DNV to explore integrating live CM data in digital twin services
The MoU was signed on 18 September 2023 at DNV’s Asia Pacific Headquarters in Singapore. Brice Le Gallo, Vice President and Regional Director for Energy Systems, APAC, DNV and Niklas Hallgren, CEO at Light Structures were both present at the signing.
The Motorship has previously produced features on Light Structures’ SENSFIB technology, and the extension of its applications from very specialised vessels, such as ARC 130 icebreakers, to Aframax tankers and modern Ro-Ro vessels, reflecting a growing interest in long-term structural monitoring due to the safety and financial benefits it can enable, for instance, by helping to extend the operational lifespan of a ship.
The latest collaboration marks a significant step forward in DNV and Light Structures’ shared vision to advance innovative solutions in structural health monitoring and digital twin technologies capable of improving safety at sea as well as unlocking new operational efficiencies with the potential to reduce asset lifecycle maintenance costs.
Fibre Bragg Grating (FBG) technology
Light Structures offers specialised structural stress monitoring using fibre optics and Fiber Bragg Grating technology (FBG). a solution that delivers more accurate data while reducing cost and complexity when compared to less resilient electro-mechanical systems. As previously reported, the system relies on mechanical pressures affecting a segment of optical fibre. The ‘grating’ within the fibre is a pattern in the core that changes the wavelengths that are transmitted or reflected back.
Despite the sophistication of the technology, the SENSFIB sensors are also robust. Installation can be completed using a powerful adhesive, negating the need for any welding, while the absence of moving parts eliminates the requirement for an annual recalibration, which further distinguishes the solution from competing systems.
Under the MoU, DNV and Light Structures plan to collaborate on diverse areas including customer requested project and solution design, modelling, hydrodynamic analysis, hybrid twin databases, interfacing, instrumentation, installation and commissioning, and co-marketing activities.
“Our collaboration with Light Structures unlocks the potential to boost digital twin fidelity, resulting in new levels of operational insight for our engineers and customers,” said Brice Le Gallo, Vice President and Regional Director for Energy Systems, APAC, DNV.
“Digitalisation in the maritime sector has streamlined our ability to widen the scope of applications that structural integrity data can benefit, so we are looking forward to exploring new workstreams and project implementations through our work with DNV,” said Niklas Hallgren, CEO, Light Structures.
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