Jun. - Prof. Dr. rer. nat. Tom Lahmer

Address

Institute of Structural Mechanics-
Structural Analysis and Component Strength
Bauhaus-University Weimar
Marienstrasse 15
99423 Weimar

Room 109

Phone

+49 (0)3643 / 584506

Fax

+49 (0)3643 / 584514

Email

tom.Lahmer[at]uni-weimar.de

Academic CV

1998 - 2004

Applied Mathematics studies at TU Bergakademie Freiberg

2004 - 2008

Scientific coworker at chair of sensor technology, Friedrich-Alexander University Erlangen-Nuremberg

2008

Doctoral thesis "Forward and Inverse problems in piezoelectricity", supervised by. Prof. B. Kaltenbacher

2008 - 2012

PostDoc researcher and CEO in the DFG research training group ,,Qualitative Assessment of Coupled Numerical and Experimental Models in Civil Engineering"

2013 - today

Since 2013

Juniorprofessor "Stochastics and Optimization" at the Institute of Structural Mechanics, Bauhaus-University Weimar,

 Director of the Institute of Structural Mechanics

2018 - today

 

Head of Research Group ''Characterization and Functionalization of Working Materials'' at MFPA, Weimar within the research line Life Cycle Engineering

 

Research Interests

  • Uncertainty Quantification / Sensitivity Analysis
  • Design of Experiments for Ill-Posed Problems
  • Theory and Numerical Solution of Inverse and Ill-posed Problems
  • (Robust) Shape and Topology Optimization
  • Qualitative Assessment of Coupled Partial Models in Civil Engineering
  • Applications: Multifield and Multiscale Problems in Engineering

Team

Stochastic and Optimization Team:

From Left to Right: Feras Alkam (PhD coworker), Albrecht Schmidt (PhD coworker), Muyiwa Alalade (PhD coworker), Yisihak Gebre (PhD coworker), Luise Göbel (PhD coworker, via MFPA), Zouhour Jaouadi (PhD coworker), Meron Wandafrash (PhD coworker), Tom Lahmer (chair), Fengjie Tan (PhD coworker), Jorge Lizarazu (PhD coworker, via MFPA), Ina Reichert (Phd coworker), Ehsan Harirchian (PhD coworker). Missing: Tajammal Abbas (PostDoc)

Projects

Lectures

  • Signal Processing and Interpretation
  • Introduction to Optimization (Linear / Nonlinear Problems, Optimization on Graphs)
  • Mathematics for Risk Management 
  • Stochastics and Risk Assessment
  • Optimization in Applications (Calibration, Inverse Problems, Shape and Topologyoptimization)
  • Stochastic Simulation Techniques and Structural Reliability
  • Design and Interpretation of Experiments

Supervision of PhD Candidates and PostDocs

  • Methods for the Identification of Correlated Parameters in Multi-Field Systems (Dr. Nguyen-Tuan Long, DFG)
  • Polymorphic Uncertainty Analysis of Coupled Systems (Albrecht Schmidt, DFG)
  • Robust Shape Design of Arch-Type Dams (Fengjie Tan, CRC)
  • Quality of Meta Models in Civil Engineering Applications (Maria Steiner, DFG - GRK1462)
  • Structural Optimization under Multiple Loads (Zouhour Jaouadi, DFG - GRK 1462)
  • Design of Experiments for Tower-Like Structures (Ina Reichert, DFG - GRK1462)
  • Structural Analysis of Dams Using Full Waveform Inversion (Muyiwa Alalade together with Prof. Wuttke, Scholarship Bauhaus Universität Weimar)
  • Uncertainty Quantification Of Results Of Inverse Problems in Dynamic Systems With Applications to Railway Poles (Feras Alkam, DAAD)
  • Reduction of Large Monitoring Data by Dimension Reduction Methods (Ehsahn Harirchian)
  • Simulation And Validation of Air Pressure Fields Induced by High Speed Trains (Nwadike Amarachukwu, STIBET)

