Lloyd’s Register (LR) has added Fatigue Design Assessment (FDA) Level 2 to its ShipRight software.
The tool aims to reduce the risk of fatigue damage in ship’s hull structures. This first release covers new and existing designs of oil tankers and membrane type LNG carriers.
ShipRight FDA Level 2
LR introduced ShipRight FDA procedures in the 90s to promote structural detail design and fatigue performance assessment. The new FDA Level 2 module has now been incorporated in ShipRight to further improve on current technology and make the assessment tool more robust and versatile.
The ShipRight FDA Level 2 module includes the following features:
- New interface for the modelling and fatigue result graphics, compatible with Windows 7 64-bit platform.
- More accurate calculation of ship motions and hydrodynamic loads. This overcomes the existing limitation which is constrained by parametric methods.
- New solver to accurately take into account load component interactions (cargo inertia loads, wave bending moments and wave pressures).
- New features based on users’ feedback and comments, such as five input transverse sections to better describe hull form changes.
- Extensive tests and validations against Lloyd’s Register’s experience on fatigue design assessments.
