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Vredeveldt, A.W. (author), TNO Bouw en Ondergrond (author)
article 2010
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Vredeveldt, A.W. (author)
article 2015
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Antao, P. (author), Hoogeland, M.G. (author), Vredeveldt, A.W. (author), Santos, F.P. (author)
Crewmembers are exposed to high work pressure. Pressure on freight tariffs motivates cost reduction in manning and maintenance, whilst societal developments show decreasing tolerances towards incidents. In conjunction with the developments towards autonomous shipping, the need for continuous and unmanned inspection increases. Considerable...
article 2019
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Vredeveldt, A.W. (author), TNO Bouw (author)
Alex Vredeveldt graduated as naval architect at the Delft University of Téchnology. He was employed by Wilton Fijenoord shipyard in Schiedam The Netherlands. There he- developed- design software related to ships. He also designed the mechanical system of a sub marine simulator. He now works with the Netherlands Organisation for Applied...
article 2001
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Vredeveldt, A.W. (author), TNO Bouw en Ondergrond (author)
article 2010
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Janssen, M.M.H.H. (author), Schipperen, J.H.A. (author), Vredeveldt, A.W. (author)
The crashworthiness of a structure can have a large effect on the area based risk in case of collisions. Typical examples are chemical tankers sailing the European inland waterways and offshore structures at our shores. Therefore, the assessment of crashworthiness is nowadays often included in the design process of such structures. But what if...
article 2012
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Vredeveldt, A.W. (author), TNO Bouw en Ondergrond (author)
article 2010
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Vredeveldt, A.W. (author), Schipperen, J.H.A. (author), Bos, J.E. (author), TNO Bouw (author)
article 2009
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Duijzer, J.H. (author), Kruijt, W.J. (author), van der Mijle Meijer, H.J. (author), Post, W.M. (author), Verbeek, R.P. (author), Vredeveldt, A.W. (author), TNO Bouw en Ondergrond (author)
article 2010
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Ros, J.A. (author), Skylogianni, E. (author), Doedée, V. (author), van den Akker, J.T. (author), Vredeveldt, A.W. (author), Linders, M.J.G. (author), Goetheer, E.L.V. (author), Garcia Moretz-Sohn Monteiro, J. (author)
The International Maritime Organization has set clear objectives towards drastically reducing greenhouse gas emissions the coming decades in the maritime sector. While different ways to reduce emissions are already proposed, these are not expected to generate high CO2 abatement rates (in the case of fuel saving measures) or to be available and...
article 2022
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Vredeveldt, A.W. (author)
The concept of goal based design is gradually gaining a foothold in the IMO regulatory process. This paper demonstrates how this concept can be implemented in a practical way. The demonstrator case is transport of dangerous cargo on Europe's inland water ways. © 2011 Taylor & Francis Group, London.
conference paper 2011
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Hulsbosch-Dam, C.E.C. (author), Atli-Veltin, B. (author), Kamperveen, J. (author), Velthuis, H. (author), Reinders, J.E.A. (author), Spruijt, M.P.N. (author), Vredeveldt, A.W. (author)
Mechanical behaviour of a Liquefied Natural Gas (LNG) tank and the thermodynamic behaviour of its containment under extreme heat load - for instance when subjected to external fire source as might occur during an accident -Are extremely important when addressing safety concerns. In a scenario where external fire is present and consequent release...
conference paper 2017
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Vredeveldt, A.W. (author), Schipperen, J.H.A. (author), Nassár, Q.H.A. (author), Spaans, C.A. (author)
The paper describes how high energy crashworthiness with respect to ship collisions of a jacket can be predicted through explicit finite element analyses. The classical issue of the material models is discussed. In addition the topics of global jacket dynamics and the definition of failure are discussed. The structural arrangement of the jacket...
conference paper 2013
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Dijkstra, O.D. (author), Vredeveldt, A.W. (author), Janssen, G.Th.M. (author), Ortmans, P. (author), TNO Bouw (author)
The paper presents the results of two large scale fatigue tests on a detail of an aluminium surface effect ship. The overall dimensions of the specimens were: length 4.8 m, height 3.2 m and width 1.5 m (equal to the main frame spacing). The specimens consist of an aluminium structure of welded plates (thicknesses up to 20 mm).
conference paper 1998
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Hoogeland, M.G. (author), Vredeveldt, A.W. (author), Leon-Morales, C.F. (author)
Safety of ships and offshore installations is continuously an area of attention for owners, operators and authorities. Standard practice of today requires regular inspections of the hull and machinery. The results of inspections as carried out by various parties may well not be shared amongst each other. This means that enormous amounts of data...
conference paper 2016
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Vredeveldt, A.W. (author), Hoogeland, M. (author), Janssen, G.Th.M. (author), TNO Bouw (author)
The popularity of high-speed craft is steadily increasing. Until now, much attention has been focussed on the hydrodynamic aspects of these craft. The structural design of these vessels is usually considered in a quasi static sense. However, due to the requirement of light ship structures, fast ship tend to be flexible. This flexibility combined...
conference paper 2001
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Broos, E.J. (author), Rhijnsburger, M.P.M. (author), Vredeveldt, A.W. (author), Hoebee, W. (author)
The PIANC ‘Guidelines for the design of fender systems’ MarCom report of WG 33 – 2002 specifies allowable maximum hull pressures for various vessels. Fender manufactures provide maximum hull pressures resulting from their fenders. The stated maximum hull pressures of cylindrical fenders exceed the recommended values by PIANC 2002 for gas...
conference paper 2018
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Haag, S.R. (author), Hoogeland, M.G. (author), Vredeveldt, A.W. (author)
Instantaneous insight into the structural damage sustained by a ship running aground, can be of great aid in the decision making following such a disaster. It should be possible to distil the extent of structural damage from acceleration measurement data of the entire vessel. Such measurements could possibly even be done using a simple...
conference paper 2017
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Stapel, H.W. (author), Vredeveldt, A.W. (author), Journee, J.M.J. (author), de Koning, W. (author), TNO Bouw (author)
After 38 years of satisfactory service the Holland-America line sold her flagship "ss ROTTERDAM". Although promised to Lloyds, studies and tests made during construction on the expansion joints were never published. This PRADS '98 conference is a good occasion to report on these now. Moreover, the behaviour is placed in the light of an fatigue...
conference paper 1998
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Vredeveldt, A.W. (author), TNO Bouw (author)
The ability of ships to survive collision damage can be referred to by the word survivability. Survivability is currently assessed without taking into account crashworthiness of the structure. This implies that the probability of a compartment being flooded does not depend on the surrounding structure. This paper shows that survivability can...
conference paper 2001
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