Publications

  •  Guest-Editors: T. Lahmer, Ch. Bucher, D. Frangopol, Special Section: Selected contributions of the 12th International Probabilistics Workshop (IPW) Weimar, 2014. Published in the Journal of Probabilistic Engineering Mechancis 2016
  • Editors: T. Lahmer, M. Huber, D. Proske, Th. Most, F. Werner, Proceedings of the 12th International Probabilistic Workshop, Weimar, 2014. ISBN 978-3-95773-183-8. Online Version: DOI: 10.1466/20141125.0
  • I. Reichert, P. Olney, T. Lahmer (2019): Influence of the error description on model-based design of experiments, Engineering Structures, Volume 193, Pages 100-109
  • Schitzold F., Schmidt A., Dannert M., Fau A., Fleury R., Graf W., Kaliske M., Könke C., Lahmer T. and Nackenhorst U. (2019): Development of fuzzy probability based random fields for the numerical structural design, Surveys for Applied Mathematics and Mechanics (GAMM-Mitteilungen), Vol. 42, Issue 1
  • Schmidt A., Henning C., Herbrandt S., Könke C., Ickstadt K., Ricken T. and Lahmer T. (2019) Numerical studies of earth structure assessment via the Theory of Porous Media using fuzzy probability based random field material descriptions, Surveys for Applied Mathematics and Mechanics (GAMM-Mitteilungen), Vol. 42, Issue 1
  • N. Vu, R. Sauer, T. Rabczuk, H. Park, T. Lahmer, D. X. Thang (2019): A NURBS-based inverse analysis of thermal expansion induced morphing of thin shells, accepted for publication in Computer Methods in Applied Mechanics and Engineering
  • L. Nguyen-Tuan, S. S. Nanthakumar, T. Lahmer (2019): Identification of multiple flaws in dams using inverse analysis based on hydro-mechanical XFEM and level sets, accepted for publication in Computers and Geotechnics
  • M. Steiner, J.-M. Bourinet, T. Lahmer (2018): An adaptive sampling method for global sensitivity analysis based on least-squares support vector regression, Reliability Engineering and System Safety, accepted
  • H. V. Do, T. Lahmer, X. Zhuang, N. Alajlan, H. Nguyen-Xuan, T. Rabczuk (2018): An isogeometric analysis to identify the full flexoelectric complex material properties based on electrical impedance curve, Computers and Structures, accepted 2018
  • F. Tan, T. Lahmer (2018): Shape design of Arch Dams under Load Uncertainty with a Robust Optimization Method, Frontiers of Structural and Civil Engineering, accepted
  • N. Vu-Bac, T. X. Duong, T. Lahmer, X. Zhuang,  R. Sauer, H. Park, T. Rabczuk (2018): A NURBS-based Inverse Analysis for Reconstruction of Nonlinear Deformations of Thin Shell Structures,  Computer Methods in Applied Mechanics and Engineering (CMAME-D), Volume 331, Pages 427–455
  • L. Nguyen-Tuan, C. Könke, V. Bettzieche, T. Lahmer (2018): Damage identification using inverse analysis in coupled thermo-hydro-mechanical problems applied to masonry dams,  International Journal for Numerical and Analytical Methods in Geomechanics, Volume 42 (Issue2), Pages 256–273
  • L. Nguyen-Tuan, C. Könke, V. Bettzieche, T. Lahmer  (2017): Uncertainty Assessment in the Results of Inverse Problems - Applied to Damage Detection in Masonry Dams, International Journal of Reliability and Safety.
  • F. Tan, T. Lahmer (2017, December 18). Shape Optimization Based Design of Arch Type Dams under Uncertainties, Engineering Optimization.
  • T. Lahmer, S. Bock, J. Hildebrand, K. Gürlebeck (2017). Non-destructive Identification of Residual Stresses in Steel under Thermal Loadings, Journal of Inverse Problems in Science and Engineering, Volume 25 (Issue 10), Pages 1519-1535.
  • I. Faridmehr, M. Md. Tahir, T. Lahmer and M. H. Osman (2017). Seismic Performance of Steel Frames with Semi-Rigid Connections, Journal of Engineering, Volume 2017 (Article ID 5284247), Pages 1-10.
  • M. F. Badawy, M. A. Msekh, K. M. Hamdia, M. Steiner, T. Rabczuk (accepted 2017). Hybrid nonlinear surrogate models for fracture behavior of polymeric nanocomposites using phase field model, Journal of Probabilistic Engineering Mechanics (PREM).
  • M. Alalade, B. Kafle, F. Wuttke, T. Lahmer. Calibration of cyclic constitutive models by oscillating functions, Geomechanics and Geoengineering, published online, 2017
