| Dr.-Ing. Abdullah Alsahly | |
 | Ruhr University Bochum Institute for Structural Mechanics IC / 6 / 175 Universitätsstraße 150 44801 Bochum Email: abdullah.alsahly@rub.de Tel: 0234 / 32-29057 download vCard |
Education
| since 2017 | Research Group Leader at the Institute for Structural Mechanics, Department of Civil and Environmental Engineering, Ruhr University Bochum |
| 20. Dec. 2017 | Doctoral degree (Dr.-Ing.), Ruhr University Bochum, Germany. Doctor of engineering in civil engineering. Graduated with distinction (summa cum laude). Dissertation title: „Advanced computational techniques in mechanized tunneling”. |
| Oct. 2008 - Oct. 2010 | Master of Science in Computational Engineering 10/2010, DISSERTATION: "Path-dependent remeshing and variable transfer for numerical simulation of shield supported tunneling" Institute for structural mechanics, Ruhr Universität Bochum, Germany |
| Oct. 1997 – Aug. 2002 | BS Civil Engineering, University of Damascus, Syria. Specialization in Structural Engineering. 3rd in class |
Research Area
- Constitutive modeling of inelastic material
- Error estiomation and adaptive remeshing
- Failure and localization analysis in poro-plastic media
- Numerical simulation in mechanized tunneling
Lectures
- FEM for Nonlinear Analyses of Inelastic Materials and Structures
- Finite Elemente Methoden für elasto-plastische Stoffgesetze
Publications
Scientific Publications in Refereed Journals | |
| [ 1 ] |
Y. Zendaki, B.T. Cao, A. Alsahly, S. Freitag, and G. Meschke A simulation-based software to support the real-time operational parameters selection of tunnel boring machines Underground Space, 2023 submitted |
| [ 2 ] |
Jelena Ninic, Abdullah Alsahly, Andre Vonthron, Hoang-Giang Bui, Christian
Koch, Markus König, and Günther Meschke From digital models to numerical analysis for mechanised tunnelling: a fully automated design-through-analysis workflow Tunneling and Underground Space Technology, 107:103622, 2021 [ DOI ] |
| [ 3 ] |
A. Marwan, V.E. Gall, A. Alsahly, and G. Meschke Structural forces in segmental linings: Process-oriented tunnel advance simulations vs. conventional structural analysis Tunneling and Underground Space Technology, 111(103836), 2021 [ DOI ] |
| [ 4 ] |
A. Alsahly, F. Hegemann, M. König, and G. Meschke Integrated bim-to-fem approach in mechanised tunneling Geomechanics and Tunneling, 13(2):212--220, 2020 |
| [ 5 ] |
M. Obel, A. Marwan, A. Alsahly, S. Freitag, P. Mark, and G. Meschke Schadensbewertungskonzepte für innerstädtische Bauwerke bei maschinellen Tunnelvortrieben Bauingenieur, 93(12):482--491, 2018 [ http ] |
| [ 6 ] |
A. Alsahly, C. Callari, and G. Meschke An algorithm based on incompatible modes for the global tracking of strong discontinuities in shear localization analyses Computer Methods in Applied Mechanics and Engineering, 330:33--63, 2017 [ DOI ] |
| [ 7 ] |
A. Alsahly, J. Stascheit, and G. Meschke Advanced finite element modeling of excavation and advancement processes in mechanized tunneling Advances in Engineering Software, 100:198 -- 214, 2016 [ DOI ] |
| [ 8 ] |
G. Meschke, S. Freitag, A. Alsahly, J. Ninić, S. Schindler, and C. Koch Numerische Simulation maschineller Tunnelvortriebe in innerstädtischen Gebieten im Rahmen eines Tunnelinformationsmodells Bauingenieur, 89(11):457--466, 2014 [ http ] |
| [ 9 ] |
