Geometry at the Heart

Christian Veldhuis
Tuesday, September 10, 2013
Christian Veldhuis is project manager at the Ships department of MARIN, the Maritime Research Institute Netherlands.

Computational geometry is at the heart of much of MARIN’s day-to-day business

Computational geometry is at the heart of much of MARIN’s day-to-day business, which includes the hull, appendages and propulsion design and optimization, to the milling of models and detailed CFD calculations. And computational geometry is also set to play a key role in longer-term research and development carried out by MARIN, its clients and partners.
In 2012, MARIN started a new, long-term project to update and expand its geometry capabilities for hulls, appendages and propellers. The aim is to enable designers, CAD and CFD users to model and optimize their designs effectively and interface them with the outside world: from geometry input to analysis, (CFD) calculations and model production.

New propulsion design tools

New tools were developed to design propellers and to generate suitable propeller geometry for panel and RANS codes. First, the well-known Rhinoceros 3D modelling suite was selected as the basis for the new CAD tools. Because Rhino has a lot of out-of-the-box  features, MARIN could focus on adding value and MARIN-specific functionality. MARIN was able to develop multiple plug-ins for Rhino that are capable of reading and writing various propeller formats, showing the geometry on the screen and enabling the designer to manipulate the propeller design. Accurate representations of propeller geometry could then be generated for detailed calculations using MARIN’s unstructured and unsteady  RANS code ReFRESCO.

Hull lines

MARIN’s existing hull lines’ design tool “Geometry Modelling of Ships” (GMS), which has been in development for over 20 years, will also get a complete overhaul. Over the coming months and years, more and more functionality will be re-implemented and expanded as Rhino plug-ins using the current capabilities in GMS as a basis. Hull fairing, as applied in GMS, is one of these unique design capabilities that allow MARIN to design hundreds of hulls a year. There are simply no other tools available that give a designer such speed when drawing and fairing a hull. The existing knowledge and methods will be preserved in the new tools but further expanded with new, even more efficient hull drawing and fairing functionality.


Christian Veldhuis
is project manager at the Ships department of MARIN, the Maritime Research Institute Netherlands. MARIN offers simulation, model testing, full-scale measurements and training programs, to the shipbuilding and offshore industry and governments.
e: c.veldhuis@marin.nl • www.marin.nl

(As published in the August 2013 edition of Maritime Reporter & Engineering News - www.marinelink.com)

Maritime Reporter May 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

People & Company News

Matson Completes Horizon Lines Acquisition

Matson, Inc. has completed the acquisition of Horizon Lines, Inc. which includes Horizon's Alaska operations and the assumption of all non-Hawaii business liabilities.

Wärtsilä Acquires L-3 MSI

Wärtsilä completes acquisition of L-3 Marine Systems International    Wärtsilä Corporation announced that its acquisition of the Germany based L-3 Marine Systems

BWTS Newcomer Sees Early Success

Norwegian manufacturer of ballast water treatment systems MMC Green Technology reports it has sold more than 70 systems since going commercial with its MMC BWMS two years ago,

Shipbuilding

New Power Optimization Solution for LNG Carriers

NAPA and DSME launch tailored NAPA-DSME Power Solution for LNG carriers; leading LNG carrier shipyard offers specialized performance monitoring solution   South Korean shipbuilder,

BWTS Newcomer Sees Early Success

Norwegian manufacturer of ballast water treatment systems MMC Green Technology reports it has sold more than 70 systems since going commercial with its MMC BWMS two years ago,

Design & Operation: Wind Farm Support Vessels

Offshore wind farm development has been led globally by the UK, followed by Germany. Both countries have governments with long term commitments to renewable energy.

Naval Architecture

Kongsberg Contracted to Support FLNG Conversion

Kongsberg Maritime secures position in the LNG market with electrical and automation contract for Golar Hilli FLNG   Keppel Shipyard in Singapore and Black & Veatch in the U.

Design & Operation: Wind Farm Support Vessels

Offshore wind farm development has been led globally by the UK, followed by Germany. Both countries have governments with long term commitments to renewable energy.

Crowley’s 2nd LNG ConRo Ship Ahead of Schedule

Shipbuilder VT Halter Marine, Inc. announced construction has started early for the second liquefied natural gas (LNG)-powered ConRo ship, Taíno, for Crowley Holdings, Inc.

Software Solutions

New Power Optimization Solution for LNG Carriers

NAPA and DSME launch tailored NAPA-DSME Power Solution for LNG carriers; leading LNG carrier shipyard offers specialized performance monitoring solution   South Korean shipbuilder,

IRS Moves Closer to Tokyo MOU's High Performers

The Tokyo Memorandum of Understanding has positioned the International Register of Shipping (IRS) closer to the higher ranking achievers on its performance list,

SENER holds a FORAN seminar in Wuhan, China

The ‘FORAN new modules, new functions and FEM-Link (Hypermesh) Seminar’ was held on April 23rd in Wuhan. SENER is playing a big role in China, where it has been

 
 
Maritime Careers / Shipboard Positions Maritime Security Naval Architecture Offshore Oil Port Authority Salvage Ship Electronics Ship Repair Sonar Winch
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1586 sec (6 req/sec)