• Role and Impact of Hydrograph Shape on Tidal Current-Induced Scour in Physical-Modelling Environments 

  Schendel, Alexander; Welzel, Mario; Hildebrandt, Arndt; Schlurmann, Torsten; Hsu, Tai-Wen (Basel : MDPI, 2019)

  For physical model tests, the time-varying characteristics of tidal currents are often simplified by a hydrograph following a shape of a unidirectional current or by resolving the tidal velocity signal into discrete steps ...
• Intelligent crack extraction based on terrestrial laser scanning measurement 

  Yang, Hao; Xu, Xiangyang (Thousand Oaks, CA : SAGE, 2019)

  The hazards of cracks, which could badly decrease reliability and safety of structures, are receiving increasing attention with the popularity of tunnel constructions. Traditional crack inspection relies on visual examination, ...
• Towards Responsible Consolidation of Customary Lands: A Research Synthesis 

  Kwabena, Asiama; Bennett, Rohan; Zevenbergen, Jaap (Basel : MDPI, 2019)

  The use of land consolidation on customary lands has been limited, though land fragmentation persists. Land fragmentation on customary lands has two main causes—the nature of the customary land tenure system, and the ...
• Georeferencing of an Unmanned Aerial System by Means of an Iterated Extended Kalman Filter Using a 3D City Model 

  Bureick, Johannes; Vogel, Sören; Neumann, Ingo; Unger, Jakob; Alkhatib, Hamza (New York, NY : Springer International Publishing, 2019)

  In engineering geodesy, the technical progress leads to various kinds of multi-sensor systems (MSS) capturing the environment. Multi-sensor systems, especially those mounted on unmanned aerial vehicles, subsequently called ...
• How significant are differences obtained by neglecting correlations when testing for deformation: A real case study using bootstrapping with terrestrial laser scanner observations approximated by b-spline surfaces 

  Kermarrec, Gaël; Paffenholz, Jens-André; Alkhatib, Hamza (Basel : MDPI AG, 2019)

  B-spline surfaces possess attractive properties such as a high degree of continuity or the local support of their basis functions. One of the major applications of B-spline surfaces in engineering geodesy is the least-square ...
• Estimating road segments using natural point correspondences of GPS trajectories 

  Leichter, Artem; Werner, Martin (Basel : MDPI AG, 2019)

  This work proposes a fast and straightforward method, called natural point correspondences (NaPoCo), for the extraction of road segment shapes from trajectories of vehicles. The algorithm can be expressed with 20 lines of ...
• Complex hazard cascade culminating in the Anak Krakatau sector collapse 

  Walter, Thomas R.; Haghshenas Haghighi, Mahmud; Schneider, Felix M.; Coppola, Diego; Motagh, Mahdi; Saul, Joachim; Babeyko, Andrey; Dahm, Torsten; Troll, Valentin R.; Tilmann, Frederik; Heimann, Sebastian; Valade, Sebastian; Triyono, Rahmat; Khomarudin, Rokhis; Kartadinata, Nugraha; Laiolo, Marco; Massimetti, Francesco; Gaebler, Peter (London : Nature Publishing Group, 2019)

  Flank instability and sector collapses, which pose major threats, are common on volcanic islands. On 22 Dec 2018, a sector collapse event occurred at Anak Krakatau volcano in the Sunda Strait, triggering a deadly tsunami. ...
• A method to systematically classify design characteristics of sand nourishments 

  Gijsman, Rik; Visscher, Jan; Schlurmann, Torsten (American Society of Civil Engineers (ASCE), 2018)

  The decades of collected monitoring data of coastal profiles in combination with the decades of experience with sand nourishments in the Wadden Sea, forms an invaluable basis to study the inter-site efficiency of sand ...
• An efficient reliability analysis on complex non-repairable systems with common-cause failures 

  Feng, G.; George-Williams, H.; Patelli, E.; Coolen, F.P.A.; Beer, M. (London : Taylor & Francis Group, 2018)

  Common-Cause Failures (CCF) impose severe consequences on a complex system’s reliability and overall performance. A more realistic assessment, therefore, of the survivability of the system requires an adequate consideration ...
• Imprecise reliability analysis of complex interconnected networks 

  Behrensdorf, J.; Broggi, M.; Beer, M. (London : Taylor & Francis Group, 2018)

  The effect of natural and man made disasters on critical infrastructures are substantial, as evident from recent history. Break downs of critical systems such as electrical power grids, water supply networks, communication ...
• Application of fuzzy finite element method in addressing the presence of uncertainties 

