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Publikationen

2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007| 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 1998 |

 

2013

 

M. Hahn, M. Bouriga, B.-H. Kröplin, T. Wallmersperger
Externe Datei Life time prediction of metallic materials with the Discrete-Element-Method, Computational Materials
Science, Vol. 71, S. 146-156, 2013

2012

 

J. Groß, C. Messe, S. Rudolph
pdf-Datei Model Based Thermal Systems
Engineering Approach, SECESA Conference 2012, Lissabon, 17. - 19. Oktober 2012

2011

 

A. Kunze, B. Kröplin
pdf-Datei Die Bedeutung der strukturellen Masseneffizienz im Kugelballon
DGLR Workshop XIII, "Luftfahrzeuge leichter als Luft", Aachen, 18.-19. November, 2011

M. Hahn, M. Schwarz, B.-H. Kröplin, T. Wallmersperger
Discrete Element Method for the thermal field: Proof of concept and determination of the material parameters
Computational Materials Science, Vol. 50, S. 2771-2784, 2011

K. Keller, T. Wallmersperger, G. Gerlach, B. Kröplin, M. Günther
Modeling of Temperature-Sensitive Polyelectrolyte Gels by the Use of the Coupled Chemo-Electro-Mechanical Formulation
Proc. of DEMEASS IV, Urspelt, Luxemburg, 2011

T. Wallmersperger, K. Keller, B. Kröplin, M. Günther, G. Gerlach
Modeling and simulation of pH-sensitive hydrogels
Colloid & Polymer, Springer, 2011

T. Wallmersperger, K. Keller, B. Kröplin, G. Gerlach, M. Günther
Chemo-Electro-Mechanical Modeling of pH-Sensitive Hydrogels
SPIE (spie.org), 2011

 


2010


M. Hahn, T. Wallmersperger, B.-H. Kröplin
Discrete element representation of continua: Proof of concept and determination of the material parameters
Computational Materials Science, Vol. 50, S. 391-402, 2010

M. Hahn, T. Wallmersperger, B.-H. Kröplin
Verification of the Discrete Element Method for the Mechanical and Thermal Filed
In: N. A. Adams, R. Radespiel, T. Sattelmayer, W. Schröder, B. Weigand
SFB/TRR40 Annual Report, 2010

M. Hahn, T. Wallmersperger, B.-H. Kröplin
First Steps towards using Discrete Elements for life time prediction
In: N. A. Adams, R. Radespiel, T. Sattelmayer, W. Schröder, B. Weigand
SFB/TRR40 Annual Report, 2009


2009


T. Wallmersperger, E. Carrera, O. Polit, S. Belouettar
Preface: Design Modeling and Experiments of Adaptive Structures and Smart Systems II
Journal of Intelligent Material Systems and Structures, Vol. 20, Nr. 15, S. 1781-1782, 2009


R. Leetsch, T. Wallmersperger, B. Kröplin
Thermomechanical modeling of functionally graded plates
Journal of Intelligent Material Systems and Structures, Vol. 20, Nr. 15, S. 1799-1813, 2009


T. Wallmersperger, A. Horstmann, B. Kröplin, D.J. Leo
Thermodynamical Modeling of the Electro-Mechanical Behavior of Ionic Polymer Metal Composites
Journal of Intelligent Material Systems and Structures, Vol. 20, NR. 6, S. 741-750, 2009


T. Wallmersperger, D. Ballhause, B. Kröplin, M. Günther, G. Gerlach
Coupled multi-field formulation in space and time for the simulation of intelligent hydrogels
Journal of Intelligent Material Systems and Structures, Vol. 20, Nr. 12, S. 1483-1492, 2009


M. Günther, G. Gerlach, T. Wallmersperger
Nonlinear effects in hydrogel-based chemical sensors: Experiment and Modeling
Journal of Intelligent Material Systems and Structures, Vol. 20, Nr. 8, S. 949-961, 2009


2008


J. Lütjens, M. Hunkel, U. Scholl, T. Wallmersperger, R. Schilling, D. Siehling, K. Wiegand
Simulationsgestützte Optimierung von partiell gehärteten Automobilteilen aus Mehrphasen-Stahl
Simulation-aided optimization of locally hardened multiphase steel auto motive crash parts

HTM Journal of Heat Treatment and Materials 4/2008, Vol. 63, S. 213-221


S. Brischetto, R. Leetsch, E. Carrera, T. Wallmersperger, B. Kröplin
Thermo-Mechanical Bending of Functionally Graded Plates
Journal of Thermal Stresses 31(3), S. 286-308, 2008


