Blar i Institutt for havromsoperasjoner og byggteknikk på forfatter "Ehlers, Sören"
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A method for estimation of equivalent-volume ice thickness based on WMO egg code in absence of ridging parameters
Milakovic, Aleksandar-Sasa; Schütz, Peter; Piehl, Henry Peter; Ehlers, Sören (Journal article; Peer reviewed, 2018)When calculating equivalent-volume ice thickness along a vessel's projected route for the purpose of ice resistance estimation, information on both undeformed ice (level ice) and deformed ice (mainly ridges) is needed. ... -
An Object-Oriented Modeling Approach to Virtual Prototyping of Marine Operation Systems Based on Functional Mock-Up Interface Co-Simulation
Chu, Yingguang; Hatledal, Lars Ivar; Æsøy, Vilmar; Ehlers, Sören; Zhang, Houxiang (Journal article; Peer reviewed, 2018)This paper presents an object-oriented modeling (OOM) approach to model development of marine operation systems, specifically the hydraulic systems of marine cranes. Benefited from the rapid development of computation ... -
Integrated multi-domain system modelling and simulation for offshore crane operations
Chu, Yingguang; Æsøy, Vilmar; Ehlers, Sören; Zhang, Houxiang (Journal article; Peer reviewed, 2015)Advanced offshore machinery, such as an offshore crane, usually involves several energy domains. Modelling and simulation of multi-domain systems is challenging because of not only the complexity in modelling of the related ... -
Parametric Structural Analysis for a Platform Supply Vessel at Preliminary Design Phase - A Sensitivity Study via Design of Experiments.
Lande Andrade, Sthefano (Master thesis, 2016)Parametric structural design analysis is a promising alternative to diminish the hull's structural mass, resulting in a vessel with higher payload capacity as well as lower construction and maintenance costs. The challenge ... -
Virtual prototyping for maritime crane design and operations
Chu, Yingguang; Hatledal, Lars Ivar; Zhang, Houxiang; Æsøy, Vilmar; Ehlers, Sören (Journal article; Peer reviewed, 2018)This paper presents the implementation of the virtual prototyping system for maritime crane design and operations. The study is designed to bridge the following gaps in maritime crane system simulations. First, the virtual ...