Orcina news

Here you will find the latest news on the development of OrcaFlex. Alongside our LinkedIn page, it is a valuable source of information about what we are up to!

OrcaFlex 9.1 released, the fastest OrcaFlex yet!

As I’m quite sure every OrcaFlex user knows by now, OrcaFlex 9.0 introduced an implicit time domain solver in addition to the existing explicit solver. This change led to huge improvements in run times and thus prompted us to award the release ‘major upgrade status’ and promote it from version 8 to version 9! In […]

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Keyboard shortcuts for rotation

One of the changes we made in OrcaFlex 9.1 was a re-mapping of keyboard shortcuts. Mostly this was motivated by a desire to map CTRL+S to File | Save and CTRL+O to File | Open. To make room for these changes we had to rearrange a number of other shortcuts. In particular the shortcuts to […]

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Possible changes to modelling of hollow spar buoys

This article proposes some possible changes that we are considering, to the way OrcaFlex treats the water inside a hollow spar buoy, i.e. where a spar buoy object in an OrcaFlex model has a non-zero ID specified for one or more of its cylinders. We would welcome feedback from OrcaFlex users (and potential users) on […]

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Whole System Statics

Many of the software support questions we receive concern statics convergence. Before the release of OrcaFlex 9.0 we would regularly employ a host of methods to deal with stubborn cases. The problem cases would usually involve 6D Buoys. OrcaFlex 9.0 introduced a new statics method called Whole System Statics (WSS) which provides a great leap […]

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Effective Tension Validation

Orcina have recently carried out a validation of the way OrcaFlex handles buoyancy forces and pipe internal contents pressure effects, and the resulting effective tension and wall tension that OrcaFlex reports. We have validated these OrcaFlex results against results presented in Nigel Barltrop’s well-respected book “Dynamics of Floating Structures: a guide for design and analysis. […]

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Welcome to the OrcaFlex Blog

Welcome to our new OrcaFlex Blog! We’ve been contemplating writing a blog for some time now and have finally decided to take the plunge. The idea is to try to encourage the development of the OrcaFlex community. Our annual User Group Meetings are a big part of this, but a blog can be more immediate […]

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