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Recent Topics

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:
All, I was interested in running a compressible simulation with PyFR. The target Reynolds number would be 2.146e+06. A p4 mesh would likely consist of around 15e+06 hexes. Freddie’s spreadsheet, if I’m reading correctly, estimates a 3-D double-precision Navier-Stokes problem would require ...

Author: Zach Davis
Date: Thu, 08 Feb 2018 17:15:16 UTC
Link:
Dear PyFR-Developers, I'm trying to simulate an incompressbile turbulent 2d channel flow at Re=10000 (L=10D, D=0.016m, u_mean=0.6275, nu=1e-6, 561 Elements). I provided a simple 1/7-power-law velocity profile as an inlet condition and an arbitary pressure of 1 at the outlet, which should not ...

Author: Hendrik
Date: Thu, 08 Feb 2018 15:10:14 UTC
Link:
Hi, I tried to ran pyfr on a cluster with the openmp backend and got the following error output: An MPI process has executed an operation involving a call to the "fork()" system call to create a child process. Open MPI is currently operating in a condition that could result in memory corruption ...

Author: Yifan Bai
Date: Wed, 31 Jan 2018 20:27:48 UTC
Link:
Dear All, We have released PyFR v1.7.5. New Features: - Added support for P0 multi-p convergence acceleration. - Added maximum time-step option for PI controller. Download: http://www.pyfr.org/download.php Thanks again for your interest in the project. Peter Dr Peter Vincent MSci ...

Author: Vincent, Peter E
Date: Thu, 25 Jan 2018 13:39:44 UTC
Link:
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:

Latest Release

PyFR 1.7.5:

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

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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