000K utf8 1100 2025$c2025-02-16 1500 eng 2050 urn:nbn:de:gbv:wim2-dbt-68227-3 2051 10.25643/dbt.68227 3000 Bendalla, Abdulmagid Sedig Khalafallah 4000 Nonlinear Analysis Models for the Static and Dynamic Behaviour of Structural Cables$hBauhaus-Universität Weimar [Bendalla, Abdulmagid Sedig Khalafallah] 4030 Weimar$nBauhaus-Universität Weimar 4060 193 Seiten 4209 Cables are integral to the structural stability of cable-supported structures, emphasising the need for improving assessment models in evaluating the structural condition of cable-supported structures. This work aims at enhancing the systematisation of cable models, and focuses on the analysis and system identification of cables with nonlinear geometry and complex physical-mechanical interactions. It employs a modelling framework approach, utilising inverse analyses and parametric application of the Finite Element Method to evaluate cable behaviour. Following a discussion on assumptions, limitations, and applications of existing cable models, a categorised classification system is proposed. Two case studies are then presented, highlighting the influence of geometry, loading conditions, and bending stiffness on the cable contact point within supports. The introduction of a novel saddled cable model employs an efficient Finite Element framework to explore the impact of changing contact points on suspended cables and external tendons with curved deviators. Comparisons with modal properties obtained from on-site vibration measurements of an external tendon result in accurate tension force identification. Detailed descriptions of the effects of curved deviators on dynamic behaviour follow. Acknowledging that contact point identification significantly depends on bending stiffness and local interactions between cable wires, an investigation into the effects of inter-wire friction is conducted. The model, incorporating stored interlock cohesion between cable wires, demonstrates high accuracy compared to experimental data under varying tension forces. Throughout the discussions, comparisons with experiments, previous studies, and analytical solutions are provided. This work suggests that Finite Element frameworks could be developed into a parametric toolbox for cable analyses, showcasing the adaptability of the models in practical applications. 4950 https://doi.org/10.25643/dbt.68227$xR$3Volltext$534 4950 https://nbn-resolving.org/urn:nbn:de:gbv:wim2-dbt-68227-3$xR$3Volltext$534 4961 https://www.db-thueringen.de/receive/dbt_mods_00068227 5051 624 5550 Bending stiffness 5550 Cable analysis 5550 Curved supports 5550 FE modelling 5550 Geometric stiffness 5550 Model classification 5550 Reibungsschwingung 5550 System identification