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The latest release of OrcaFlex 11.0 is OrcaFlex 11.0f.
The new features introduced in OrcaFlex 11.0 can be viewed online in the OrcaFlex help file. The OrcaFlex 11.0 help file can also be downloaded:
To upgrade to OrcaFlex 11.0f from 11.0c, 11.0d or 11.0e, download the following ZIP file:
and execute the .msp patch file that it contains.
To upgrade to OrcaFlex 11.0f from 11.0a or 11.0b, download the following ZIP file:
and execute the .msp patch file that it contains.
To upgrade to OrcaFlex 11.0f from 10.3 or earlier, download the install program from your company’s Orcina software download page. A link to this page was sent to your software administration contact when we released 11.0a. If you do not have access to this page, please contact us.
A more in depth discussion of the major new features introduced in OrcaFlex 11.0 is available in the news section.
Known bugs in version 11.0f
OrcaFlex
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Excel 2019 and Office 365 could sometimes crash when using the OrcaFlex spreadsheet.
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This bug will be fixed in version 11.0g.
OrcaWave
The potential load component of full QTFs may have been incorrect for bodies with a reflected waterline, specifically a waterline that is entirely on one side of a global symmetry plane (and thus reflected in its entirety on the other side). For example, the waterline around one leg of a symmetric tension-leg platform. Models whose waterlines intersect a symmetry plane, and models without any symmetry plane, are unaffected.
This bug will be fixed in version 11.0g.
OrcaFlex
- For models containing a line with a nonlinear stress-strain relationship and an additional bending stiffness, if the solution method had changed from frequency domain to time domain, then running statics would fail with an invalid floating point operation error.
- OrcaFlex would fail to solve statics, presenting a floating point exception on the statics progress window, when line contact was applied to a stiffener attachment line without torsion included.
- Turbine models using the specified torque generator control mode with free blade DOFs and very stiff segments at root, could fail to converge once the generator had undergone a large number of rotations. The solver has now been adapted to be more robust to such cases.
- Rayleigh damping effects were not being included in the connection and total loads on the summary results spreadsheets for vessels and lines.
- Using the analytic catenary line reset representation for lines with free top ends could have affected the subsequent calculation by changing the effective initial position of the top end. This discrepancy was generally very small and did not usually lead to any noticeable effects. However, in some rare cases this could lead to models converging when run from the GUI, but not the API, or vice versa.
These bugs will be fixed in version 11.1a.
OrcaWave
Bodies with moon pools were handled incorrectly, affecting results for second-order loads. Specifically, the results for water plane area, centre of floatation and water plane moments were incorrect. These quantities are used directly for calculating quadratic loads. Second-order loads were also affected in an indirect way if an extended mesh was used to remove irregular frequency effects (the water plane affects the source formulation in this case). First-order loads are not affected.
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Orcaflex Training
This bug will be fixed in version 11.1a.