  • L. Göbel, T. Lahmer, A. Osburg (2017, September-October). Uncertainty analysis in multiscale modeling of concrete based on continuum micromechanics, European Journal of Mechanics - A/Solids, Volume 65, Pages 14–29.
  • T. Lahmer, E. Rafajlowicz (2017, June). On the Optimality of Harmonic Excitation As Input Signals for the Characterization of Parameters in Coupled Piezoelectric and Poroelastic Problems, Mechanical Systems and Signal Processing, Volume 90, Pages 399-418.
  • L. Nguyen-Tuan, T. Lahmer, M. Datcheva, T. Schanz (2017, April 10). Global and local sensitivity analyses for coupled thermo-hydro-mechanical problems, International Journal for Numerical and Analytical Methods in Geomechanics, Volume 41 (Issue 5), Pages 707–720.
  • M. Alalade,  L. Nguyen-Tuan, T. Lahmer, F. Wuttke (2017, April 4). Damage identification in gravity dams using dynamic coupled hydro-mechanical XFEM, International Journal of Mechanics and Materials in Design
  • M. Achenbach, G. Morgenthal, T. Lahmer (2017, January). Identification of the thermal properties of concrete for the temperature calculation of concrete slabs and columns subjected to fire, Journal of Fire Safety, Volume 87, Pages 80-86.
  • L.Nguyen-Tuan, C. Könke, V. Bettzieche, T. Lahmer (2017, January). Numerical modeling and validation for 3D coupled-nonlinear thermo-hydro-mechanical problems in masonry dams, Computers and Structures, Volume 178, Pages 143–154
  • N. Vu-Bac, T. Lahmer, X. Zhuang, T. Nguyen-Thoi, T. Rabczuk (2016, October 1). A software framework for probabilistic sensitivity analysis for computationally expensive models, Advances in Engineering Software, Volume 100, Pages 19–31.
  • T. Lahmer, L. Nguyen Tuan, C. Könke und V. Bettzieche (2016, September). Thermo-hydro-mechanische 3-D-Simulation von Staumauern - Modellierung und Validierung, Wasserwirtschaft, Issue 9/2016.
  • S. S. Nanthakumar, T. Lahmer, X. Zhuang, T. Rabczuk (2016, September). Topology Optimization of Piezoelectric Nanostructures, Journal of the Mechanics and Physics of Solids, Volume 94, Pages 316–335.
  • S. Marzban, T. Lahmer (2016, August 11). Conceptual Implementation of the Variance-Based Sensitivity Analysis for the Calculation of the First Order Effects, Journal of Statistical Theory and Practice, Volume 10 (Issue 4), Pages 589–611.
  • I. Faridmehr, M. Md. Tahir, T.Lahmer (2016, July 28). Classification System For Semi-Rigid Beam-To-Column Connections, Latin American Journal of Solids and Structures, Volume 13 (11).
  • L. Nguyen-Tuan, T. Lahmer, M. Datcheva, E. Stoimenova, T. Schanz (2016). A novel parameter identification approach for buffer elements involving complex coupled thermo-hydro-mechanical analyses, Computers and Geotechnics, Volume 76, Pages 23–32.
  • C. Zhang, C. Wang,  T. Lahmer, P. He, T. Rabczuk (2016). A dynamic XFEM formulation for crack identification, International Journal of Mechanics and Materials in Design, Issue 4/2016.
  • S.S. Nanthakumar, T. Lahmer, T. Rabczuk (2016). Detection of material interfaces using a regularised level set method in piezoelectric structures, Inverse Problems in Science and Engineering, Volume 24 (Issue 1), Pages 153-176.
  • T. Lahmer, J. Ilg, R. Lerch (2015). Variance-based Sensitivity Analyses of Piezoelectric Models, Computer Modeling in Engineering & Science (CMES), Volume 106 (2), Pages 105–126.
  • K. M. Hamdia, T. Lahmer, T. Nguyen-Thoi, T. Rabczuk (2015, May). Predicting the fracture toughness of PNCs: A stochastic approach based on ANN and ANFIS, Computational Material Science, Volume 102, Pages 304-313.
  • N.V.-Bac,  R. Rafiee, X. Zhuang,  T. Lahmer, T. Rabczuk (2015, January). Uncertainty quantification for multiscale modeling of polymer nanocomposites with correlated parameters, Composits Part B Engineering, Volume 68, Pages 446-464.
  • A.B. I. Akmar, T. Lahmer, S.P.A. Bordas, L.A.A. Beex, T. Rabczuk (2014, September-October). Uncertainty quantification of dry woven fabrics: A sensitivity analysis on material properties, Composite Structures (COMPOS STRUCT), Volume 116, Pages 1-17.
