Open CASCADE Delivers the First Installment of a New Module for RINA's Ship Classification

On schedule for completion in December, the LH3D-3H project represents 2000 man/days of development and will allow fast, high-quality analysis of transport vessel structure

In continuation of the Leonardo Hull 3D (LH3D) Project, RINA, an internationally known ship classification company based in Genoa, Italy, has accepted on-time delivery of the first intermediate version of a new software module incorporating Open CASCADE software development components. This new module, named LH3D-3H, allows generating simplified finite element meshes for the structural analysis of tankers, bulk carriers and chemical tankers. It ensures rapid numerical simulation that meets quality requirements and represents a highly efficient replacement of older software.

According to Sauro Gazzoli, New Products and Research Department Manager for RINA, "We rely on Open CASCADE services to facilitate the evolution of new software tools and reduce application development costs." Since Open CASCADE components are available in Open Source, users invest only in services and are able to maintain total control of the development process and the software code.

LH3D-3H allows RINA to speed the approval process and benefits shipyards by providing an easy-to-use tool for validating their 3D models well before production begins. In addition, ship owners will be able to monitor structural performance over the entire life cycle of a vessel and anticipate maintenance support, crucial, for example, in avoiding the disastrous consequences of large-scale oil spills.

The "3H" in LH3D-3H refers to analysis using a "three hold" approach, based on calculations carried out on three ship holds. Calculations follow RINA Rules for the Classification of Ships and assess the ship's structural compliance to these Rules.

The present version of LH3D-3H works on an imported 3D model in the MSC-NASTRAN� format that represents a coarse mesh of the three holds. The analyst preprocesses the model by adding element properties, such as material, position and stiffeners, and defining the loads to be applied for testing structural resistance. Open CASCADE components provide the graphical interface that enables reading, visualizing and preprocessing the model. Once preprocessing is completed, the enriched data is sent to a NASTRAN solver for calculation and final visualization of results.

Founded in 1861, RINA is one of the world's oldest ship classification companies. Throughout its long history, its mission has been the protection of human life, environment and property. Thanks to its technological know-how and highly skilled personnel, RINA has always been a key element in the economic development of the region in which it operates.

Today, RINA offers an extensive range of services, from ship classification through management system certification to advanced services for industry.

RINA is a member of IACS, CISQ, and IQNet and participates in the following organisms and associations: IMO, various European Union commissions, INTERTANKO, INTERCARGO and BIMCO.

For details, see

Open CASCADE is a software services company that proposes trade-specific solutions and the integration of numerical simulation software with the goal of optimizing company know-how and in-house codes.

Open CASCADE provides turnkey application development and a broad range of services based on an innovative open-source approach. These services include consulting, technical assistance, training and project expertise and aim to bring about the optimal implementation of the user's development project.

Open CASCADE relies on an international team of highly skilled engineers with proven competence in many technical software development areas: software architecture, application data strategy, programming of a variety of operating systems, graphic user interface, data exchange interfaces, 3D geometric modeling, meshing, management of physical properties, visualization applied to numerical simulation.

Open CASCADE provides thorough competence in modern development technologies, such as Java, C++, JSP, PYTHON, TCL, CORBA, XML, Qt, pyQt, VTK, UML, PHP, SWIG and HDF.

Located in Europe, Asia and North America, Open CASCADE customers include important industrial companies, software editors and research organisms, such as Alcatel Space (space systems), BMW (automotive), Bureau V鲩tas and RINA (ship certification), CEA (nuclear), EADS (aerospace), Mitutoyo (co-ordinate measuring machines) and Usinor (steel).

For further details, see: and

Open CASCADE press contact:
Barbara Alvarado
Tel.: +(33-1) 69 82 24 59
Fax: +(33-1) 69 82 24 02
E-mail: Email Contact

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