Dr.-Ing. Thomas Schmidt

Research » Teaching » Career » Supervised_theses » Publications

Research

  • Parameter adjustment to experimental stress-strain curves
  • Evolutionary Algorithms
  • Stochastic approaches for the modeling of damage in soft biological tissues (cooperation with G.A. Holzapfel)
  • Simulation of deformations of atherosclerotic arteries
  • Relaxed incremental variational formulations for damage at finite strains
  • Damage functions for soft biological tissues
  • Optimal uncertainty quantification for soft biological tissues

Teaching

  • FEM - Coupled Problems
  • Computational Inelasticity

Career

2005 High-school diploma (Abitur)
2005-2006 Military service
2006-2009

Engineering studies (mechanical engineering), Baden-Württemberg Cooperative State University Lörrach, majoring in construction and development

2008

3 month internship at the School of Engineering Technology at Georgian College, Barrie, Ontario, Canada

Sept. 2009 Engineering degree (B.Eng.), Fraunhofer Institute for High-Speed Dynamics, Ernst-Mach-Institut, EMI, Freiburg. Title of bachelor thesis: "Influence of Different Model Parameters on the Deployment of a Knee Airbag"
2009-2011 Engineering studies (computational mechanics), University of Duisburg-Essen
2011 3 month stay as a visiting scholar at Columbia University with a scholarship by the DUE-Mobil program
Dec. 2011 Engineering degree (M.Sc.), Institute of Mechanics, Faculty of Engineering, Department Civil Engineering, University of Duisburg-Essen. Title of master thesis: "Modeling of Damage and Growth in Collagenous Soft Tissues"
2011-2015 Research assistant, Institute of Mechanics, Faculty of Engineering, Department Civil Engineering, University of Duisburg-Essen
June 2015 Doctoral degree (Dr.-Ing.), Institute of Mechanics and Shell Structures, Technische Universität Dresden, title: "Modeling the Biomechanics of Arterial Walls Under Supra-Physiological Loading", Reviewer: D. Balzani, G.A. Holzapfel

Supervised theses

  • Pandya, D. (2014), "Comparison of Isotropic and Anisotropic Constitutive Models for the Description of Fiber-Reinforced Tissues", Master thesis, Institut für Mechanik, Abt. Bauwissenschaften, Universität Duisburg-Essen.

Publications

  • Balzani, D.,  Schmidt, T., & Ortiz, M. (submitted), "Method for the Quantification of Rupture Probability in Soft Collagenous Tissues". International Journal for Numerical Methods in Biomedical Engineering.

  • Schmidt, T. & Balzani, D. (in press), "Relaxed Incremental Variational Approach for the Modeling of Damage-Induced Stress Hysteresis in Arterial Walls". Journal of the Mechanical Behavior of Biomedical Materials, DOI: 10.1016/j.jmbbm.2015.08.005.

  • Balzani, D. & Schmidt, T. (submitted), "Relaxed Incremental Variational Approach for Damage in Arteries". Proceedings in Applied Mathematics and Mechanics.

  • Schmidt, T., "Modeling the Biomechanics of Arterial Walls Under Supra-Physiological Loading". PhD thesis, Institute of Mechanics and Shell Structures, Technische Universität Dresden.

  • Schriefl, A.J., Schmidt, T., Balzani, D., Sommer, G. & Holzapfel, G.A. (2015), "Selective Enzymatic Removal of Elastin and Collagen from Human Abdominal Aortas: Uniaxial Mechanical Response and Constitutive Modeling". Acta Biomaterialia. Vol. 17, pp. 125-136

  • Balzani, D., & Schmidt, T. (2015), "Comparative Analysis of Damage Functions for Soft Tissues: Properties at Damage Initialization", Mathematics and Mechanics of Solids. Vol. 20(4), pp. 480-492

  • Schmidt, T., Pandya, D. & Balzani, D. (2015), "Influence of Isotropic and Anisotropic Material Models on the Mechanical Response in Arterial Walls as a Result of Supra-Physiological Loadings". Mechanics Research Communications. Vol. 64, pp. 29-37.

  • Schmidt, T., Schriefl, A.J., Balzani, D. & Holzapfel, G.A. (2014), "Modeling Supra-Physiological Loading of Human Arterial Walls - Damage, Anisotropy and Component-Specific Behavior". Biomedizinische Technik / Biomedical Engineering. Vol. 59(s1), pp. 1023-1024.

  • Balzani, D., Schmidt, T. & Ortiz, M. (2014), "Calculation of Optimal Bounds on the Probability of Failure of Soft Biological Tissues". Proceedings in Applied Mathematics and Mechanics. Vol. 14, pp. 93-94.

  • Schmidt, T., Balzani, D. & Holzapfel, G.A. (2014), "Statistical Approach for a Continuum Description of Damage Evolution in Soft Collagenous Tissues". Computer Methods in Applied Mechanics and Engineering. Vol. 278, pp. 41-61.

  • Schmidt, T., Balzani, D., Schriefl, A. & Holzapfel, G.A. (2013), "Material Modeling of the Damage Behavior of Arterial Tissues". Biomedizinische Technik / Biomedical Engineering. Vol. 58 (Suppl. 1).

  • Schriefl, A., Schmidt, T., Balzani, D. & Holzapfel, G.A. (2013), "Determination of Mechanical and Microstructural Tissue Quantities for Modeling Damage in Arterial Tissues". Biomedizinische Technik / Biomedical Engineering. Vol. 58 (Suppl. 1).

  • Schmidt, T., Balzani, D. & Holzapfel, G.A. (2013), "Modeling and Experimental Investigations of the Stress-Softening Behavior of Soft Collagenous Tissues", In XII International Conference on Computational Plasticity. Fundamentals and Applications, pp. 133-144.

  • Schmidt, T., Balzani, D. & Holzapfel, G.A. (2013), "Comparative Study of the Influence of Statistically Distributed Microscopic Quantities on the Damage in Collagenous Tissues", Proceedings in Applied Mathematics and Mechanics. Vol. 13, pp. 47-48.

  • Balzani, D., Schmidt, T., Schriefl, A.J. & Holzapfel, G.A. (2013), "Constitutive Modeling of Damage Mechanisms in Arterial Walls and Related Experimental Studies", Advanced Problems in Mechanics, Proceedings of the XLI Summer School-Conference APM 2013, pp. 16-24.

  • Schmidt, T., Balzani, D., Schriefl, A.J. & Holzapfel, G.A. (2013), "Experimental Characterization and Related Modeling of Damage Mechanisms in Soft Biological Tissues", In Proceedings of the 11th International Symposium on Computer Methods in Biomechanics and Biomedical Engineering, Salt Lake City, Utah, USA, April 3-6.

  • Schmidt, T., Balzani, D., Ricken, T. & Werner, D. (2012), "A Biphasic Approach for the Simulation of Growth Processes in Soft Biological Tissues Incorporating Damage-Induced Stress Softening", Proceedings in Applied Mathematics and Mechanics. Vol. 12, pp. 91-92.

  • Schmidt, T. (2011), "Modeling of Damage and Growth in Collagenous Soft Tissues", Report No. 65, Institute of Mechanics, Department of Civil Engineering, University of Duisburg-Essen.

Tel. +49(0)201/183-2674
Fax +49(0)201/183-2680
Room V15 S06 D04

t.schmidt@uni-due.de

Universität Duisburg-Essen

Fakultät für Ingenieurwissenschaften
Abteilung Bauwissenschaften
Institut für Mechanik
Universitätsstraße 15
Room V15 S06 D04
45141 Essen