  • N. Vu-Bac, M. Silani, T. Lahmer, X. Zhuang, T. Rabczuk (2015). A unified framework for stochastic predictions of Young’s modulus of clay/epoxy nanocomposites (PCNs), Computational Materials Science (COMP MATER SCI), Volume 96, Part B,  Pages 520-535
  • Bakaar I., Lahmer T., Rabczuk T (2014). Uncertainty criteria of Dry Woven Fabric: A Sensitivity Analysis on Material Properties, Composite Structures (COMPOS STRUCT), Volume 116, Pages 1-17
  • S.S. Nanthakumar, T. Lahmer, T. Rabczuk (2014, June 15). Detection of multiple flaws in Piezoelectric Structures using XFEM and Level sets, Computer Methods in Applied Mechanics, Volume 275, Pages 98-112.
  • N. Vu-Bac, T. Lahmer, Y. Zhang, X. Zhuang, T. Rabczuk (2014, March). Stochastic predictions of interfacial characteristic of polymeric nanocomposites (PNCs), Composites Part B Engineering, Volume 59, Pages 80-95.
  • N. Vu-Bac, T. Lahmer, H. Keitel, J. Zhao, X. Zhuang, T. Rabczuk (2014, January). Stochastic predictions of bulk properties of amorphous polyethylene based on molecular dynamics simulations, Mechanics of Materials, Volume 68 (Issue 6), Pages 70-84.
  • S.S. Nanthakumar, T. Lahmer, T. Rabczuk (2013, November 9), Detection of flaws in piezoelectric structures using extended FEM, International Journal for Numerical Methods in Engineering, Volume 96 (Issue 6), Pages 373-389.
  • T. Knabe, M. Datcheva, T. Lahmer, F. Cotecchia, T. Schanz (2013, April). Identification of constitutive parameters of soil using an optimization strategy and statistical analysis, Computers and Geotechniques, Volume 49, Pages 143–157.
  • H. Nguyen-Vinh, I. Bakar, M.A. Msekh, J.-H. Song, J. Muthu, G. Zi, P. Le, S. Bordas, R. Simpson, S. Natararajan, T. Lahmer, T. Rabczuk (2012, September). Extended Finite Element Method for Dynamic Fracture of Piezo-Electric Materials, Engineering Fracture Mechanics, Volume 92, Pages 19–31.
  • Lahmer, S. Nikulla, V. Zabel (2011, December). Evaluation of coupled partial models in structural engineering using graph theory and sensitivity analyses, Engineering Structures, Volume 33(12), Pages 3726–3736.
  • T. Lahmer (2011, November 4). Optimal experimental design for nonlinear ill-posed problems applied to gravity dams, Journal of Inverse Problems, Volume 27(12).
  • H. Keitel, G. Karaki, T. Lahmer, S. Nikulla, V. Zabel, Evaluation of coupled partial models in structural engineering using graph theory and sensitivity analyses, Engineering Structures, Vol. 33, pages 3726-3736, 2011 .
  • T. Lahmer, (2011, March). Konzepte der optimalen Versuchsplanung für das Monitoring von Bauwerken, Allgemeine Vermessungs-Nachrichten, Wichmann-Verlag.
  • T. Lahmer, C. Könke, V. Bettzieche (2010, October 1). Optimale Positionierung von Messeinrichtungen an Staumauern zur Bauwerksüberwachung, Wasserwirtschaft, Issue 10/2010.
  • T. Lahmer (2010). Crack identification in hydro-mechanical systems with applications to gravity water dams. Journal of Inverse Problems in Science and Engineering, Volume 18 (Issue 8), Pages 1083 - 1101.
  • T. Lahmer,
  • T. Lahmer, Modified Landweber iterations in a multilevel algorithm applied to inverse problems
    in piezoelectricity
    . Journal of Inverse and Ill-Posed Problems, Volume 17, Issue 1,  2009.
  • A. Hauck, T. Lahmer, M. Kaltenbacher, Enhanced homogenization technique for magnetomechanical systems using the generalized finite element method. COMPEL: Computational and analytical methods in electrical and electronic engineering, Vol. 28, No. 4, pp. 935-947, 2009.
  • T. Lahmer, M. Kaltenbacher, B. Kaltenbacher, and R. Lerch. FEM-Based Determination of Real and Complex Elastic, Dielectric and Piezoelectric Moduli in Piezoceramic Materials. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 55(2):465-475, 2008.
  • T. Lahmer, B. Kaltenbacher and V. Schulz. Optimal measurement selection for piezoelectric material tensor identification. Journal of Inverse Problems in Science and Engineering, 16:369-387, 2008.
  • B. Kaltenbacher, T. Lahmer, M. Mohr, and M. Kaltenbacher. PDE based determination of piezoelectric material tensors. European Journal of Applied Mathematics, 17:383-416, 2006.

