Page 78: of Maritime Reporter Magazine (October 2018)

TECH FILES

C-Job & Accelerated Concept Design

C-Job Naval Architects has implemented a new method to optimize ship designs. The holistic optimization method allows for quick design iterations, exciting innovations and saves the naval architect a significant amount of time.

C-Job Naval Architects is the largest different combinations of the decision Because it is impossible for a naval ar- Leiden Institute of Advanced Computer independent ship design and engineer- variables. Aspects that can be improved chitect to consider all the dependencies Science. Because CEGO is very ef? - ing company in the Netherlands. The for example are total cost of ownership between the decision variables, the con- cient and is able to model the optimiza- company employs over 130 in-house and environmental impact. The soft- straints and the objectives, the optimiza- tion criteria and the constraints, it suit- maritime engineers and naval architects ware optimizes the concept design by tion process is guided by an optimiza- able for optimization of ships. By using in four of? ces and specializes in differ- changing the hull shape, geometry and tion algorithm. The algorithm used at the optimization algorithm, the human ent sectors including dredging, heavy compartmentation. It does this in such C-Job is CEGO (Constrained Ef? cient is taken out of the loop which saves a lift, offshore (wind), ferries and su- a way that the design still complies with Global Optimization). CEGO is devel- great deal of repetitive work and allows peryachts. From the ? rst concept vessel all requirements imposed by physics, oped by C-Job’s data scientist Roy de the algorithm to come up with exciting design, through the basic and detailed the regulating authorities and the client. Winter in close collaboration with the innovations.

engineering packages, C-Job’s naval The result of the optimization pro-

Figure 1 architects aim to produce innova- cess is a collection of optimized de- tive and sustainable solutions for the sign variations. The collection typi- global maritime industry. cally consists of multiple optimal

Instead of the classic design spiral, designs. Where one design might be

C-Job has implemented a new way of cheaper to build but more expensive to working in the concept design phase: operate while the other design might

The Accelerated Design methodol- be more expensive to build but less ogy. This new holistic ship design expensive to operate. In consultation method considers all ship design as- with the client, one of the optimized pects simultaneously, which is possi- designs is chosen. For the chosen de- ble as every aspect of the design circle sign, the general arrangement, hull, (See Figure 1) has been automated at geometry and the compartmentation

C-Job. The automated design circle are drawn in more detail. This more gives the company the possibility to detailed design can then be used for optimize any concept design. the next stage in ship development.

The optimization process can start For more information on Accelerated after a naval architect has created Concept Design, email info@c-job.

and parameterized a concept design com. For more information on C-Job, (See ? gure 2). The software then tries please visit www.c-job.com

Figure 2

Images: C-Job Naval Architechts 78 Maritime Reporter & Engineering News • OCTOBER 2018

MR #10 (74-81).indd 78 MR #10 (74-81).indd 78 10/5/2018 11:19:32 AM10/5/2018 11:19:32 AM