G. Meschke, J. Ninic, J. Stascheit, and A. Alsahly Parallelized computational modeling of pile-soil interactions in mechanized tunneling Engineering Structures, 47:35 -- 44, 2013 Invited paper for Special Issue Computational Mechanics |
Scientific Publications in Conference Proceedings | |
| [ 10 ] |
Y. Zendaki, B.T. Cao, A. Alsahly, S. Freitag, and G. Meschke Tunaid - interactive simulation-based tunnel track design tool for mechanized tunneling in urban areas In Proceedings of the World Tunneling Congress (WTC 2023), 2023 |
| [ 11 ] |
R. J. Williams M., A. Alsahly, and G. Meschke Computational modelling of artificial ground freezing in mechanized tunnelling In Proceedings of the World Tunneling Congress (WTC 2023), 2023 |
| [ 12 ] |
Y. Zendaki, B.T. Cao, A. Alsahly, S. Freitag, and G. Meschke Simulation-based surrogate models for real-time tunnel lining behavior predictions In International Conference on Computational Methods and Information Models in Tunneling (EURO:TUN), Bochum, Germany, June 2022 |
| [ 13 ] |
R. J. Williams M., A. Alsahly, and G. Meschke Numerical simulation of mechanized tunnelling driven through frozen soil In International Conference on Computational Methods and Information Models in Tunneling (EURO:TUN), Bochum, 2022 |
| [ 14 ] |
H.G. Bui, B.T. Cao, A. Alsahly, S. Freitag, and G. Meschke Real-time simulation-based interactive design for tunnel alignments In International Conference on Computational Methods and Information Models in Tunneling (EURO:TUN), Bochum, 2022 |
| [ 15 ] |
G. E. Neu, A. Marwan, A. Alsahly, and G. Meschke Beanspruchung segmentierter Tunnelschalen infolge maschineller Vortriebe entlang gekrümmter Trassen In M. Bischoff, M. von Scheven, and B. Oesterle, editors, Baustatik-Baupraxis 14, pages 823--830. Universität Stuttgart, 2020 [ DOI ] |
| [ 16 ] |
G. Meschke, S. Freitag, A. Alsahly, and B.T. Cao Numerische Vortriebssimulation im maschinellen Tunnelbau In 7. Münchener Tunnelbau Symposium. Universität der Bundeswehr München, 2020 submitted |
| [ 17 ] |
G. Meschke, S. Freitag, A. Alsahly, and B.T. Cao Computergestützte Simulationen im maschinellen Tunnelbau -- vom Design zur Vortriebssteuerung In M. Bischoff, M. von Scheven, and B. Oesterle, editors, Baustatik-Baupraxis 14, pages 81--88. Universität Stuttgart, 2020 [ DOI ] |
| [ 18 ] |
A. Alsahly, A. Marwan, M. Obel, P. Mark, and G. Meschke Soil-building interaction and risk assessment of existing structures during mechanized tunneling In M. BArla, editor, IACMAG 2020, 2020 |
| [ 19 ] |
A. Marwan, A. Alsahly, M. Obel, P. Mark, and G. Meschke Soil-building interaction in mechanized tunneling: A comparison of modeling approaches In D. Peila, G. Viggiani, and T. Celestino, editors, Tunnels and Underground Cities: Engineering and Innovation meet Archaeology, Architecture and Art, pages 2653--2662. Taylor & Francis Group, London, 2019 |
| [ 20 ] |
A. Alsahly, A. Marwan, and G. Meschke Tbm drive along curved alignments: Model based prognosis of shield movement In D. Peila, G. Viggiani, and T. Celestino, editors, Tunnels and Underground Cities: Engineering and Innovation meet Archaeology, Architecture and Art, pages 1637--1646. Taylor & Francis Group, London, 2019 |
| [ 21 ] |
A. Alsahly, C. Callari, and G. Meschke Numerical assessment of face stability in mechanized tunneling: Application of eas formulation for the prediction of failure mechanism In A. Abu Krisha and M. Zaki Abdelrehim, editors, ETS Tunneling and undergorund Construction Conference 2019, pages 170--179, 2019 |