Ongoing and Finalized Supervised Student's Works

  • Die Monte Carlo Simulation als Werkzeug für Investitionsentscheidungen im Immobilienbereich, Leon Schiebenes, 2019
  • Probabilistic Reliability Analysis of Wind Turbine, Zafar Usman, 2019
  • Sensitivity Analysis of polycrystal multiscale models used in the prediction of fatigue of additively manufactured steels, Umar Arif Shaik, 2019
  • Numerical investigations for the improvement of the vibration damping behavior of concrete, Demissie, Tamrat Tesfaye, 2019
  • Dynamic Analysis of Poles In a Continuous Catenary System,  Chrisitan Chokolat Muhigwa, 2019
  • Optimierung einer Stahlfachwerkbrücke, Lisa Maria Wöbbeking, 2018
  • Entwurfsmethode für die Additive Fertigung, Andreas Lenz, 2018
  • Model Selection and Sensitivity Analysis for Masonry Infilled RC Frames under Lateral Cyclic Displacements, Amol Rupakheti, 2018
  • Kennfeldorientierte Optimierung mit Anwendungen in der Elektromobilität, Natalie von Butler, 2018
  • Characterization of the fatigue behavior of additively manufactured materials, Zain Droobi, 2018
  • Ökonomische Betrachtungen zu additiven Fertigungsweisen im Bau, Sarah Lapp, 2018
  • Thermo-Mechanical Analysis of Functionally Graded Materials, Olalekan Ogunniyi, 2018
  • Parallel domain decomposition for random field generation based on Karhunen-Loeve expansion, Qiwey Zhang, 2018
  • 3D Thermo-Hydro-Mechanische Simulation und Parameterkalibrierung der Fürwiggetalsperre, Hong-Thai Duong, 2018
  • A NURBS-based Inverse Analysis for Reconstruction of Deformations of Thin shell Structures, Priyanka Sripathi, 2018 (zusammen mit Dr. Brands, Universität Duisburg-Essen)
  • Literature Review on Functionally Graded Materials (FGMs), Ogunniyi, Olalekan Dada, 2018
  • Review of random field generation approaches, spectral expansion and domain decomposition, Qiwei Zhang, 2017
  • Signal Analysis in the Context of Structural Health Monitoring of Dams, Hamidullah Attaulah, 2017
  • Auswirkungen der Wahl vershiedener Messarten und Fehlerverteilungen auf die Ergebnisse von Schadenidentifikationen für Mauerwerke von Staumauern, Dong Hong Thai, 2017
  • Untersuchung memetischer Optimierungsalgorithmen zur Lösung von kombinatorischen Ingenieuraufgabenstellungen, Paul Brust, 2017, gemeinsam mit Dr. Thomas Most (Dynardo GmbH)
  • Estimation of small failure probabilities in high dimensions by asymptotic sampling applied to a hydro-mechanical coupled system,  Kieu Hai Dang, 2017
  • Vergleich von Ersatzmodellen zur Beschreibung von Antwortgrößen einfacher Staudamm-Modelle zur Verwendung in Zuverlässigkeitsanalaysen, Trung Hieu Hoang, 2017
  • Assessment of decision making techniques for the Rapid visual hazard evaluation of existing buildings,  Mohammad Kifaytullah, 2017
  • Optimization and Validation of the Experimental Setup for a Wave-form-based Characterization of Dams, Amro, Nasr, 2017
  • Topology Optimization of Periodic Concrete Structures, Sebastian Charles Dietrich, 2017
  • Flow Simulation in the Pore Space of Sphere Packings Representing Widely Graded Granular Media, Christian David Rodriguez Lugo, 2017
  • Parametrische Modellierung und FEM-basierte Strukturoptimierung, Maximilian Köhler, 2017
  • Akzeptanz digitaler Technologien der Immobilienwirtschaft in deutschen Haushalten, Carl-Friedrich Schleip, 2017
  • Global Sensitivity Analysis for Masonry Dams using Random Balance Designs, Ragavan Thirupathi, 2017
  • Simulation of Random Fields by the Turning Band Method, Everistus Oguadimma, 2017
  • Optimierung des Bauprozesses bei Gewerbeimmobilien durch Konfliktpräventation, Franziska Krüger, 2017
  • Multikriterielle Prozessoptimierung für unternehmerische Wertschöpfungsketten am Beispiel der BMTI, Chritian Schörnich, 2017
  • Recherche: Stand Industrie 4.0 und Digitalisierung im Bauwesen, Sarah Lapp, 2017
  • Signal Transforms for dynamic data from dams, Hamidullah Attaullah, 2017
  • Sensitivity analysis applied to time dependent signals and their transforms, Rajitha Nirudula, 2017
