Hi Paul, Thanks for your interest in PyFR.
A current feature of PyFR is that it can operate in any consistent system of units. Yes. Would it be possible to add the ability to use a specific system of units; SI, for example? I believe that this capability is a subset of the above? If you enter everything consistently in SI you should be fine. At present, any scale factors used to non-dimensionalize a given PyFR case must be recorded separately. The .ini file has no means of recording and communicating the factors used. To give an example of the kind of question that can arise, one might be interested to know the viscosity of the gas used in a previous case. To ascertain the answer, it is necessary to have both the figure specified in the .ini file and a list of the scale factors. Not sure I fully follow here? If you non-dimensionalise a given setup, then indeed you would need to remember what you did if you wanted to back out dimensional values again. But these values are not required to specify the simulation - you just need to get Mach/Reynolds number correct? The cylinder flow case in the paper 'Heterogeneous computing on mixed unstructured grids with PyFR' provides a good example of a snag with separate records; the .ini file is included in the supplementary material but the list of scale factors is not. I believe that the .ini file fully specifies the simulation (Mach and Reynolds number). There are no other scale factors required? Apologies if I have misunderstood something. Cheers Peter Dr Peter Vincent MSci ARCS DIC PhD Senior Lecturer and EPSRC Early Career Fellow Department of Aeronautics Imperial College London South Kensington London SW7 2AZ UK web: www.imperial.ac.uk/aeronautics/research/vincentlab<http://www.imperial.ac.uk/aeronautics/research/vincentlab> twitter: @Vincent_Lab<https://twitter.com/Vincent_Lab> On 1 Feb 2016, at 11:52, Paul Garlick <[email protected]<mailto:[email protected]>> wrote: Hi Developers, A current feature of PyFR is that it can operate in any consistent system of units. Would it be possible to add the ability to use a specific system of units; SI, for example? At present, any scale factors used to non-dimensionalize a given PyFR case must be recorded separately. The .ini file has no means of recording and communicating the factors used. To give an example of the kind of question that can arise, one might be interested to know the viscosity of the gas used in a previous case. To ascertain the answer, it is necessary to have both the figure specified in the .ini file and a list of the scale factors. The cylinder flow case in the paper 'Heterogeneous computing on mixed unstructured grids with PyFR' provides a good example of a snag with separate records; the .ini file is included in the supplementary material but the list of scale factors is not. Best regards, Paul Garlick -- You received this message because you are subscribed to the Google Groups "PyFR Mailing List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]<mailto:[email protected]>. To post to this group, send email to [email protected]<mailto:[email protected]>. Visit this group at https://groups.google.com/group/pyfrmailinglist. For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "PyFR Mailing List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. Visit this group at https://groups.google.com/group/pyfrmailinglist. For more options, visit https://groups.google.com/d/optout.
