• Estimating Groundwater Recharge in Fully Integrated pde-Based Hydrological Models 

  Waldowski, Bastian; Sánchez‐León, Emilio; Cirpka, Olaf A.; Brandhorst, Natascha; Hendricks Franssen, Harrie‐Jan; Neuweiler, Insa ([New York] : Wiley, 2023)

  Groundwater recharge is the main forcing of regional groundwater flow. In traditional partial-differential-equation (pde)-based models that treat aquifers as separate compartments, groundwater recharge needs to be defined ...
• Impact of parameter updates on soil moisture assimilation in a 3D heterogeneous hillslope model 

  Brandhorst, Natascha; Neuweiler, Insa (Munich : EGU, 2023)

  Variably saturated subsurface flow models require knowledge of the soil hydraulic parameters. However, the determination of these parameters in heterogeneous soils is not easily feasible and subject to large uncertainties. ...
• Equation governing the probability density evolution of multi-dimensional linear fractional differential systems subject to Gaussian white noise 

  Luo, Yi; Lyu, Meng-Ze; Chen, Jian-Bing; Spanos, Pol D. (College Park, Md : [Verlag nicht ermittelbar], 2023)

  Stochastic fractional differential systems are important and useful in the mathematics, physics, and engineering fields. However, the determination of their probabilistic responses is difficult due to their non-Markovian ...
• Agrimonia: a dataset on livestock, meteorology and air quality in the Lombardy region, Italy 

  Fassò, Alessandro; Rodeschini, Jacopo; Moro, Alessandro Fusta; Shaboviq, Qendrim; Maranzano, Paolo; Cameletti, Michela; Finazzi, Francesco; Golini, Natalia; Ignaccolo, Rosaria; Otto, Philipp (London : Nature Publ. Group, 2023)

  The air in the Lombardy region, Italy, is one of the most polluted in Europe because of limited air circulation and high emission levels. There is a large scientific consensus that the agricultural sector has a significant ...
• Fatigue strengthening of damaged steel members using wire arc additive manufacturing 

  Ghafoori, E.; Dahaghin, H.; Diao, C.; Pichler, N.; Li, L.; Mohri, M.; Ding, J.; Ganguly, S.; Williams, S. (Amsterdam [u.a.] : Elsevier Science, 2023)

  In this study, a directed energy deposition (DED) process called wire arc additive manufacturing (WAAM) is employed for the fatigue strengthening of damaged steel members. Three steel specimens with central cracks were ...
• 8-MW wind turbine tower computational shell buckling benchmark. Part 1: An international ‘round-robin’ exercise 

  Sadowski, Adam J.; Seidel, Marc; Al-Lawati, Hussain; Azizi, Esmaeil; Balscheit, Hagen; Böhm, Manuela; Chen, Lei; van Dijk, Ingmar; Doerich-Stavridis, Cornelia; Fajuyitan, Oluwole Kunle; Filippidis, Achilleas; Fischer, Astrid Winther; Fischer, Claas; Gerasimidis, Simos; Karampour, Hassan; Kathirkamanathan, Lijithan; Marten, Frithjof; Mihara, Yasuko; Mishra, Shashank; Sakharov, Volodymyr; Shahini, Amela; Subramanian, Saravanan; Topkaya, Cem; Wagner, Heinz Norbert Ronald; Wang, Jianze; Wang, Jie; Yadav, Kshitij Kumar; Yun, Xiang; Zhang, Pan (Oxford [u.a.] : Elsevier Science, 2023)

  An assessment of the elastic-plastic buckling limit state for multi-strake wind turbine support towers poses a particular challenge for the modern finite element analyst, who must competently navigate numerous modelling ...
• Debonding model for nonlinear Fe-SMA strips bonded with nonlinear adhesives 

  Li, Lingzhen; Chatzi, Eleni; Ghafoori, Elyas (Kidlington : Elsevier Science, 2023)

  The application of adhesively-bonded joints for strengthening of structures using iron-based shape memory alloys (Fe-SMAs) has recently emerged in construction. Fe-SMAs and the majority of structural adhesives exhibit a ...
• Antennenspezifische Effekte - ein aktueller Überblick 

  Schön, Steffen; Kröger, Johannes; Kersten, Tobias; Breva, Yannick (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023-09)

  Antennen sind das erste Element der Verarbeitungskette von GNSS-Signalen. Sie bestehen aus einem Antennenelement mit unterschiedlichem Gewinn für verschiedene Elevations- und Azimutbereiche und Signalpolarisationen, ...
• Long-term shoreline changes at large spatial scales at the Baltic Sea: remote-sensing based assessment and potential drivers 

  Tiede, Jan; Jordan, Christian; Moghimi, Armin; Schlurmann, Torsten (Lausanne : Frontiers Media, 2023)

  In this study, we demonstrate how freely available satellite images can be used to understand large-scale coastline developments along the coast of Mecklenburg-Western Pomerania (MWP). By validating the resulting dataset ...
• Using Stormwater in a Sponge City as a New Wing of Urban Water Supply—A Case Study 