D. Ballhause, T. Wallmersperger
Coupled Chemo-Electro-Mechanical FE-Simulation of Hydrogels - Part I: Chemical Stimulation
Smart Materials and Structures 17, 045011, 2008


T. Wallmersperger, D. Ballhause
Coupled Chemo-Electro-Mechanical FE-Simulation of Hydrogels - Part II: Electrical Stimulation
Smart Materials and Structures 17, 045012, 2008


T. Wallmersperger, F. K. Wittel, M. D'Ottavio, B. Kröplin
Multiscale Modeling of Polymer Gels - Chemo-Electric Model versus Discrete Element Model
Mechanics of Advanced Materials and Structures 15(3-4), S. 228-234, 2008


M. D'Ottavio, T. Wallmersperger, B. Kröplin
Classical and Advanced Models for Laminated Plates with Piezoelectric Layers Actuated in Shear Mode
Mechanics of Advanced Materials and Structures 15(3-4), S. 167-181, 2008


E. Carrera, B. Grohmann, T. Wallmersperger
Preface: Design, Modelling and Experiments of Adaptive Structures and Smart Systems
Mechanics of Advanced Materials and Structures 15(3-4), S. 165-166, 2008


B. Akle, T. Wallmersperger, E. Akle, D. Leo
High surface area electrodes in ionic polymer transducers: numerical and experimental investigations of the chemo-electric behavior
SPIE Proc. of Smart Structures and Materials 2007: Behavior and Mechanics of Multifunctional and Composite Materials 2008, Marcelo J. Dapino; Zoubeida Ounaies, (Hrsg.), Vol. 6929, 69290N, 2008


T. Wallmersperger, D. Ballhause, B. Kröplin, M. Günther, Z. Shi, G. Gerlach
Coupled chemo-electro-mechanical simulation of polyelectrolyte gels as actuators and sensors
SPIE Proc. of Smart Structures and Materials 2008: Electroactive Polymer Actuators and Devices, Y. Bar-Cohen (Hrsg.), Vol. 6927, 69270Y, 2008


T. Wallmersperger, B. Akle, D.J. Leo, B. Kröplin
Electromechanical Response in Ionic Polymer Transducers: An Experimental and Theoretical Study
Composite Science and Technology 68(5), S. 1173-1180, 2008


2007


T. Wallmersperger, D. Ballhause, B. Kröplin
On the Modeling of Polyelectrolyte Gels
Macromolecular Symposia 254, Reactive Polymers in inhomogeneous Systems, in Melts and at Interfaces, S. 306-313, 2007


T. Wallmersperger, D.J. Leo, C.S. Kothera
Transport Modeling in Ionomeric Polymer Transducers and its Relationship to Electromechanical Coupling
Journal of Applied Physics, Vol. 101, Nr. 024912, 2007


M. Günther, G. Gerlach, T. Wallmersperger
Modeling of nonlinear effects in pH sensors based on polyelectrolytic hydrogels
SPIE Proc. of Smart Structures and Materials 2007: Electroactive Polymer Actuators and Devices, Y. Bar-Cohen (Hrsg.), vol. 6524, 652417, San Diego (USA), 2007


T. Wallmersperger, B. Akle, E. Akle, D.J. Leo
Chemo-electric characterization and modeling of the high surface area electrodes in ionic polymer transducers
SPIE Proc. of Smart Structures and Materials 2007: Electroactive Polymer Actuators and Devices, Y. Bar-Cohen (Ed.), vol. 6524, 65240S, San Diego (USA), 2007


B. Akle, T. Wallmersperger, D. Leo
Development and Modeling of Novel Extensional Ionic Polymer Transducers
SPIE Proc. of Smart Structures and Materials 2007: San Diego (USA), 2007

 


2006


M. D'Ottavio, D. Ballhause, B. Kröplin, E. Carrera
Closed-form solutions for the free-vibration problem of multilayered piezoelectric shells
Computers and Structures, Vol. 84 (22-23), S. 1506-1518, 2006


M. D'Ottavio, D. Ballhause, T. Wallmersperger, B. Kröplin
Considerations on higher-order finite elements for multilayered plates based on a unified formulation
Computers and Structures, Vol. 84 (19-20), S. 1222-1235, 2006


X. He, D. Leo, T. Wallmersperger
Modeling of ion transport in high strain ionomers by Monte Carlo simulation compared to continuum model
Proc. of the 2006 ASME International Mechanical Engineering Congress, IMECE2006-13928, 2006


T. Wallmersperger, F.K. Wittel, B. Kröplin
Multiscale Modeling of Polyelectrolyte Gels
SPIE Proc. of Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices, Y. Bar-Cohen (Hrsg.), vol. 6168, 61681H, San Diego (USA), 2006