  • Comparison of Sensitivity Analysis in time and frequency domain, Mohammmad Kifaytulla, 2016/2017
  • Optimierung eines Planungsprozesses am Beispiel von Generalplanungsprojekten, Lioba Gunkel, 2016
  • Methoden zur Reduktion der Diskrepanz zwischen wahren und wahrgenommenen Risiken, Klara Schreiter, 2016
  • Calibration and validation of structural models based on response measurements: Damage prognosis and detection, Mahsa Mirboland, 2016/2017
  • Signal Analysis in the Context of Structural Health Monitoring, Chetan Kahai, 206/2017
  • Fully nonlinear analysis for dam-foundation systems, Christian David Rodriguez Lugo, 2016
  • Identification of spatial variable hydraulic conductivities in dams by means of stochastic inverse problems, Manjunadh Goud, 2016
  • Sensitivitätsanalysen von 3-Feld 2-Phasen Modellen für Staumauern mittels Screening Methoden, Felix Hofmann, 2016
  • Moderne Unternehmensführung - ganzheitliche und interdisziplinäre Determinanten einer nachhaltigen Führungskultur als mehrkriterielles Optimierungsproblem, Christian Schörnich, 2016
  • The effects of the choice of different measurement types and error distributions on damage identification results applied to masonry dams, Duong Hong Thai, 2016
  • Comparison of Fourier and Wavelet transform in the context of Structural Health Monitoring, Chetan Kahai, 2016 (together with Prof. Gürlebeck)
  • Analyse der Verkaufs-/ Vertriebswege des momentanen Immobilienmarktes - Chancen und Risiken, Lioba Gunkel, 2016
  • Efficient Implementation of 2 and 3 Dimensional Random Fields by Means of Turning Bands, Oguadimma Everistus, 2016
  • Wind Pressure Analysis around High Speed Trains, Nwadike Amarachukwu 2016 (together with Prof. Kraus)
  • Calibration and Validation of Structural Models Based on Response Measurements: Damage Prognosis and Detection, Mahsa Mirboland, 2016
  • Estimation of Financial Risks With Extreme Value Theory, Verena Schneider und Clemens Eckart, 2015/2016
  • Shape Optimization in the Context of Load-Structure Interaction Under Uncertain Loads, Felicitas Heumüller, 2015/16 (together with Prof. Morgenthal)
  • Increase of Model Qualities by Optimal Averaging of Meta-Models, Mohamed Fathy Badawy, 2015/16
  • Reliability Analysis of Dams by Random Field Modeling, Hossein Golestan Habibi,  2015/16
  • Implementing Flexibility in Engineering Designs for Foldable Hinged-Rod Roof Systems, Sohaib Anwar, 2015/16
  • Review of probability distributions used in Civil Engineering, Veera Ganesh Reddy Bareddy,  2015/16
  • Ermittlung der stochastischen Verteilungen der Ergebnisse inverser Rechnungen, Christian Schubert, 2015
  • Principle Component Analysis for the Assessment of Experimental Data, Ehsan Harirchian, 2015
  • Methoden der Versuchsplanung für Oberleitungsmaste. Christop Tank, gemeinsam mit Prof. Hildebrand, 2015
  • Portfolio Optimization of Energy Systems, Hossein Golestan Habibi, 2015
  • XFEM Formulation of H-M Systems, Satheesa Narayana Reddy, 2015
  • Randomness in the solution of the inverse problem of void identification in piezoelectrics, Dixon Paulraj, 2015
  • Extension, Calibration and Validation of a Constitutive Model for Cyclic loaded footings resting on unsaturated soils, Muyiwa Alalade, 2014/15
  • Comparison of different optimization strategies for the structural optimization of beams, Felicitas Heumüller, 2014/15
  • Robuste Topologieoptimierung von Tragwerken, Andreas Arnold, 2014/15
  • Reliability Analysis by methods of importance sampling of dams, Manju Sidappa, 2014
  • Sensitivitätsanalyse für ein Ökobilanzmodell eines EFH, Philipp Mengs (zusammen mit Prof. Ruth), 2014
  • Mehrkriterielle Optimierung der Topologie von Strukturkomponenten im Brückenbau, Martin Allert, 2014
  • Analyse der Inspektionsintervalle von Stahlbrücken am Beispiel der Hamburger Hochbahn AG, Neele-Marie Schrader, 2013
  • Strategien zur Optimierung des Bauwerksmonitorings unter ökonomischen Gesichtspunkten, Diana Baltag, Anne Hölle, Theresa Kimpel, Elisabeth Müller, Neele-Marie Schrader: Projekt Technisch-wirtschaftliche Studien 2013

