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Recent Topics

Dear developers, Is there any way that I can directly read or modify flow field stored in pyfrs files? Best regards, Will ...

Author: Will
Date: Fri, 19 Jan 2018 06:52:51 UTC
Link:
i have been looking around and have yet to find any 3d examples using pyfr. I think there was one one the mailing list at some point, but I can't find it now. does anyone have a repository of 3d examples they can share? ~Kurt ...

Author: Kurt Sansom
Date: Wed, 17 Jan 2018 22:36:13 UTC
Link:
Dear developers, For AC method in incompressible flow simulation, although with the accelerator, it seems the convergence speed is quite low, if mass conservation under a certain tolerance would be achieved in each physical time step. Hence, I wonder whether the pseudo time step should achieve ...

Author: Will
Date: Mon, 08 Jan 2018 13:48:39 UTC
Link:
Dear developers: Recently, I want to calculate some cases using the PYFR which developed form yours, but I had a problem when first using the PYFR . At the examples you have given----2D couette flow, euler vortex and incompressible cylinder flow, when i using the command 'pyfr run', the keyError ...

Author: yu Yao
Date: Sun, 07 Jan 2018 16:03:12 UTC
Link:
Dear developers: Recently, I want to calculate some cases using the PYFR which developed form yours, but I had a problem when first using the PYFR . At the examples you have given----2D couette flow, euler vortex and incompressible cylinder flow, when i using the command 'pyfr run', the ...

Author: yu Yao
Date: Sun, 07 Jan 2018 06:45:48 UTC
Link:
Sorry I post the thread again. > > I use Pointwise to do a 2D mesh, but it gives me this following error. Can > anyone help me look at it? > > By the way, for compressible flow, how can I obtain temperature data from > Pyfr? > Can Pyfr do large eddy simulation (LES) or RANS (k-epsilon)? If ...

Author: SAM WANG
Date: Tue, 19 Dec 2017 01:39:42 UTC
Link:
I am curious to know the formatting of the pyfrm format, it appears to not have much documentation. I will go look at the code, but I wanted to ask here first. Regards, ~Kurt ...

Author: Kurt Sansom
Date: Tue, 12 Dec 2017 23:27:12 UTC
Link:
Is there a way to convert .vtu mesh files to the .pyfrm format? Regards, ~Kurt ...

Author: Kurt Sansom
Date: Tue, 12 Dec 2017 19:08:08 UTC
Link:
Dear developers, How can I pass a new constant variable created in ini file to the mako kernels? Can some constants be global constants? Best regards, Will ...

Author: Will
Date: Thu, 30 Nov 2017 11:13:22 UTC
Link:
Dear all, I am trying to extract all fields data from the output .vtu file through data. Now the "velocity" and "pressure" arrays can be successfully extracted. However, the name of three coordinates (x, y ,z) stored in the vtu file cannot be found. Does anyone know what the name of the 3 ...

Author: Will
Date: Tue, 28 Nov 2017 12:38:07 UTC
Link:
Hello, when attempting to run one of the example cases, I receive this error. Does anybody know what the solution to this could be? > htpc@htpc:~/Downloads/PyFR/examples/inc_cylinder_2d$ pyfr run mesh.pyfrm > inc_cylinder_2d.ini -b opencl > Traceback (most recent call last): > File ...

Author: Joel
Date: Thu, 16 Nov 2017 08:40:13 UTC
Link:
Dear all, I recently tested a cavity flow case on PyFR with ac-navier-stokes. It is an OpenFOAM tutorial case which simulates a cavity with three non-slip fixed walls and a moving walls moving at speed of 1m/s. In my test simulation, 1. Since it is a 2d flow, I applied one no-slp-wall with u = ...

Author: Will
Date: Tue, 14 Nov 2017 08:41:52 UTC
Link:
I am interested in trying out PyFR, but I am a little confused on how much PCI-E bandwidth is required. If I am going to run, say, 3 NVIDIA consumer-grade GPUs, will running only a PCI-E 2.0 x1 link between each GPU and the motherboard cause significant slowdown of simulation run-time? Thank you ...

Author: Joel
Date: Sun, 05 Nov 2017 10:02:30 UTC
Link:
Dear all, I am now testing the supersonic forward step test recently. I also find another guy once trying to do that case, while I follow the suggestions and tried to reproduce the results. I copied the .ini file from Jin Seok https://groups.google.com/d/msg/pyfrmailinglist/bwicPvZb1B8/Z07K4OCjC ...

Author: SAM WANG
Date: Fri, 03 Nov 2017 00:47:58 UTC
Link:
Dear all, I am now trying to convert an OpenFOAM case to Pyfr, but the conversion of some boundary conditions I am not quite sure. In my knowledge, for symmetry plane, the normal velocity is zero and the normal gradient of other variables are zero as well. For slip wall, normal velocity is ...

Author: SAM WANG
Date: Wed, 01 Nov 2017 22:59:46 UTC
Link:

Latest Release

PyFR 1.7.0:

  • Added multi-p convergence acceleration for dual time stepping.

Join our Team

Postdoctoral Position - GPU Accelerated High-Order Computational Fluid Dynamics
Summary: A fully funded Postdoctoral position is currently available. The project, will involve development of PyFR, an open-source high-order massively-parallel cross-platform CFD solver, as well as its application to solve a range of challenging unsteady flow problems. Candidates should hold, or expect to obtain, a PhD in a numerate discipline from a world-leading university.

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