M.H. Haque, K. Hying, I. Kolaric, T. Wallmersperger, B. Kröplin
Theoretical and experimental investigations of fundamental effects in carbon nanotube sheet actuators
SPIE Proc. of Smart Structures and Materials 2006: Electroactive Polymer Actuators and Devices, Y. Bar-Cohen (Hrsg.), vol. 6168, 61681I, San Diego (USA), 2006

 


2005


D. Ballhause, M. D'Ottavio, B. Kröplin, E. Carrera
A unified formulation to assess multilayered theories for piezoelectric plates
Computers and Structures, Vol. 83/2005 (15-16), S. 1217-1235


M. D'Ottavio, B. Kröplin
An extension of Reissner: Mixed Variational Theorem to piezoelectric laminates
Mechanics of Advanced Materials and Structures, Nr. 13, Vol. 2, S. 139-150, 2006


Bernd-Helmut Kröplin, Richard Kochendörfer, Thomas Reimer, Thomas Ullmann, Ralf Kornmann, Roger Schäfer, Thomas Wallmersperger
Design and Evaluation of Fibre Ceramic Structures Basic Research and Technologies for Two-Stage-to-Orbit Vehicles
DFG, Deutsche Forschungsgemeinschaft Wiley-VCH Verlag, Weinheim, 2005


2004


M. D'Ottavio, D. Ballhause, T. Wallmersperger, B. Kröplin
Considerations on Higher-Order Finite Elements for multilayered Plates based on the Unified Formulation
Proc. of the Seventh International Conference on Computational Structures Technology, Lissabon (PG),
B. H. V. Topping, C. A. Mota-Soares (Hrsg.), Civil-Comp Press, Stirling (UK), 2004


M. D'Ottavio, D. Ballhause, B. Kröplin, E. Carrera
Closed-form Solutions for the Free Vibration Problem of multilayered Piezoelectric Shells
Proc. of the Seventh International Conference on Computational Structures Technology, Vol. 24 (22-23), S. 1506-1518, 2006
B.H.V. Topping, C.A. Mota Soares (Hrsg.), Civil-Comp Press, Stirling (UK), 2004


M. D'Ottavio, G. F. Ferraris, E. Koray, N. Topcu, K. Eberle, B. Kröplin, K. Pöhlandt, A. E. Tekkaya
Determination of the Plastic Anisotropy of Metals by Indentation Tests. Part A: Numerical and Experimental Analysis of Indentation
4th ICFG Workshop on "Process Simulation in the Metal Forming Industry", Shanghai, China, 2004


M. Waedt, M. D'Ottavio, T. Wallmersperger, B. Kröplin, K. Wolf, P. Post, J.-V. Peetz, U. Scholl
Kriterien zur Bewertung des Mappings von Umform- auf Crashsimulation
3. LS-DYNA Anwenderforum 2004, Bamberg, 2004


T. Wallmersperger, B. Kröplin
Coupled Chemo-Electro-Mechanical Formulation for Electroactive Polymers
1st GAMM Seminar on Continuum Biomechanics, Freudenstadt-Lauterbad, 2004


T. Wallmersperger, M. D'Ottavio, B. Kröplin, R.W. Gülch
On the modelling of electroactive polymers
ESB 2004, Hertogenbosch, The Netherlands, 2004


T. Wallmersperger, B. Kröplin, R.W. Gülch
Polyelectrolyte Gels: Basics, Modelling and Simulation Chemo-Mechanical Couplings in Porous Media Geomechanics and Biomechanics
B. Loret, J.M. Huyghe (Hrsg.), Springer-Verlag, S. 333-382, 2004


T. Wallmersperger, B. Kröplin, R.W. Gülch
Modeling and analysis of chemistry and electromechanics.Electroactive Polymer (EAP) Actuators as Artificial Muscles - Reality, Potential and Challenges
2nd Edition, Y. Bar-Cohen (Hrsg.). SPIE press, S. 335-362, PM 136, 2004


T. Wallmersperger, B. Kröplin, R.W. Gülch
Coupled chemo-electro-mechanical formulation for ionic polymer gels-numerical and experimental investigations
Mechanics of Materials, Coupled Chemo-Mechanical Phenomena, Vol. 36 (5-6), S. 411-420, 2004


2003


B.-H. Kröplin, T. Wallmersperger
Modeling of Electroactive Polymers
Fiber Systems in Materials Science and Biology/Medicine, Weingarten, 2003

 


