer Processing Society (Nuremberg, Germany, 15. Juli 2013 - 19. Juli 2013)
In: 29th International Conference of the Polymer Processing Society, USA: 2014
DOI: 10.1063/1.4873876
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Thermomechanical Simulation of the Electron Beam Melting Process for TiAl6V4
GAMM 2014 (Erlangen, Germany, 10. März 2014 - 14. März 2014)
In: Proceedings in Applied Mathematics and Mechanics, Erlangen, Germany: 2014
DOI: 10.1002/pamm.201410219
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Simulation von Temperaturfeldern und mechanischen Materialverhalten in additiven Fertigungsprozessen
3. Industriekolloquium des Sonderforschungsbereichs 814 - Additive Fertigung (Nuremberg, Germany, 12. April 2014)
In: 3. Industriekolloquium des Sonderforschungsbereichs 814 - Additive Fertigung 2014
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Thermomechanical finite element simulations of selective electron beam melting processes: Performance considerations
In: Computational Mechanics 54 (2014), S. 109-122
ISSN: 0178-7675
DOI: 10.1007/s00466-014-1026-0
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2013
Selektives Laserstrahlschmelzen von Kunststoffen - Modellierung des Temperaturhaushaltes und Einfluss auf resultierende Bauteileigenschaften
2. Industriekolloquium des SFB 814 (Nürnberg)
In: 2. Industriekolloquium des SFB 814 2013
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Computational modelling and homogenization of technical textiles
In: Engineering Structures 50 (2013), S. 68-73
ISSN: 0141-0296
DOI: 10.1016/j.engstruct.2013.01.025
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Homogenization of heterogeneous, fibre structured materials
COMPLAS XII (Barcelona, Spain, 3. September 2013 - 5. September 2013)
In: COMPLAS XII - XII Inernational Conference on Computational Plasticity. Fundamentals and Applications, Barcelona, Spain: 2013
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Micro-to-macro transitions for continua with surface structure at the microscale
In: International Journal of Solids and Structures 50 (2013), S. 2561-2572
ISSN: 0020-7683
DOI: 10.1016/j.ijsolstr.2013.03.022
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Modeling and simulation of curing and damage in thermosetting adhesives
In: Journal of Adhesion 89 (2013), S. 111
ISSN: 0021-8464
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Phenomenological modelling of self-healing polymers
In: Computational Mechanics 52 (2013), S. 681-692
ISSN: 0178-7675
DOI: 10.1007/s00466-013-0840-0
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2012
Homogenization and modelling of technical textiles
ECCOMAS 2012 (Vienna, Austria)
In: European Congress on Computational Methods in Applied Sciences and Engineering Proceedings, Viena, Austria: 2012
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On the homogenization of technical textiles
In: Bytes and science, Barcelona: International Center for Numerical Methods in Engineering, 2012, S. -
ISBN: 9788494024320
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Micro-to-macro transitions for heterogeneous material layers accounting for in-plane stretch
In: Journal of the Mechanics and Physics of Solids 60 (2012), S. 1221-1239
ISSN: 0022-5096
DOI: 10.1016/j.jmps.2012.01.003
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Modelling and computation of curing and damage of thermosets
In: Computational Materials Science 53 (2012), S. 359-367
ISSN: 0927-0256
DOI: 10.1016/j.commatsci.2011.09.013
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Macroscopic modelling of the selective beam melting process
83rd GAMM (Darmstadt, Germany)
In: Proceedings in Applied Mathematics and Mechanics, Darmstadt, Germany: 2012
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2011
Computational Homogenization and Parameter-Identification for Heterogeneous Inelastic Materials
GAMM 2011 (Graz, Austria)
In: Proceedings of Applied Mathematics and Mechanics (PAMM), Weinheim: 2011
DOI: 10.1002/pamm.201110447
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Two-Scale Parameter Identification for heterogeneous elastoplastic materials
COMPLAS XI (Barcelona, Spain, 7. September 2011 - 9. September 2011)
In: Proceeding of 11h International Conference on Computational Plasticity, Fundamentals and Applications 2011
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2010
On the C1 continuous discretization of nonlinear gradient elasticity: a comparison of NEM and FEM based on Bernstein-Bézier patches
In: International Journal for Numerical Methods in Engineering 82 (2010), S. 1282-1307
ISSN: 0029-5981
DOI: 10.1002/nme.2802
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Isogeometric Analysis of 2D Gradient Elasticity
In: Computational Mechanics (2010)
ISSN: 0178-7675
DOI: 10.1007/s00466-010-0543-8
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A Comparison of Different Approaches in the Multi-Scale Computation of Configurational Forces
In: International Journal of Fracture (2010), S. accepted
ISSN: 0376-9429
DOI: 10.1007/s10704-010-9525-2
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Multi-Scale Parameter Identification
In: International Journal For Multiscale Computational Engineering 10 (2010), S. 327-342
ISSN: 1543-1649
DOI: 10.1615/IntJMultCompEng.2012002175