| [ 22 ] |
G. Meschke, B.T. Cao, A. Alsahly, and S. Freitag Real-time TBM steering assistance system using numerical simulation and monitoring data In Proceedings of the ITA-AITES World Tunnel Congress 2018 (WTC 2018), pages 1--14, Dubai, 2018 |
| [ 23 ] |
A. Marwan, A. Alsahly, V. Gall, and G. Meschke Computational modeling for joint rotations of segmental lining in mechanized tunneling In Proceedings of the ITA-AITES World Tunneling Congress (WTC 2018), 2018 |
| [ 24 ] |
A. Alsahly, A. Marwan, V. Gall, M. Scheffer, M. König, and G. Meschke Bim-to-fem: Incorporating numerical simulations into bim concepts with application to the wehrhahn-line metro in düsseldorf In Proceedings of the ITA-AITES World Tunneling Congress (WTC 2018), 2018 |
| [ 25 ] |
G. Meschke, A. Alsahly, V.E. Gall, G. Neu, and Y. Zhan Numerische Mehrebenensimulation segmentierter Tunnelschalen aus Faserbeton In G. Meschke, S. Freitag, C. Birk, J.M. Menkenhagen, and T. Ricken, editors, Baustatik-Baupraxis 13, pages 391--400. Ruhr-Universität Bochum, 2017 |
| [ 26 ] |
A. Marwan, A. Alsahly, V. Gall, and G. Meschke Computational modelling for segmental lining installation in mechanized tunneling In G. Hofstetter, K. Bergmeister, J. Eberhardsteiner, G. Meschke, and H.F. Schweiger, editors, Computational Modeling in Tunneling and Subsurface Engineering (EURO-TUN 2017), 2017 |
| [ 27 ] |
C. Callari, A. Alsahly, and G. Meschke Assessment of stand-up time and advancement rate effects for tunnel faces below the water table In G. Hofstetter, K. Bergmeister, J. Eberhardsteiner, G. Meschke, and H.F. Schweiger, editors, Proceedings of the 4th International Conference on Computational Methods in Tunneling and Subsurface Engineering (EURO:TUN 2017), pages 91--98. University Innsbruck, 2017 |
| [ 28 ] |
C. Callari, A. Alsahly, and G. Meschke Predicting stand-up time of the tunnel face using 3d numerical simulations In Proceedings of the World Tunneling Congress, 2017 |
| [ 29 ] |
H. G. Bui, A. Alsahly, J. Ninić, and G. Meschke Bim-based model generation and high performance simulation of soil-structure interaction in mechanized tunnelling In The Fifth International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering (PARENG 2017), page Paper 44, 2017 |
| [ 30 ] |
A. Alsahly, V. E. Gall, A. Marwan, G. Meschke, M. Scheffer, and M. König Bim-to-fem: Incorporating numerical simulations into bim concepts with application to real tunneling projects In Proceedings of the World Tunneling Congress (WTC 2017), 2017 |
| [ 31 ] |
A Alsahly, C Callari, and G Meschke Investigation of computational approaches for the assessment of tunnel face stability In G. Hofstetter, K. Bergmeister, J. Eberhardsteiner, G. Meschke, and H.F. Schweiger, editors, Proceedings of the 4th International Conference on Computational Methods in Tunneling and Subsurface Engineering (EURO:TUN 2017), pages 99--106. University Innsbruck, 2017 |
| [ 32 ] |
S. Freitag, G. Meschke, B.T. Cao, and A. Alsahly Numerical simulation of mechanised tunnelling processes with polymorphic uncertain data In Proceedings of the 12th World Congress on Computational Mechanics (WCCM 2016), page 1962, Seoul, 2016 |
| [ 33 ] |