2002


M. D'Ottavio, T. Wallmersperger, B. Kröplin, B. A. Grohmann
Coupled Numerical Aero-Servo-Elastic Simulation of Adaptive Helicopter Airfoils in Transonic Flow
WCCM V, Wien, 2002


T. Wallmersperger, M. D'Ottavio, B. Kröplin, R.W. Gülch
Coupled Multi-Field Formulation for Ionic Polymer Gels
WCCM V - Fifth World Congress on Computational Mechanics, Wien, 202


T. Wallmersperger, B.-H. Kröplin, R.W. Gülch
Numerical Simulation of a Coupled Chemo-Electric Formulation for Ionic Polymer Gels in Electric Fields
SPIE Proc. of the 9th International Symposium on Smart Structures and Materials, San Diego (USA), 2002


2001


B. A. Grohmann, P. Jänker, M. D'Ottavio, B.-H. Kröplin, E. Carrera
Numerical Simulation of the Piezo-Aero-Elasticity of Smart Rotor Blades in Transonic Flow
First MIT Conference on Computational Fluid and Solid Mechanics, USA, 2001


B. A. Grohmann, T. Wallmersperger, R. Dornberger, B.-H. Kröplin
Time-Discontinuous Stabilized Space-Time Finite Elements for Timoshenko Beams.
AIAA J, Vol. 39 (11), S. 2158-2167, 2001


R. W. Gülch, J. Holdenried, A. Weible, T. Wallmersperger, B.-H. Kröplin
Electrochemical stimulation and control of electroactive polymer gels
Proc. of SPIE Smart Structures and Materials 2001: Electroactive Polymer Actuators and Devices, Y. Bar-Cohen (Hrsg.), Vol. 4329, S.328-334, Newport Beach (USA), 2001


T. Wallmersperger, B.-H. Kröplin, J. Holdenried, R. W. Gülch
A coupled multi-field formulation for ionic polymer gels in electric fields
SPIE Proc. of Smart Structures and Materials 2001: Electroactive Polymer Actuators and Devices,
Y. Bar-Cohen (Hrsg.), Vol. 4329, S. 264-275, Newport Beach (USA), 2001


T. Wallmersperger, B.-H. Kröplin, R.W. Gülch
Modeling and analysis of chemistry and electromechanics
Electroactive polymer (EAP) actuators as artificial muscles - reality, potential and challenges, Y. Bar-Cohen (Hrsg.), SPIE press, S. 285-308, 2001

 


2000


B. A. Grohmann, T. Wallmersperger, B.-H. Kröplin
Adaptive Strukturen und gekoppelte Mehrfeldprobleme. (Adaptive Structures and Coupled Multi-Field Problems.)
Stahlbau, 69. Jahrgang, Heft 6, S. 446-454, Verlag Ernst & Sohn, Berlin, 2000


R. W. Gülch, J. Holdenried, A. Weible, T. Wallmersperger, B.-H. Kröplin
Polyelectrolyte Gels in Electric Fields - A Theoretical and Experimental Approach.
SPIE Proc. of the 7th International Symposium on Smart Structures and Materials: Electroactive Polymer Actuators and Device (EAPAD), Vol. 3987, S. 193-202, Newport Beach (USA), 2000

 


1999


B. A. Grohmann, T. Wallmersperger, B.-H. Kröplin
Globally Conservative, Unconditionally Stable Space-Time Finite Element Methods for Fluid-Structure Interaction
Fifth US National Congress on Computational Mechanics, University of Colorado at Boulder, 1999


T. Wallmersperger, B. A. Grohmann, B.-H. Kröplin
Time-Discontinuous Stabilized Space-Time Finite Elements for PDEs of First and Second Order in Time
European Conference on Computational Mechanics, München, 1999


T. Wallmersperger, B. A. Grohmann, B.-H. Kröplin
Ansätze zur Modellierung von stimulierbaren Polymergelen mit stabilisierten Raum-Zeit Finiten Elementen
FE-Workshop'99 - Die Methode der Finiten Elemente in der Biomedizin und angrenzenden Gebieten, Ulm, 1999


B. A. Grohmann, P. Konstanzer, A. Lay, T. Wallmersperger, B.-H. Kröplin
On the Principle of Adaptive Structure Systems. NAFEMS Seminar FEM-Anwendungen für adaptive Struktursysteme
Magdeburg, 1999


1998


B. A. Grohmann, T. Wallmersperger, R. Dornberger, B.-H. Kröplin
Time-Discontinuous Stabilized Space-Time Finite Elements for Timoshenko Beams
39th AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics and Materials Conference, Long Beach (USA), 1998