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Recent Topics

Dear Sir or Madam, I am writing to inquire about the frequently NaN check error in the "inc_cylinder_2d". As a newbie of PyFR, I used to try to change the Reynold number of the example by editing the "Uin". The default Reynolds number was 125 and the NaN check errors occurred only when the ...

Author: Lin
Date: Fri, 20 Apr 2018 04:30:00 UTC
Link:
Dear developers and dear fellow pyFR users, I have a few questions concerning the data location in high order cells as present in pyFR and the calculation of the dimensionless wall normal distance (Let's call it y+ from this point on) accordingly. 1) Calculation of y+ To calculate the y+ value ...

Author: Hendrik
Date: Wed, 18 Apr 2018 11:33:07 UTC
Link:
Dear all, I've tried to run the example "inc_cylinder_2d" with PyFR v.1.7.6. Now I would like to change the Reynolds number of the example and observe the distribution of the pressure factor in the surface of the cylinder. Questions list below: Mesh file: 1. Unit ...

Author: Lin
Date: Fri, 06 Apr 2018 06:31:45 UTC
Link:
Hi, I've encountered some problems with trying to use openmp with windows. I've followed https://groups.google.com/forum/#!searchin/pyfrmailinglist/windows$2010%7Csort:date/pyfrmailinglist/Kaygd-9ni2k/42IqyZfIBAAJ for the setup for the most part. While trying to run mpiexec -n 2 pyfr run -b ...

Author: Magnus
Date: Thu, 05 Apr 2018 13:35:00 UTC
Link:
Hi, I want to create more than one partition for couette_flow_2d but I receive the following error $ pyfr import couette_flow_2d.msh couette_flow_2d.pyfrm/home/mahmood/.local/lib/python3.6/site-packages/h5py/__init__.py:36: FutureWarning: Conversion of the second argument of issubdtype from ...

Author: Mahmood Naderan
Date: Thu, 05 Apr 2018 09:02:05 UTC
Link:
Dear All, I am currently running PyFR within a Python virtual environment. Every time I run a PyFR command, I get the warning message displayed in the attachment. Do you know what might be the cause for this? Best regards, Alexandru Dorcioman ...

Author: Alexandru Dorcioman
Date: Tue, 03 Apr 2018 20:24:20 UTC
Link:
Hi, When I look at the couette_flow_2d.ini, I see that the backend-openmp is blank. Also there is no [backend-cuda] entry. So, is the command pyfr run -b cuda -p couette_flow_2d.pyfrm couette_flow_2d.ini correct? Regards, Mahmood ...

Author: Mahmood Naderan
Date: Sat, 31 Mar 2018 15:30:50 UTC
Link:
Hi, I'm attempting to run c:\PyFR-1.7.5\examples\euler_vortex_2d>mpiexec -n 2 pyfr run -b cuda -p euler_vortex_2d.pyfrm euler_vortex_2d.ini with the change in .ini file from device-id = round-robin to device-id = local-rank . I get pycuda.driver.CompileError: nvcc compilation of ...

Author: Magnus
Date: Wed, 28 Mar 2018 17:35:05 UTC
Link:
Hi all, I'm new to the high-order CFD world. I just have started playing around with PyFR and was hoping to implement Smagorinsky SGS model in the code. This model requires velocity gradients which I think are being calculated in flux calculation of navstokes solver (pyfr/solvers/navstokes/kern ...

Author: Vishal Saini
Date: Tue, 27 Mar 2018 19:50:49 UTC
Link:
My question may likely be addressed to Freddie. Previously, I had been running the clang-omp compiler with PyFr as the cc compiler in order to use OpenMP as a backend.. Apparently clang-omp has been deprecated, since OpenMP has been rolled into the main llvm branch. I have installed libomp, ...

Author: Zach Davis
Date: Fri, 23 Mar 2018 19:09:34 UTC
Link:
Hi According to the user guide, I ran the couette_flow_2d example and saw an output like below mahmood@orca:~$ cp -r /opt/PyFR-1.7.5/examples/couette_flow_2d/ . mahmood@orca:~$ cd couette_flow_2d/ mahmood@orca:couette_flow_2d$ pyfr import couette_flow_2d.msh couette_flow_2d.pyfrm /home/mahmo ...

Author: Mahmood Naderan
Date: Thu, 22 Mar 2018 10:11:47 UTC
Link:
Hi, In the user guide, it is said to run the setup.py [1]. However, that scripts needs some commands and options. Those are not described in the user guide. $ python3.6 setup.py usage: setup.py [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...] or: setup.py --help [cmd1 cmd2 ...] ...

Author: Mahmood Naderan
Date: Wed, 21 Mar 2018 19:42:15 UTC
Link:
Hi, When I want to install cgns, I get an error which says cgnslib.h is not found. I think that should be fetched by pip since I am installing cgns. Isn't that? $ python3.6 -m pip install cgns Collecting cgns Using cached CGNS-2009.10.30.tar.gz Building wheels for collected packages: cgns ...

Author: Mahmood Naderan
Date: Wed, 21 Mar 2018 19:35:14 UTC
Link:
Dear all, My name is Anthony Larroque. I am currently doing my PhD at the university of Cadiz in Spain, where I am using PyFR to perform simulations in axial compressors. I would like to know how did you get the pressure coefficient around the profile SD7003 in the figure 34 of the article "On ...

Author: Anthony Larroque
Date: Wed, 14 Mar 2018 11:47:58 UTC
Link:
Developers, developers, developers! So for my master thesis I'm trying to simulate supersonic flow around 3d wing. I already have some results from supersonic panel method and finite difference method from Fluent. I would also like to use FR method and compare results. Now the question is, do ...

Author: michal kaliszewski
Date: Sun, 11 Feb 2018 20:02:49 UTC
Link:

Latest Release

PyFR 1.7.5:

  • Added support for P0 multi-p convergence acceleration.
  • Added maximum time-step option for PI controller.

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