Recent Proceedings / Talks

  • Lahmer, Tom; Schmidt, Albrecht; Könke, Carsten: Reliability analysis for a polymorphic uncertainty model of heterogeneous materials using a domain decomposition approach, GAMM, annual meeting 2019, Vienna
  • Reichert, Ina; Alalade, Muyiwa; Lahmer, Tom : Sensor positioning in the context of wave-based damage identification in dams, GAMM, annual meeting 2019, Vienna
  • Jaouadi, Zouhour; Abbas, Tajammal; Morgenthal, Guido; Lahmer, Tom: Shape optimization of bridge decks considering the Vortex-induced vibration phenomena, GAMM, annual meeting 2019, Vienna
  • T. Lahmer, L. Nguyen-Tuan, S. S. Nanthakumar, M. Alalade: Anomaly Detection in Piezoelectric and Poroelastic Structures, INdAM workshop "Recostruction Methods for Inverse Problems", Rome, 2018
  • A. Schmidt, L. Nguyen-Tuan, C. Könke, T. Lahmer: Application of Polymorphic Cross-Correlated Random Fields to Material Parameters of Heterogeneous Hydro-Mechanical Coupled Systems, Jahrestagung der Gesellschaft für Angewandte Mathematik und Mechanik GAMM 2018
  • L. Nguyen-Tuan, C. Könke , T. Lahmer: Uncertainty assessment in the results of inverse damage identification methods in multifield application, 15th International Probabilistic Workshop, TU Dresden, 2017
  • A. Schmidt, L. Nguyen-Tuan, C. Könke, T. Lahmer: Application of Polymorphic Cross-Correlated Random Fields to Material Parameters of Heterogeneous Hydro-Mechanical Coupled Systems, 15th International Probabilistic Workshop, TU Dresden, 2017
  • F. Alkam, T. Lahmer: Solving Non-Uniqueness Issues in Parameter Identification problems for Pre-stressed Concrete Poles by Multiple Bayesian updating, 15th International Probabilistic Workshop, TU Dresden, 2017
  • T. Lahmer: Solving Inverse Problems under Uncertainty, \textit{Frontiers of Uncertainty Quantification in Engineering},
  • TU München 2017T. Lahmer: Inverse and Ill-Posed Problems in Coupled Systems, Siegmundsburg Workshop ,,Mathematische Systemtheorie'', TU Ilmenau , 2017
  • Tom Lahmer: Inverse and Ill-Posed Problems in Coupled Systems, Abschlussworkshop, GRK 1462, 2017
  • Tom Lahmer: Optimization in Engineering Problems / Optimal Design of Experiments in Applied and Computational Mathematics in Engineering Application, SpringSchool Aveiro (Erasmus + )
  • Tom Lahmer, Carsten Könke, Long Nguyen-Tuan, Albrecht Schmidt: Polymorphic Uncertainty Modeling of Heterogeneous Thermo-Hydro-Mechanical Coupled Systems under Vague Assumptions on Parameter Correlations, GAMM 2017, Weimar
  • Muyiwa Alalade, Long Nguyen-Tuan, Frank Wuttke, Tom Lahmer: Anomaly identification in dams using full waveform inversion, GAMM 2017, Weimar
  • Maria Steiner, Tom Lahmer, Jean-Marc Bourinet: Investigation of a Global Adaptive Sampling Method Based on Least-Square Support Vector Regression, GAMM 2017, Weimar
  • Long Nguyen-Tuan, Carsten Koenke, Tom Lahmer: Identification of damages using inverse analysis in 3D coupled thermo-hydro-mechanical problems, GAMM 2017, Weimar   
  • Bac Nam Vu, Xuan Thang Duong, Tom Lahmer, Harold Park, Timon Rabczuk: An Isogeometric Inverse Method for Finding Unknown Surface Tractions on Shells, GAMM 2017, Weimar   
  • Veronika Hartmann, Tom Lahmer, Kay Smarsly: Project scheduling under uncertainty and resource constraints, GAMM 2017, Weimar
  • Fengjie Tan, T. Lahmer: Optimization of Arch Dams with Robust Analysis, GAMM 2017, Weimar
  • T. Lahmer, L. Nguyen-Tuan, A. Schmidt, C. Könke, Polymorphic Uncertainty Modeling of Heterogeneous Thermo-Hydro-Mechanical Coupled Systems under Vague Assumptions on Parameter Correlations, IPW Ghent, 2016
  • T. Lahmer, Assessment of Uncertainties in the Results of Inverse Source Problems with Application in Steel, ECMI Santiago de Compostela 2016
  • T. Lahmer, On the Optimality of Harmonic Input Signals for the Characterization of Parameters in Coupled Systems, GAMM 2016, Braunschweig
  • L. Nguyen-Tuan, T. Lahmer, Damage Identification and Uncertainties in Coupled Non-Linear Thermo-Hydro-Mechanical Problems Applied to Masonry Dams, REC 2016, Bochum
