During the installation you will be prompted for a set of credentials for the client service to run under. A 64 bit Distributed OrcaFlex client will require a 64 bit Python version and a 32 bit client will need a 32 bit Python version. In the past that meant that you could not use the spreadsheet add-in with 64 bit Excel. So if you have 10 wave components you need to sum 10 2 terms. One feature that has been requested for many years is the ability to define results variables when implementing external functions. The availability and job capacity of each client can also be managed from the viewer program. The other significant benefit relates to interfacing with other programs. 
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Previous versions of OrcaFlex modelled 2 nd order wave drift loading using diagonal QTFs and the Newman approximation. Since you are in full control of the external functions, you have the freedom to implement whatever you wish to.
If you do need to run earlier OrcaFlex versions, then you will need to install the 32 bit client.
News - OrcaFlex released
The viewer .96 server programs do not use an OrcaFlex licence. But the 32 bit version will be installed and can be run if necessary.
One feature that has been requested for many years is the ability to define results variables when implementing external functions. The full theory of 2 nd order wave drift loading requires summation of loads due to all combinations of pairs of wave components.
Releases Archive - Orcina
Now the DOF Server waits 10 minutes after a client has disconnected before taking action. Although the job usually continued on the same DOF Client, the bug could lead to extended run times and occasional unnecessary restarts. This user should be created before you begin the installation and only be used for the Distributed OrcaFlex client service. A 32 bit process is limited in how much memory it can address — that limit is 4GB. They are available through all the post-processing interfaces that OrcaFlex exposes: The Template Z plot shows the heave compensation system attempting to achieve a target value of m.
Distributed OrcaFlex consists of three separate programs. The line contact model supports relative axial motion between the contacting lines and can include axial friction. So the main benefit is breaking free of the constraints of 32 bit memory address space. The installation program gives you the option of running either the 32 bit or 64 bit version of the client and it is possible to operate a mixed installation where you have some clients running 32 bit and others running 64 bit.
If an error occurred in the DOF Server caused by a repeating problem such as a communication errorthen multiple error reports were created that could fill the C: The challenge has been achieving this level of generality whilst maintaining the calculation robustness that our users expect.
In particular the proliferation of multi-core and multi-processor machines is significant. Sadly that is not the case.
The latest version of Distributed OrcaFlex is 6. Even if you have a machine with more memory, the 32 bit process orcalex only see 4GB of it. Finally, a Distributed OrcaFlex viewer program that displays the list of jobs and their current status e. We are very pleased to announce the major release of OrcaFlex, version 9.
OrcaFlex 9.6
This issue is dealt with by means of directory orcalfex convention. This enables Distributed OrcaFlex to utilise properly all the processor cores on a computer that has processor groups, generally large capacity servers.
If you intend 96 run OrcaFlex models that use external functions or post calculation actions then an appropriate version of Python must be present on the client computer. It uses an approximation to turn the double sum into a single sum over the wave components.
We will resolve this in a minor 9. A Distributed OrcaFlex client program runs on each machine that orvaflex to process OrcaFlex jobs each client machine must have an OrcaFlex licence. The availability and job capacity of each client can also be managed from the viewer program.
By default, on a 64 bit system, the installation program will setup shortcuts for 64 bit OrcaFlex. One or more lines are constrained to follow another line at certain arc lengths, such as choke and kill lines on drilling risers, installation guide wires and piggy-back risers.
Python If you intend to run OrcaFlex models that use external functions or post calculation actions then an appropriate version of Python must be present on the client computer.
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