OrcaFlex finds applications in various areas within offshore engineering:
OrcaFlex solves the equations of motion for each node i:
[ m_i \ddot\mathbfr_i = \mathbfF^\texthydro_i + \mathbfF^\textgravity_i + \mathbfF^\textline_i + \mathbfF^\textexternal_i ]
where (\mathbfF^\textline_i) derives from the axial, shear and bending springs connecting node i to its neighbours.
OrcaFlex is a powerful software solution designed for the analysis of offshore systems. Its capabilities include the simulation of dynamic behavior under various environmental conditions, making it an essential tool for engineers and researchers in the field of offshore engineering.
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| Step | Action |
|------|--------|
| 1 | Pre‑processing – identify potential crack locations from inspection data (e.g., ultrasonic NDT). |
| 2 | Model set‑up – generate the baseline OrcaFlex line model (mesh, hydrodynamics, boundary conditions). |
| 3 | Insert UDE – replace the axial spring(s) at the identified locations with CrackElement. |
| 4 | Calibrate – run a short static load case to match measured stiffness and initial crack opening. |
| 5 | Dynamic simulation – execute the full time‑domain analysis (wave spectra, vessel motions). |
| 6 | Post‑processing – extract crack length vs. time, residual tension, and failure probability. |
