Scientific Staff Member
Ludewig-Meyn-Straße 10, R.366
Phone:
+49 431 880 1979
Telefax:
+49 431 880-4376
hem.motra@ifg.uni-kiel.de
Research interests
- Reliable engineering computing
- Structural Reliability, Risk and Hazard Analysis
- Uncertainty modeling in Structural and Geotechical Engineering
- Quality Evaluation of Numerical, Mathematical and Experimental models/methods
- Rock Physics
- Reservoir characterization
- Elastic and seismic anisotropy of rock under high pressure and high temperature
- Geostatistics
Publications
Journal articles
- Zertani, S., John, T., Tilmann, F., Motra, H. B., Keppler, R., Andersen, T. B., Labrousse, L., (2019): "Modification of the seismic properties of subducting
continental crust by eclogitization and deformation processes". In: Journal of Geophysical Research: Solid Earth 124, 9731-9754. https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2019JB017741
- Khalifeh, M., Saasen, A., Hodne, H., Motra, H. B., (2019): "Laboratory evaluation of rock-based geopolymers for zonal isolation and permanent P and
A applications. In: Journal of Petroleum Science and Engineering 175. 352-362. https://doi.org/10.1016/j.petrol.2018.12.065.
- Motra, H. B., Magar, J., Ismail, A., Wuttke, F., Rabbel, W., Köhn, D., Thorwart, M., Simonetta, C., Costantin, N, (2018) "Determining the influence of pressure and temperature on the elastic constants of anisotropic rock samples using ultrasonic wave techniques." Journal of Applied Geophysics, Vol. 159, 715-730. https://www.sciencedirect.com/science/article/pii/S0926985117311357
- Motra, H. B., Stutz, H.H., (2018) "Geomechanical Rock Properties Using Pressure and Temperature Dependence of Elastic P- and S-Wave Velocities", Geotechnical and Geological Engineering, 36:6, 3751-3766, https://link.springer.com/article/10.1007/s10706-018-0569-9
- Motra, H. B., and Zertani, S., (2018) "Influence of loading and heating processes on elastic and geomechanical properties of eclogites and granulites", Journal of Rock Mechanics and Geotechnical Engineering, 10:1, 127-137, https://www.sciencedirect.com/science/article/pii/S1674775517301221
- Ji, S., Li, L., Motra, H. B., Wuttke, F., Sun, S., Michibayashi, K., Salisbury, M. H., (2018) "Poisson’s ratio and auxetic properties of natural rocks", Journal of Geophysical Research: Solid Earth, An AGU Journal, 123:2, 1161-1185. https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1002/2017JB014606
- Rabbel, W., Jusri, T., Köhn, D., Motra, H. B., Niederau, J., Schreiter, L., Thorwart, M., Wuttke, F., (the DESCRAMBLE Working Group), (2017) "Seismic Velocity Uncertainties and their Effect on Geothermal Predictions, Energy Procedia, 125, 283-290. https://www.sciencedirect.com/science/article/pii/S1876610217336780
- Sattari, A.S., Rizvi, Z.H., Motra, H.B., Wuttke, F., (2017), "Meso-scale modeling of heat transport in a heterogeneous cemented geomaterial by lattice element method", Granular Matter. 19:66. https://link.springer.com/article/10.1007%2Fs10035-017-0751-4
- Rabbel, W., Köhn, D., Motra, H. B., Niederau, J., Thorwart, M., Wuttke, F. (2017), "Seismic velocity uncertainties and their effect on geothermal predictions: A case study". European Geosciences Union, General Assembly 2017, 19, EGU2017-9698. https://www.sciencedirect.com/science/article/pii/S1876610217336780
- Scheiber, F., Motra, H. B., Legatiuk, D., Werner, F., (2016) “Uncertainty-based Evaluation and Coupling of Mathematical and Physical Models”, Probabilistic Engineering Mechanics, 45 pp 52-60. https://www.sciencedirect.com/science/article/pii/S0266892016300030
- Motra, H. B., Hildebrand, J., Wuttke, F., (2016) “Monte Carlo method for the evaluation of measurement uncertainty: application to determine material properties”, Probabilistic Engineering Mechanics, https://www.sciencedirect.com/science/article/pii/S0266892016300480
- Motra, H. B., Stutz, H., and Wuttke, F., (2016) "Quality assessment of soil bearing capacity factor models of shallow foundations", Soils and Foundations 56:2, 265-276. https://www.sciencedirect.com/science/article/pii/S0038080616000305
- Motra, H. B., (2015) " Uncertainty and Sensitivity Analysis of Cyclic Creep Models of Concrete" Asian Journal of Applied Sciences 8 (4): 240-258. https://scialert.net/fulltextmobile/?doi=ajaps.2015.240.258
- Keitel, H., Jung, B., Motra, H. B., Stutz, H.,(2014) “Quality assessment of coupled partial models considering soil–structure coupling”. Engineering Structure, 59, 565-573. https://www.sciencedirect.com/science/article/pii/S0141029613005294
- Motra, H. B., Hildebrand, J., Dimmig-Osburg, A., (2014) "Assessment of strain measurement techniques to characterize mechanical properties of structural steel". Engeneering Science and Technology, an International Journal, Vol. 17 260-269. https://www.sciencedirect.com/science/article/pii/S2215098614000597
- Motra, H. B., Dimmig-Osburg, A., Hildebrand, J., (2014) "Quality assessment of models with an application to cyclic creep prediction of concrete". International Journal of Reliability and Safety, Vol. 8, No. 2, 262-283 http://www.inderscience.com/offer.php?id=69513
- Motra, H. B., Hildebrand, J., Dimmig-Osburg, A., (2014) "Influence of specimen dimensions and orientations on the tensile properties of structural steel", Material Testing, Vol.56, No.11-12, 929-936. https://www.hanser-elibrary.com/doi/abs/10.3139/120.110659
- Motra, H. B., Dimmig-Osburg, A., Hildebrand, J., (2013) "Quality assessment of strain measurement in concrete structures", Bautechnik-Special Edition "Model quality", 90, 69-75.
