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editorial


4 The Walrus Class submarine and beyond Report interviews the Commanding Officer of the Dutch Submarine fleet, Captain


Hugo Ammerlaan about the Walrus Class service life extension programme and developments concerning the next generation of submarines.


7 Retaining and developing submarine knowledge Focusing on the vital role played by the Dutch Underwater Knowledge Centre (DUKC).


8 Submarine hydrodynamics - from concept to operations Answering hydrodynamic questions from the concept design stage to at-sea


operational issues.


10 A ‘SUPREME’ conceptual submarine design system Commissioned by the Royal Netherlands Navy, MARIN has developed the SUPREME


conceptual submarine design application to provide 3D modelling capabilities.


11 SUBSIM to SAMSON to XMF – 20 years later and still going strong Since 1986, MARIN has used SUBSIM for predicting the manoeuvring behaviour of submarines. Two decades later it is still an important tool.


12 Cooperative Research Navies tackles dynamic stability How the FREDYN simulation program is an important tool to help navies predict


and validate extreme motions and capsize risk.


13 Assessing the human role in an early design phase Many navy newbuilding projects face a double challenge - the complexity of


operations is increasing and there is a reduction in manning. It is important to identify the right number of crew and the supporting systems needed.


14 The US Coast Guard and MARIN: a long-term link MARIN’s naval activities do not stop at Dutch shores. MARIN has strong relationships


with many international navies and naval shipyards, for example the US Coast Guard.


16 MARIN assists in the design of naval propellers Independent evaluation of the hydrodynamic performance of ship propellers


remains a very popular MARIN service.


18 Why wait for the seventh wave? ‘Salute’ project aims to develop a demonstrator system to anticipate quiescent


periods for helicopter landing operations.


20 Speeding up Landing Craft Is it possible to improve the speed of LCU? Propulsion alternatives and a completely


new LCU design are considered.


22 A standardised L&R system is a step closer with LAURA JIP As missions nowadays are increasingly dominated by operations with small craft


from multifunctional platforms, the LAURA JIP examines L&R systems.


Bas Buchner President


Dear Reader,


‘A smartphone on a selfie stick’ was how the Com- mander of the Royal Netherlands Navy, Lt Gen Rob Verkerk, recently described the new optronic mast of the Walrus Class submarine. It was an innovative description for an innovative tool. The mast replaces the traditional optical periscope with a video system that can quickly scan and store the full 360-degree above water view, which can then be used by the crew afterwards. ‘In the land of the blind, the one-eyed man is no longer king!’ Verkerk concluded with a smile. It was a comment with depth, I discovered later.


Apart from my very first ‘green water’ tests on Dutch S-frigates 25 years ago, I spent most of my technical career in the offshore industry. It was only when I got my present position that the contact with our Royal Navy started again. I thoroughly enjoy the interaction with my new friends in the navy - focused, technically capable people with strong analytical and leadership skills. Based on these contacts my conviction grew that we should bridge the gap between the design and operations of ships. Better still: between designers and operators. This is vital if we want to have effective navy ships for complex operations at sea.


In the Netherlands we cherish the ‘Triple Helix’ between government, research and industry. And this is not for nothing. In our complex world today nobody can have all the knowledge needed to develop innovative and effective ships. And innovation cannot not be enforced top-down. All ‘ranks’ have to be involved. It requires co-operation.


And this brings me back to General Verkerk’s comment that the one-eyed man is no longer king. When I later met him, General Verkerk explained he also meant it philosophically. Military organisations have a tradition to work top-down. The Commander is the (only) one that knows the situation and gives his commands. His message: our present challenges require more eyes and voices. These are wise words - not only for naval operations, but also for the innovations that support them!


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