Dr.-Ing. Long Nguyen Tuan

Contact

Address

Marienstraße 15, Room 102
99423 Weimar

Phone

+49 3643 584503

Email

long.nguyen.tuan@uni-weimar.de

Research Interests

  • Sensitivity analysis: local and global analysis
  • Optimization analysis: Particle Swarm Optimization
  • Numerical simulation in FEM: coupled Thermo-Hydro-Mechanical Problems
  • Numerical simulation in FEM: embankment and landslide analysis
  • Time Domain Reflectometry method
  • Experiment in unsaturated soils
  • Soil water characteristic curve: model development

    Publication List

    • Nguyen-Tuan, L.; Koenke, C.; Bettzieche, V. & Lahmer, T. Numerical modeling and validation for 3D coupled-nonlinear thermo-hydro-mechanical problems in masonry dams. Computers and Structures, 2017, 178, 143-154
    • Nguyen-Tuan, L.; Lahmer, T.; Datcheva, M. & Schanz, T. Global and local sensitivity analyses for coupled thermo–hydro–mechanical problems. Int. J. for Numerical and Analytical Methods in Geomechanics, 2016 (In press), Opens external link in new windowDoi: 10.1002/nag.2573
    • Nguyen-Tuan, L.; Lahmer, T.; Datcheva, M.; Stoimenova, E. & Schanz, T. A novel parameter identification approach for buffer elements involving complex coupled thermo-hydro-mechanical analyses. Computers and Geotechnics, 2016, 76, 23 - 32
    • Nguyen-Tuan, L.; Lahmer, T.; Bettzieche, V. & Koenke., K. Simulation Models for 3D Coupled Thermo-Hydro-Mechanical Problems in Masonry Dams. Proc. of The 6-th Int. Conf. Approx. Methods and Numerical Modelling in Environment and Natural Resources, 2015, 555-556
    • Nguyen-Tuan, L.; Lahmer, T.; Datcheva, M.; Stoimenova, E. & Schanz, T. Gürlebeck, K. & Lahmer, T. (Eds.) Parameter identification applying in complex thermo-hydro-mechanical problems like the design of buffer elements Proc. 'Int. Conf. on the Applications of Com. Scil and Math. in Architecture and Civil Eng.' Bauhaus-University Weimar, 2015, 160-165
    • Nguyen-Tuan, L.; Lahmer, T.; Datcheva, M.; Stoimenova, E. & Schanz, T. A novel parameter identification approach for buffer elements involving complex coupled thermo-hydro-mechanical analyses. Computers and Geotechnics, 2016, Vol. 76, 23 – 32.
    • Nguyen-Tuan, L.; Lahmer, T.; Bettzieche, V. & Könke, K. “Simulation Models for 3D Coupled Thermo-Hydro-Mechanical Problems in Masonry Dams” In Proceedings of The 6-th International Conference on Approximation Methods And Numerical Modelling in Environment and Natural Resources, 2015, pp. 555-556.
    • Nguyen-Tuan, L.; Lahmer, T.; Datcheva, M.; Stoimenova, E. & Schanz, T. Parameter identification applying in complex thermo-hydro-mechanical problems like the design of buffer elements. In Proc. ‘International Conference on the Applications of Computer Science and Mathematics in Architecture and Civil Engineering’, 2015, pp. 160-165.
    • Schanz, T.; Borgatti, L. and Nguyen-Tuan L. „Large landslides in computational geomechanics – model validation and mitigation” Proceeding of 74. Jahrestagung der Deutschen Geophysikalischen Gesellschaft, 2014, pp. 3-14.
    • Nguyen-Tuan, L.; Spreafico, M.; Datcheva, M.; Borgatti, L. and Schanz, T. In Javadi, A. & Hussain, M. (eds.) “A coupled hydro-mechanical analysis of slope instability processes in San Leo (RN, Italy).” Proceeding of 22nd ACME Conference on Computational Mechanics, 2014, pp. 53-56.
    • Nguyen-Tuan, L.; Datcheva, M.; Stoimenova, E. and Schanz, T. “Parameter identification for a thermo-hydro-mechanical model of the buffer material: Stochastic Based Back Analysis.” in Proceeding of 8th European Conference on Numerical Methods in Geotechnical Engineering, 2014, pp. 1001-1006.