- Motra, H. B., Dimmig-Osburg, A., Hildebrand, J., (2013) "Evaluation of experimental measurement uncertainty in engeneering properties of PCC samples". Journal of Civil Engeneering Research, 3(3), 104-113.
- Scheiber, F., Motra, H. B., (2013) "Tragwerksmonitoring und numerische Simulation". Bautechnik-Special Edition "Model quality" , 90, 63-68.
Conference proceedings (peer-reviewed)
- Mews, K.S., Alhubail, M.M., Hansen, L., Motra, H.B., Wuttke, F., Ye, Q., Misra, A., Ghahfarokhi, R.B. (2020). From Peak Force Quantitative Nanomechanical Mapping Measurements to Triaxial Testing: A Comparative Study of Geomechanical Properties of Clay-Rich Carbonates. ASME 2020 39th International Conference on Ocean, Offshore and Arctic 2020.
- Wuttke, F., Sattari, A.S., Motra, H., Sittig, F. (2020). Analyse der Wärmeleitfähigkeit von Gesteinen unter in-situ thermo-mechanischen Bedingungen, Geothermie-Kongress.
- Rabbel, W., Motra, H .B., Kohn, D., Jusri, T., Lehr, J., Thorwart, M., and the DESCRAMBLE Working Group (2019): "Seismic Exploration of a Deep, Possibly
Super-critical, Hydrothermal Reservoir in the Larderello Area". In: Conference: 81st EAGE Conference and Exhibition 2019, WS09 Exploration and Monitoring
of Geothermal ReservoirsAt: London, United Kingdom.
- Bazargan, M., Motra, H. B., Almqvist, B. S.G., Hieronymus, C.X., Piazolo, S. (2019): "Experimental investigation and numerical modelling of elastic wave
propagation in metamorphic rocks". In: Conference: IGSC 2019, Uppsala, Sweden.
- Bazargan, M., Motra, H. B., Almqvist, B. S.G., Hieronymus, C.X., Piazolo, S. (2019): "Elastic wave anisotropy in amphibolites and paragneisses from the Swedish Caledonides measured at high pressures (600 MPa) and high temperatures (600 °C)". Conference: EGU 2019, Vienna, Austria.
- Khalifeh, M., Motra, H. B., Saasen, A., Hodne, H., (2018) "Potential utilization for rock-based geopolymers in oil well cementing", Proceedings of the ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2018), Madrid, Spain.
- Kohn, D., Jusri, T., Rabbel, R., Motra, H.B., Schreiter, L., Thorwart, M., Nil, D. De., Wuttke, F., Buske, S., and the DESCRAMBLE Working Group, (2018) "Effects of seismic anisotropy on target depth determination in geothermal exploration", Near Surface Geoscience Conference & Exhibition 2018, Porto, Portugal.
- Hangx, S., Motra, H. B., Verberne, B., Trahwiwit, A., TessBosch, T., and Spiers, C.,(2018) "Integrating Acoustic Measurements and Microstructural Analysis to Assess The In-situ State of Stress of Sandstone Reservoirs". EGU2018-16331.
- Zertani, S., John, T., Tilmann, F., Motra, H. B., Labrousse, L., Andersen, T. B. (2017), "Petrophysical properties of eclogite facies shear zones and their relationship to receiver function signals", European Geosciences Union, General Assembly 2017, 19, EGU2017-18686. http://meetingorganizer.copernicus.org/EGU2017/EGU2017-18686.pdf.
- Rizvi, Z.H., Sattari, A.S., Motra, H.B., Wuttke, F., (2017) "Effective parameter evaluation in heterogeneous cemented geomaterials subjected to high temperature, pressure and constrained deformations", Second International Symposium on Coupled Phenomena in Environmental Geotechnics, Leeds, UK.