  • M. Alalade, T. Lahmer, Inverse analysis of coupled hydro-mechanical problem in dynamically excited dams, REC 2016, Bochum
  • M. Steiner, T. Lahmer, Assessment of the Quality of Sensitivity Indices Based on Metamodels, ECOMAS 2016
  • L. Nguyen-Tuan, T. Lahmer; M. Datcheva; E. Stoimenova; T. Schanz: Parameter Identification Applying in Complex Thermo-Hydro-Mechanical Problems Like the Design of Buffer Elements, 20th International Conference on the Application of Computer Science and Mathematics in Architecture and Civil Engineering - IKM 2015
  • F. Tan; T. Lahmer; M. S. Gyaraganahalli: Section Optimization and Reliability Analysis of Arch-Type Dams Including Coupled Mechanical-Thermal and Hydraulic Fields, IKM 2015
  • M. Alalade; B.  Kafle; F. Wuttke; T. Lahmer: Calibration of Cyclic Constitutive Models for Soils by Oscillating Functions, IKM 2015
  • I. Reichert; P. Olney; T. Lahmer: Comparison and Combination of Different Approaches for the Model-Based Design of Experiments Under Moderate Errors, IKM 2015
  • Z. Jaouadi; T. Lahmer: Topology Optimization of Structures Subjected to Multiple Load Cases by Introducing the Epsilon Constraint Method, IKM 2015
  • M. Steiner, T. Lahmer: Best Practice in Metamodeling for Data Derived from Civil Engineering Application, IKM 2015
  • V. Hartman, K. Smarsly, T. Lahmer: Robust Scheduling In Construction Engineering, IKM 2015
  • L. Göbel, D. Osburg, T. Lahmer: Study Of Analytical Models Of The Mechanical Behaviour Of Polymer-Modified Concrete, IKM 2015
  • H.B. Motra, J. Hildebrand, A.D. Osburg, T. Lahmer, Reliability of Measurement Results for Materials Testing
  • V. Hartman, T. Lahmer, K. Smarsly. Assessment and optimization of the robustness of construction schedules, in Proceedings of EG-ICE, 2015
  • T. Lahmer, Examples of Inverse Problems in Science and Engineering and a (brief) review of regularizing methods - Invited Talk @ 17th Annual Workshop on Applications and Generalizations of Complex Analysis, Aveiro, Portugal
  • M.. Steiner, T. Lahmer, Best practice in metamodeling for data derived from civil engineering applications, GAMM Jahrestagung 2015
  • I. Reichert, P. Olney, T. Lahmer, V. Zabel. Comparison of Different Approaches for the Model-Based Design of Experiments, IMAC, Orlando, 2015. Model Validation and Uncertainty Quantification, Volume 3 Conference Proceedings of the Society for Experimental Mechanics Series 2015, pp 135-141
  • T. Lahmer, E. Rafajlowicz. On the Optimality of Harmonic Excitation as Input Signals for the Characterization of Smart Materials, invited talk in Methods and Applications of Designed Experiments for the 12-th German-Polish Workshop on Stochastic Models, Statistics and Their Applications, Wroclaw, Poland, February 16-20, 2015
  • I. Reichert, P. Olney, T. Lahmer. Comparison of Different Design of Experiment Techniques for Systems under Moderate Systematic Errors, Proceedings of the 12th International Probabilistic Workshop 2014, Weimar, DOI: 10.1466/20141125.01
  • S.S. Nanthakumar und T. Lahmer. Detection of interfaces in piezoelectric structures using a regularised level set method, Chemnitz Symposium on Inverse Problems, 2014
  • T. Lahmer, S. Bock, J. Hildebrand, K. Gürlebeck, Identification of Residual Stresses in Steel under Uncertain Model Components, Proceedings of the 12th International Probabilistic Workshop 2014, Weimar
  • H.B. Motra, J. Hildebrand, A.D. Osburg, T. Lahmer, Reliability of Measurement Results for Materials Testing, Proceedings of the 12th International Probabilistic Workshop 2014, Weimar, DOI: 10.1466/20141125.01
  • T. Lahmer, Qualitätsbewertung von Modellen zur Einschätzung von Risiken, 14. Betriebswirtschaftliches Symposium-Bau, 2014 Weimar
  • T. Lahmer, Uncertainty Analysis of Piezoelectric Models, Bayesian Updating, 9th International Workshop on Piezoelectricity, 2013.
  • S. S. Nathakumar, T. Lahmer und T. Rabczuk: Crack and Damage Identification in Piezoelectric Structures, 9th International Workshop on Piezoelectricity, 2013.