    • Schanz, T.; Nguyen-Tuan, L.; Baille, W.; Tripathy, S. and Datcheva, M. In Schäfers, A. & Fahland, S. (ed.) “Thermo-hydro-mechanical behaviour of unsaturated buffer materials: a column-type approach.” in Proceeding of International Conference on the Performance of Engineered Barriers (PEBS). February 06-07. 2014, 2014, pp. 213-218.
    • Schanz, T.; Viefhaus, H. & Nguyen-Tuan, L. “Quantitative interpretation of tracks for determination of body mass using finite element analysis” in Proceeding of 11th World Congress on Computational Mechanics, 2014.
    • Nguyen-Tuan, L.; Viefhaus, H.; Datcheva, M. and Schanz, T. “Coupled thermo-hydro-mechanical modelling of crack development along fossil dinosaur's footprints in soft cohesive sediments.” in Proceeding of V Conference on Computational Methods for Coupled Problems in Science and Engineering, Ibiza, Spain (17-19 June, 2013)., 2013, 5, 67-79
    • Schanz, T.; Nguyen-Tuan, L. and Datcheva, M.  “Column experiment to study the thermo-hydro-mechanical behaviour of expansive soils.” Journal of Rock Mechanics and Rock Engineering (2013), Vol. 46, 1287-1301.
    • Schanz, T.; Nguyen-Tuan, L. and Datcheva, M. “Thermo-hydro mechanical column experiment to study expansive soil behaviour.” in Proceeding of Advances in Multiphysical Testing of Soils and Shales (AMTSS) in Lausanne Switzerland, September 2012. pp 125-130.
    • Schanz T.; Datcheva M. and Nguyen-Tuan L. “Back analysis of a coupled thermo-hydro-mechanical model based on instrumented constant volume column test”, Coupled Problems 2011, IV International Conference on Computational Methods for Coupled Problems in Science and Engineering, M. Papadrakakis, E. Oñate and B. Schrefler (Eds.) 20-22 June, 2011, Kos Island, Greece, pp. 76-89.
    • Nguyen-Tuan L.; Datcheva M.; Khan M.I.  and Schanz T.  “Numerical investigation and back analysis for high swelling pressure in constant volume test.” in Proceeding of the Thirteenth International Conference on Civil, Structural and Environmental Engineering Computing, No. 96, B.H.V. Topping and Y. Tsompanakis (Eds.), Chania-Crete-Greece 6-9 September 2011, paper 204.
    • Schanz T.; Baille W. and Nguyen Tuan L.  “Effects of temperature on measurements of soil water content with time domain reflectometry” ASTM - Geotechnical Testing Journal (2011), Vol. 34: (1), 01-08.
    • Nguyen-Tuan L.; Datcheva M. and Schanz T. “Landslide hazard: a coupled hydro-mechanical analysis with variation of suction and soil stiffness during wetting process – Ma River case study.” in Proceedings of the International Symposium Hanoi Geoengineering 2010. H.G. Pham, T.N. Mai, H. Ohtsu, V.L Dang, H.M Nguyen (eds.), Hanoi, Viet Nam, 22-23 Nov. 2010, pp. 219-226. ISBN: 978-604-62-0403-9.
    • Khan M.I.; Nguyen-Tuan L. and Schanz T. “Experimental and numerical investigation of swelling pressure in compacted bentonite.” in Proceeding of the International Conference on Geotechnical Engineering. Sohail Kibria, Hamid Masood Qureshi and Arooj Mahmood Rana (Eds.). November 5-6, 2010, Lahore, Pakistan, pp. 147-155.
    • Nguyen-Tuan, L.; Datcheva, M. and Schanz, T. “Landslide Hazard: A coupled hydro-mechanical analysis with variation of suction and soil stiffness during wetting process - Ma River case study” Vietnam Geotechnical Journal (in English), 2010, 14, 42-51.
    • Nguyen-Tuan L.; Datcheva M. and Schanz T. ”Numerical simulation and back analysis of coupled thermo-hydro-mechanical behavior of sand-bentonite mixture” in Proceeding of 18th International Conference on the Application of Computer Science and Mathematics in Architecture and Civil Engineering, K. Gurlebeck and C. Konke (eds.), Weimar, Germany, 07-09 July 2009, paper 184.
    • Nguyen-Tuan L.; Dacheva M. and Schanz T. "Hydro-mechanical behaviour of a multi-layer engineered barrier system with imperfections: numerical simulation" NCTAM Conference, Bulgaria, July 2009. (Poster)