  Köster, Stephan; Hadler, Greta; Opitz, Lea; Thoms, Anna (Basel : MDPI, 2023)

  Rapid and even disruptive innovations are needed to make cities fit for the future. The particular challenge will be to transform existing urban spaces in order to increase climate resilience. Along these lines, rainwater ...
• Antarctic Time-Variable Regional Gravity Field Model Derived from Satellite Line-of-Sight Gravity Differences and Spherical Cap Harmonic Analysis 

  Feizi, Mohsen; Raoofian Naeeni, Mehdi; Flury, Jakob (Basel : MDPI, 2023)

  This study focuses on the development of a time-variable regional geo-potential model for Antarctica using the spherical cap harmonic analysis (SCHA) basis functions. The model is derived from line-of-sight gravity difference ...
• Deammonification Potential of Pig Slurries and Vapor Condensates from Sewage Sludge Drying—Substrate Quality and Inhibition 

  Reiter, Johannes; Beier, Maike (Basel : MDPI, 2023)

  Deammonification is a well-established process for sludge liquor treatment and promising for wastewaters with high nitrogen loads because of its low energy demand compared to nitrification/denitrification. Two wastewaters ...
• Low-regret climate change adaptation in coastal megacities – evaluating large-scale flood protection and small-scale rainwater detention measures for Ho Chi Minh City, Vietnam 

  Scheiber, Leon; David, Christoph Gabriel; Hoballah Jalloul, Mazen; Visscher, Jan; Nguyen, Hong Quan; Leitold, Roxana; Revilla Diez, Javier; Schlurmann, Torsten (Katlenburg-Lindau : European Geophysical Society, 2023)

  Urban flooding is a major challenge for many megacities in low-elevation coastal zones (LECZs), especially in Southeast Asia. In these regions, the effects of environmental stressors overlap with rapid urbanization, which ...
• PROVER-M: A simple model to project the disposal of fine sediments 

  Gundlach, Jannek; Behnke, Maximilian; Jordan, Christian (Amsterdam [u.a.] : Elsevier, 2023)

  To improve sediment management strategies in coastal waters, the presented software, PROVER-M, uses a simple near-field model that projects the active distribution of fine sediments after a disposal of dredged material. ...
• QGyro : Schlussbericht zum Verbundvorhaben Quanten-Inertialsensorsystem (QGyro) 

  Schön, Steffen; Abend, Sven; von Hinüber, Edgar; Tennstedt, Benjamin; Weddig, Nicolai B.; Barbey, Philipp; Gersemann, Matthias; Kersten, Tobias; Zou, Yueyang; Rajagopalan, Ashwin; Abidi, Mouine; Löwer, Alexander; Rasel, Ernst M. (Hannover : Leibniz Universität Hannover, Institut für Erdmessung, 2023-09-04)

  Das Verbundvorhaben QGyro (Quanten-Inertialsensorsystem) ist ein Teil der High-Tech-Strategie der Bundesregierung und erhält Finanzierung durch das Bundesministerium für Wirtschaft und Klimaschutz (BMWK) mit Unterstützung ...
• ConsInstancy: learning instance representations for semi-supervised panoptic segmentation of concrete aggregate particles 

  Coenen, Max; Schack, Tobias; Beyer, Dries; Heipke, Christian; Haist, Michael (Heidelberg : Springer, 2022)

  We present a semi-supervised method for panoptic segmentation based on ConsInstancy regularisation, a novel strategy for semi-supervised learning. It leverages completely unlabelled data by enforcing consistency between ...
• Fatigue properties of a structural rotor blade adhesive under axial and torsional loading 

  Kuhn, Michael; Manousides, Nikolas; Antoniou, Alexandros; Balzani, Claudio (Oxford [u.a.] : Wiley-Blackwell, 2023)

  Axial and torsional fatigue tests at different stress ratios were performed on a structural adhesive designed for wind turbine rotor blades. By employing previously optimized specimens, fatigue properties were recorded ...
• Using Least-Squares Residuals to Assess the Stochasticity of Measurements—Example: Terrestrial Laser Scanner and Surface Modeling 

  Kermarrec, Gaël; Schild, Niklas; Hartmann, Jan (Basel : MDPI, 2021)

  Terrestrial laser scanners (TLS) capture a large number of 3D points rapidly, with high precision and spatial resolution. These scanners are used for applications as diverse as modeling architectural or engineering structures, ...
• Bayesian Robust Multivariate Time Series Analysis in Nonlinear Models with Autoregressive and t-Distributed Errors 

  Dorndorf, Alexander; Kargoll, Boris; Paffenholz, Jens-André; Alkhatib, Hamza (Basel : MDPI, 2021)

  Many geodetic measurement data can be modelled as a multivariate time series consisting of a deterministic (“functional”) model describing the trend, and a stochastic model of the correlated noise. These data are also often ...
• Response statistics and failure probability determination of nonlinear stochastic structural dynamical systems 

  Ni, Peihua (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2023)

  Novel approximation techniques are proposed for the analysis and evaluation of nonlinear dynamical systems in the field of stochastic dynamics. Efficient determination of response statistics and reliability estimates for ...

View more