S. Freitag, A. Alsahly, and G. Meschke Numerical reliability analysis of tunnel face stability with interval and fuzzy soil parameters In H. Huang, J. Li, J. Zhang, and J. Chen, editors, Proceedings of the 6th Asian-Pacific Symposium on Structural Reliability and its Applications (APSSRA 2016), pages 280--285, Shanghai, 2016 |
| [ 34 ] |
A. Alsahly, V. E. Gall, A. Marwan, J. Ninić, G. Meschke, A. Vonthron, and
M. König From building information modeling to real time simulation in mechanized tunneling In Proceedings of the World Tunneling Congress, 2016 |
| [ 35 ] |
Abdullah Alsahly, Carlo Callari, and Günther Meschke A new approach for the shear localization analysis of strong discontinuous fields based on incompatible modes in frictional materials In EUROMECH Colloquium 572, Constitutive Modelling of Soil and Rock, Innsbruck, Austria, 2016 |
| [ 36 ] |
G. Meschke, J. Ninic, S. Freitag, B.T. Cao, A. Alsahly, and V. Gall Predictions of soil-structure interaction in mechanized tunneling and TBM steering support In M. Cvetkovska, editor, Proceedimngs of the 16th International Symposium of Macedonian Association of Structural Engineers (MASE 2015), pages 183--193. Macedonian Association of Structural Engineers, 2015 |
| [ 37 ] |
G. Meschke, A. Alsahly, S. Freitag, J. Ninić, V.E. Gall, and B.T. Cao Simulation based real time prognosis for mechanized tunneling In SEE Tunnel: Promoting Tunneling in SEE Region, Proceedings of the ITA World Tunnel Congress, Dubrovnik, 2015 |
| [ 38 ] |
A. Alsahly and G. Meschke Error-controlled adaptive simulation and numerical assessment of face stability in mechanized tunneling In Computer Methods and Advances in Geomechanics (14IACMAG), Kyoto, Japan, September 2014 |
| [ 39 ] |
A. Alsahly, C. Callari, and G. Meschke A discontinuity tracking algorithm based on assumed enhanced modes In 11th. World Congress on Computational Mechanics (WCCM XI), Barcelona, Spain, July 2014 |
| [ 40 ] |
M. Galli, A Alsahly, T Barciaga, F. Hegemann, C. Koch, K.H. Lehner,
S. Schindler, and G. Meschke Integrated data processing and simulation platform for mechanized tunneling - showcase application on the wehrhahn-lini project in düsseldorf In World Tunneling Congress (WTC 2014), 2014 |
| [ 41 ] |
A. Alsahly, J. Stascheit, and G. Meschke Adaptive computational simulation of tbm-soil interactions during machine-driven tunnel construction in saturated soft soils In Tunneling and Underground Construction, Geoshanghai 2014, pages 769--779. ASCE, 2014 [ DOI ] |
| [ 42 ] |
A. Alsahly, J. Stascheit, and G. Meschke Three dimensional re-meshing for real time modeling of advancing process in mechanized tunneling In J. P. Moitinho de Almeida, P. Díez, C. Tiago, and N. Pares, editors, Adaptive Modeling and Simulation (ADMOS2013), pages 75--88, 2013 |
| [ 43 ] |
A. Alsahly, J. Stascheit, and G. Meschke Computational framework for 3d adaptive simulation of excavation and advancement processes in mechanized tunneling In G. Meschke, J. Eberhardsteiner, K. Soga, T. Schanz, and M. Thewes, editors, Computational Methods in Tunneling and Subsurface Engineering (EURO:TUN 2013), pages 85--96, 2013 |
| [ 44 ] |
G. Meschke, A. Alsahly, J. Ninic, and J. Stascheit Parallelized simulations of advancement processes and soil-structure interactions in mechanized tunneling In Third International Symposium on Computational Mechanics (ISCM III), Taipei, Taiwan, December 2011 |