  Yusmye, A.Y.N.; Ariffin, A.K.; Abdullah, S.; Singh, S.S.K.; Beer, M. (London : Taylor & Francis Group, 2018)

  This research works is focused on the analysis of Fuzzy Finite-Element Method (FFEM) with the present of uncertainties. In considering a major engineering science problems, like damage processes or loading in consequence ...
• Human reliability analysis—accounting for human actions and external factors through the project life cycle 

  Morais, C.; Moura, R.; Beer, M.; Patelli, E. (London : Taylor & Francis Group, 2018)

  Airplanes, ships, nuclear power plants and chemical production plants (including oil & gas facilities) are examples of industries that depend upon the interaction between operators and machines. Consequently, to assess the ...
• Report on levelling and GNSS results for stations on the MPQ campus in Garching 

  Denker, Heiner; Timmen, Ludger; Völksen, Christof (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019-12-17)

  This technical report describes the levelling and GNSS (Global Navigation Satellite System) results for stations on the MPQ (Max-Planck-Institut für Quantenoptik) campus in Garching, aiming at the derivation of relativistic ...
• Intelligent crack extraction and analysis for tunnel structures with terrestrial laser scanning measurement 

  Xu, Xiangyang; Yang, Hao (Thousand Oaks : SAGE Publications, 2019)

  An automatic and intelligent method for crack detection is significantly important, considering the popularity of large constructions. How to identify the cracks intelligently from massive point cloud data has become ...
• A co-rotational based anisotropic elasto-plastic model for geometrically non-linear analysis of fibre reinforced polymer composites: Formulation and finite element implementation 

  Dean, Aamir; Safdar, Nabeel; Rolfes, Raimund (Basel : MDPI AG, 2019)

  Geometrical non-linearity is one of the aspects to be taken into account for accurate analysis of fibre reinforced polymers (FRPs), since large displacements and rotations may be observed in many of its structural applications ...
• Bayesian network model for flood forecasting based on atmospheric ensemble forecasts 

  Goodarzi, Leila; Banihabib, Mohammad E.; Roozbahani, Abbas; Dietrich, Jörg (Göttingen : Copernicus, 2019)

  The purpose of this study is to propose the Bayesian network (BN) model to estimate flood peaks from atmospheric ensemble forecasts (AEFs). The Weather Research and Forecasting (WRF) model was used to simulate historic ...
• Learning cartographic building generalization with deep convolutional neural networks 

  Feng, Yu; Thiemann, Frank; Sester, Monika (Basel : MDPI AG, 2019)

  Cartographic generalization is a problem, which poses interesting challenges to automation. Whereas plenty of algorithms have been developed for the different sub-problems of generalization (e.g., simplification, displacement, ...
• Development of an outdoor wave basin to conduct long-term model tests with real vegetation for green coastal infrastructures 

  Michalzik, Jochen; Liebisch, Sven; Schlurmann, Torsten (Basel : Molecular Diversity Preservation International (MDPI), 2019)

  The demand for physical model tests with real vegetation is increasing due to the current trend to elucidate the performance and durability of green coastal infrastructures to ensure and promote ecosystem services. To ...
• Volume-based assessment of erosion patterns around a hydrodynamic transparent offshore structure 

  Welzel, Mario; Schendel, Alexander; Schlurmann, Torsten; Hildebrandt, Arndt (Basel : Molecular Diversity Preservation International (MDPI), 2019)

  The present article presents results of a laboratory study on the assessment of erosion patterns around a hydrodynamic transparent offshore foundation exposed to combined waves and currents. The model tests were conducted ...
• Large-scale experiments to improve monopile scour protection design adapted to climate change—the PROTEUS project 

  Chavez, Carlos Emilio Arboleda; Stratigaki, Vasiliki; Wu, Minghao; Troch, Peter; Schendel, Alexander; Welzel, Mario; Villanueva, Raúl; Schlurmann, Torsten; De Vos, Leen; Kisacik, Dogan; Pinto, Francisco Taveira; Fazeres-Ferradosa, Tiago; Santos, Paulo Rosa; Baelus, Leen; Szengel, Viktoria; Bolle, Annelies; Whitehouse, Richard; Todd, David (Basel : Molecular Diversity Preservation International (MDPI), 2019)

  This study aims to improve the design of scour protection around offshore wind turbine monopiles, as well as future-proofing them against the impacts of climate change. A series of large-scale experiments have been performed ...

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