Dear Song,

What machine are you running the code on? As you can see form 

https://buildbot.nektar.info/#/grid

The virtual machines we are currently testing the code on seem to be passing the test we have set up so I would have hoped it is running OK for you too. If you run Nektar4.5.0 on another machine do you still see the same issue? 

Cheers,
Spencer.




On 27 May 2019, at 08:53, Song Xiang <sxnwpu@outlook.com> wrote:

Dear all,
 On the latest nektar version, 4.5.0, there is a problem with the given case (AcousticSolver/Tests/APE_2DPulseAdv_WeakDG_MODIFIED.xml). When the program runs，it will report an error "History point cannot be found in the mesh". However,
when the same xml file is used on a previous nektar version, 4.4.1, it is properly done. 

 The history point is not a node of mesh but in the domain. When i use a node of mesh as history point, the program performs well on the latest version. Can not use the points which are not nodes of mesh as history points now?

 Thank you.

 Cheers,
 Song
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Spencer Sherwin FREng, FRAeS
Head, Aerodynamics,
Director of Research Computing Service,
Professor of Computational Fluid Mechanics,
Department of Aeronautics,
s.sherwin@imperial.ac.uk                                   South Kensington Campus,
Phone: +44 (0)20 7594 5052                              Imperial College London,
Fax:   +44 (0)20 7594 1974                               London, SW7 2AZ,  UK
http://www.imperial.ac.uk/people/s.sherwin/