• 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 ...
• 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 ...
• 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 ...
• 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, J.; Liebisch, S.; Schlurmann, T. (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 ...
• Large-scale experiments to improve monopile scour protection design adapted to climate change—the PROTEUS project 

  Chavez, C.E.A.; Stratigaki, V.; Wu, M.; Schendel, A.; Welzel, M.; Villanueva, R.; Schlurmann, T.; De Vos L.,; Pinto, F.T.; Fazeres-Ferradosa, T.; Santos, P.R.; Baelus, L.; Szengel, V.; Bolle, A.; Whitehouse, R.; Todd, D.; Troch, P.; Kisacik, D. (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 ...
• 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 ...
• A Gravimetric Support Network for Very Long Baseline Atom Interferometry 

  Schilling, Manuel; Wodey, Étienne; Timmen, Ludger; Tell, Dorothee; Zipfel, Klaus; Rasel, Ernst Maria; Müller, Jürgen (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

  With the introduction of portable atom interferometers (AI), a genuinely independent method for the determination of g is available for the first time since the introduction of laser interferometer based instruments. Current ...
• Transmissibility-based monitoring and combination of damage feature decisions within a holistic structural health monitoring framework 

  Tsiapoki, Stavroula (Hannover : Institut für Statik und Dynamik, Leibniz Universität Hannover, 2018)

  Over the past forty years, intensive research has been carried out in the field of structural health monitoring (SHM), since the identification of damage at an early stage contributes to avoiding structural failure and ...
• Konzept und Analyse von Codephasenvatiationen für Multi-GNSS-Signale 

  Breva, Yannick; Kröger, Johannes; Kersten, Tobias; Schöne, Steffen (Stuttgart : Frontiers of Geodetic Science, 2019-09-19)

  Für hochpräzise GNSS-Anwendungen sind Trägerphasenmessungen unabdingbar. Bei solchen Messungen ist es notwendig die individuellen Antennenphasenzentrumskorrekturen (PCC) zu berücksichtigen. Ähnliche Korrekturen existieren ...
• Bestimmung und Validierung von Phasenzentrumskorrektionen für Multi-GNSS-Signale 

  Kröger, Johannes; Breva, Yannick; Kersten, Tobias; Kersten, Tobias; Schön, Steffen (Stuttgart : Frontiers of Geodetic Science, 2019-09-17)

  Eine genaue Positionsbestimmung mittels GNSS basiert auf einem präzisen Signalempfang. Im Falle von Trägerphasenmessung stellt ein gleichförmiger Kugelstrahler eine ideale Empfängerantenne dar. Abweichungen von dieser ...
• Simulation studies to evaluate the impact of receiver clock modelling in flight navigation 

  Jain, Ankit; Schön, Steffen (Stuttgart : Frontiers of Geodetic Science, 2019-09-17)

  GNSS based positioning and navigation always require perfect synchronization between the receiver and satellites clock. Further, due to the limited frequency stability of the GNSS receiver’s internal oscillator, an additional ...
• Assessment of a standard ULS design procedure for offshore wind turbine sub-structures 

  Hübler, Clemens; Gebhardt, Cristian G.; Rolfes, Raimund (Bristol : Institute of Physics Publishing, 2018)

  Sub-structures of offshore wind turbines are designed according to several design load cases (DLCs) that cover various fatigue (FLS) and ultimate limit states (ULS). The required DLCs are given in the current standards, ...
• Determination of Phase Center Corrections for Galileo Signals 

  Kröger, Johannes; Breva, Yannick; Kersten, Tobias; Schön, Steffen (Zürich : European Space Agency (ESA) and ETH Zürich, 2019-09-04)

  GNSS are widely used for positioning, navigation and timing (PVT). The quality of results depends on the antenna in use and the capability to take antenna specific effects into account. The most prominent corrections are ...
• Multiresolution wavelet analysis applied to GRACE range-rate residuals 

  Behzadpour, Saniya; Mayer-Gürr, Torsten; Flury, Jakob; Klinger, Beate; Goswami, Sujata (Göttingen : Copernicus, 2019-08-15)

  For further improvements of gravity field mod- els based on Gravity Recovery and Climate Experiment (GRACE) observations, it is necessary to identify the error sources within the recovery process. Observation residuals ...
• Estimation and validation of receiver antenna codephase variations for multi GNSS signals 

  Breva, Yannick; Kröger, Johannes; Kersten, Tobias; Schön, Steffen (Zürich : European Space Agency (ESA) and ETH Zürich, 2019-09-04)

  Besides antenna phase center corrections (PCC) for carrier phase measurements, which have to be considered for precise GNSS application, also codephase variations (CPV) exist. These are antenna dependent delays of the code ...
• Influence of convex and concave curvatures in a coastal dike line on wave run-up 

  Subramaniam, Suba Periyal; Scheres, Babette; Schilling, Malte; Liebisch, Sven; Kerpen, Nils B.; Schlurmann, Torsten; Altomare, Corrado; Schüttrumpf, Holger (Basel : MDPI AG, 2019)

  Due to climatic change and the increased usage of coastal areas, there is an increasing risk of dike failures along the coasts worldwide. Wave run-up plays a key role in the planning and design of a coastal structure. ...
• Global-local progressive failure analysis of composite panels including skin-stringer debonding and intralaminar damage 

  Akterskaia, Margarita (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2019)

  An increasing application of fibre-reinforced composites in aircraft and aerospace engineering contributed to the rise of development of highly effective numerical tools. On the one hand, computational simulations help to ...
• UHPC sandwich structures with composite coating under compressive load 

  Markowski, Jan; Lohaus, Ludger (Prag : Czech Technical University in Prague - Central Library, 2016)

  Ultra-high-performance concrete (UHPC) sandwich structures with composite coating serve as multipurpose load-bearing elements. The UHPC’s extraordinary compressive strength is used in a multi-material construction element, ...
• Statistical approaches for assessment of climate change impacts on low flows: temporal aspects 

  Fangmann, Anne; Haberlandt, Uwe (Göttingen : Copernicus GmbH, 2019)

  The characteristics of low flow periods, especially regarding their low temporal dynamics, suggest that estimation of metrics related to these periods may be carried out using simplified statistical model approaches that ...

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