Verification by Finite Element Analysis, FEA, of complex machinery
Purpose
For structures with a complex geometry, FEA may give more accurate and reliable results than more simplified methods. FEA may also be used to optimise the design as well as reduce costly testing and verification.
Benefits
Our main fields of expertise are linked to machinery-related components and systems, such as propellers, gears shafts and turbo machinery. DNV has extensive experience of and expertise in conducting FEA on complex machinery structures. In addition, we also have substantial in-house multidisciplinary technical knowledge and experience, which are of major importance for obtaining reliable results. For some types of analysis, such as fatigue life prediction, we use our own metallurgical laboratory to verify the material data and to investigate the root cause of failure modes.
Features
Finite Element Analysis is a suitable tool for predicting of static and dynamic responses, such as stresses, strains and displacements, in complex structures. DNV uses FEA to give advice related to:
Design and design optimisation
Design verification
Troubleshooting
Damage assessments
DNV has a variety of Finite Element Software at its disposal. These packages include ANSYS, I-DEAS, ABAQUS and SESAM. These software packages give DNV both the ability and expertise to carry out linear and non-linear stress analysis in static or dynamic conditions. The Finite Element dynamic analysis includes axial, lateral and torsional vibration analysis.