Harmonized CSR-Compliant Ship Design Support Software ClassNK released a new version of its of new challenges for shipyards and de-PrimeShip-HULL (HCSR) ship design signers. support software that is fully compliant It was in order to address those chal-with the new IACS Common Structural lenges and reduce the manpower and Rules (harmonized CSR) for oil tankers cost burdens on yards and designers that and bulk carriers. The new ship design ClassNK began development of its new support software is reported to be the design support software.? rst in the world to fully support the new The result of more than four years Common Structural Rules, which were of comprehensive development work, adopted by IACS in December 2013. As PrimeShip-HULL (HCSR) builds on the part of its work to support the develop- core of ClassNK’s existing PrimeShip-ment of safer ships, ClassNK is provid- HULL-CSR software, combining rule ing the software free of charge to its cus- calculation and FE Model-based direct tomers such as shipyards and designers strength calculation, software with com-around the world. pletely new systems designed to inter-The new IACS CSR not only unify and face directly with commercial CAD and harmonize the technical requirements of rule calculation software, as well as au-ClassNK releases a new version of its PrimeShip-HULL (HCSR) ship design support software that is fully compliant with the new IACS Common Structural Rulesthe existing Common Structural Rules tomate parts of the basic design process. (CSR) for tankers and bulk carriers, but Thanks to the new interface with also incorporate new requirements for commercial CAD, PrimeShip-HULL comprehensive structural analysis at the (HCSR) makes it possible to automati-design stage, including FEM analyses cally generate FE models for the fore, covering the entire range of cargo hold mid and aft sections of the ship, as well as structures, as well as new formulae for very ? ne mesh and buckling panel data. buckling, fatigue, and residual strength In addition, PrimeShip-HULL (HCSR) criteria to enhance safety and reliability. includes a number of features to support The new rules will be applied to all bulk both initial and full ship design, making carriers larger than 90m and all oil tank- it possible for shipyards and designers to ers over 150m contracted on and after rapidly carry out case studies of potential July 1, 2015. Although the harmonized designs, as well as optimize their designs CSR represents a major step forward for in accordance with the harmonized CSR. E: dhd@classnk.or.jpship safety, they also present a number www.marinelink.com 25MR #3 (18-25).indd 25 MR #3 (18-25).indd 25 3/4/2014 4:51:54 PM3/4/2014 4:51:54 PM