- Rabbel, W., Köhn, D., Motra, H. B., Niederau, J., Thorwart, M., Wuttke, F., DESCRAMBLE Working Group, (2017), "Geothermal prospecting and the role of seismic velocity uncertainties", 77th annual meeting of the German Geophysical Society (DGG), At Potsdam, Germany.
- Motra, H., and Wuttke, F., (2016), "3D seismic wave velocities (anisotropy) of rock samples under HP/HT conditions", Interpore: 1st German National Chapter Meeting 5-6, Leipzig, Germany.
- Rizvi, Z.H., Motra, H.B., Sembdner, K., Sattari, A.S., Wuttke, F., (2016) “ Time lapsed monitoring and numerical simulation of thermo-mechanical properties of fractured porous rock“, Interpore, Ohio, Cincinnati, USA
- Kurzawski, R.M., Behrmann, J.H., Stipp, M., Motra, H.B.,(2016)"Crystals, grains or cracks? Causes for seismic anisotropy in rocks from the Eclogite Zone", Tauern Window, Austria. In: GeoTirol 25-28 September 2016, Innsbruck, Austria .
- Motra, H. B., Dimmig-Osburg, A., Hildebrand, J., Lahmer, T., (2014) "Reliability of measurement results for materials testing", 12th International Probabilistic Workshop, IPW2014, Weimar/Germany.
- Scheiber, F., Motra, H. B., Legatiuk, D., Werner, F., (2014) "Model coupling in structural engeneering application". 12th International Probabilistic Workshop, IPW2014, Weimar/Germany.
- Scheiber, F., Motra, H. B., (2013) "Ansatz zur hybriden Modellierung im Konstruktiven Ingenieurbau - Bewertete Kopplung von mathematischen und physikalischen Modellen". 7th symposium "Experimentelle Untersuchungen von Baukonsturktionen", Technische Universität Dresden Germany.
- Keitel, H., Stutz, H., Jung, B., Motra, H. B., (2013)"Prognosequalität eines Gesamtmodells – Einfluss verschiedener Kopplungsszenarien auf die Interaktion Struktur". In: Boden Bautechnik 04/2013; 90 (Sonderdruck "Modellqualitäten"):19-25.
- Motra, H. B., Dimmig-Osburg, A., Hildebrand, J., (2013) "Influence of measurement uncertainties on results of creep prediction of concrete under cyclic loading". Proceedings of the 8th International Conference on Fracture Mechanics of Concrete and Concrete Sructures, Toledo-Spain.
- Motra, H. B., Dimmig-Osburg, A., Hildebrand, J., (2013) "Uncertainty quantification on creep deflection of concrete beam subjected to cyclic loading". 11th International Conference on Structural Safety & Reliabiliy, Columbia University, New York, NY, 16-20 ,USA.
- Motra, H. B., Dimmig-Osburg, A., Hildebrand, J., (2012) "Probabilistic assessment of concrete creep models under repeated loading with correlated and uncorrelated input variables". Proceedings of the 10th International Probabilistic Workshop, Stuttgart, 15-16.
Book chapters
- Sattari, A.S., Motra, H.B., Rizvi, Z.H., Wuttke, F., (2019), "A new lattice element method (LEM) with integrated interface elements for determining the effective thermal conductivity of rock solids under thermo-mechanical processes", Energy Geotechnics, Springer Series in Geomechanics & Geoengineering. https://link.springer.com/chapter/10.1007/978-3-319-99670-7_34
- Wuttke, F., Sattari, A.S., Rizvi, Z.H., Motra, H.B., (2017), "Advanced Meso-Scale Modelling to Study the Effective Thermo-Mechanical Parameter in Solid Geomaterial", Advances in Laboratory Testing and Modelling of Soils and Shales (ATMSS), Springer Series in Geomechanics and Geoengineering, https://link.springer.com/chapter/10.1007%2F978-3-319-52773-4_9
- Motra, H. B., and Wuttke, F., (2016), "Temperature dependence of elastic P- and S-wave properties of rocks: Applications to geothermal reservoir evaluation", Energy Geotechnics - Proceedings of the 1st International Conference on Energy Geotechnics ICEGT 2016, Kiel, Germany. https://www.taylorfrancis.com/books/9781315315232
Teaching
Winter
- Exercises to Geomechanics and Geotechnics I (B.Sc.)
- Theoretische Geomechanik (B.Sc.)
- Mechanik für Geowissenschaftler (B.Sc.)
- Advanced Lectures II - Numerical Methods (M.Sc.)
- Lab Exercises Geomechanics & Geotechnics (B. Sc.)
Summer
- Geomechanics and Geotechnics II (B.Sc.)
- Foundation Engineering II and Geotechnologies (M.Sc.)
- Advanced Lectures I - Constitutive Models (M.Sc.)