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Parameter Identification over Multiple Scales
MMM V (Freiburg, Germany)
In: Proceedings of the 5th conference on Multiscale Materials Modelling 2010
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2009
A Variational Multiscale Method to Model Crack Propagation at Finite Strains
In: International Journal for Numerical Methods in Engineering 80 (2009), S. 269-289
ISSN: 0029-5981
DOI: 10.1002/nme.2602
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Simulation of failure processes with the variational multiscale method
ESAFORM XII (Twente, Netherlands)
In: Proceedings of the 12th International ESAFORM Conference on Material Forming 2009
DOI: 10.1007/s12289-009-0441-9
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On the Multiscale Computation of Defect Driving Forces
In: International Journal For Multiscale Computational Engineering 7 (2009), S. 457-474
ISSN: 1543-1649
DOI: 10.1615/IntJMultCompEng.v7.i5.70
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Computational Homogenization of Defect Driving Forces
IUTAM Symposium 08-6 (Erlangen, Germany, 20. Oktober 2008 - 24. Oktober 2008)
In: Proceedings of the IUTAM Symposium on Progress in the Theory and Numerics of Configuration Mechanics (peer reviewed) 2009
DOI: 10.1007/978-90-481-3447-2_23
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2008
A Multiscale Approach for the Modelling of Failure
GAMM-Jahrestagung 2008 (Bremen, Germany)
In: Proceedings of the 79th Annual Meeting of the International Association of Applied Mathematics and Mechanics 2008
DOI: 10.1002/pamm.200810555
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Continuum-Atomistic Coupling based on Computational Homogenization
GAMM-Jahrestagung 2008 (Bremen, Germany)
In: Proceedings of the 79th Annual Meeting of the International Association of Applied Mathematics and Mechanics 2008
DOI: 10.1002/pamm.200810565
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2007
Towards the Algorithmic Treatment of 3D Strong Discontinuities
In: Communications in Numerical Methods in Engineering 23 (2007), S. 97-108
ISSN: 1069-8299
DOI: 10.1002/cnm.885
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Modelling and Computation of 3D Discontinuities in Solids
Berlin, (Germany)
In: Proceedings GAMM'06 2007
DOI: 10.1002/pamm.200610172
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Variational issues in the homogenization of discrete systems
Cachan, (France)
In: Proceedings of ECCOMAS 2007
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Three-dimensional simulation of fatigue crack growth in epoxy resins
Bruchmechanik und Bauteilsicherung (Dresden, Germany)
In: DVM Tagungsband: 2007
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2006
On the Application of Hansbo's Method for Interface Problems
IUTAM Symposium on Discretization Methods for Evolving Discontinuities (Lyon, France)
In: Proceedings of IUTAM Symposium on Discretization Methods for Evolving Discontinuities 2006
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A Geometrically Nonlinear FE Approach for the Simulation of Strong and Weak Discontinuities
In: Computer Methods in Applied Mechanics and Engineering 195 (2006), S. 5037-5052
ISSN: 0045-7825
DOI: 10.1016/j.cma.2005.05.057
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2005
Computational Modeling of Strong and Weak Discontinuities (Dissertation, 2005)
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A Finite Element Method for the Computational Modelling of Cohesive Cracks
In: International Journal for Numerical Methods in Engineering 63 (2005), S. 276-289
ISSN: 0029-5981
DOI: 10.1002/nme.1286
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A finite element method for cohesive crack modelling
Luxembourg, (28.03-)
In: Proceedings GAMM'05 2005
DOI: 10.1002/pamm.200410156
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A computational method for the FE simulation of strong and weak discontinuities
Oberwolfach, (Germany)
In: Proc. Workshop Gemischte und nicht-standard FE-Methoden 2005
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2004
A Hybrid Discontinuous Galerkin Interface Method for the Computational Modelling of Failure
In: Communications in Numerical Methods in Engineering 20 (2004), S. 511-519
ISSN: 1069-8299
DOI: 10.1002/cnm.689
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A new approach for the FE modelling of cohesive cracks
ICTAM XXI (Warszawa, Poland)
In: Proceedings of 21st International Congress of Theoretical and Applied Mechanics 2004
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2003
Modelling of failure with a hybrid dG/ interface approach
Padua, (Italien)
In: Proceedings GAMM'03 2003
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Computational Modelling of Failure with the Discontinuous Galerkin Method
LUXFEM I (Luxembourg, Luxembourg)
In: Proceedings of the 1st International LUXFEM Conference 2003
DOI: 10.1002/pamm.200310425
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2002
Parameteridentifizierung des Kalziumauslaugens von Beton (Diplomarbeit, 2002)
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Lehre
Vorlesung (VORL)
Vorlesung mit Übung (V/UE)
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Materialmodellierung und -simulation
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