On Thu, Jul 7, 2016 at 4:29 PM, Junchao Zhang <junchao.zh...@gmail.com>
wrote:

> I called VTKIO(mesh).write_equation_systems (file_name.str(),
> equation_systems) in a libmesh example code to dump an adaptive mesh with
> solutions to VTK files. I ran three time steps and dumped the mesh every
> time step. I got those files
>
> out.001.pvtu
> out.002.pvtu
> out.003.pvtu
> out_0.vtu
>
>


> I also found out_0.vtu only contained the mesh of the last time step. So,
> how can I get the mesh every time step so that I can see how the mesh is
> adaptively refined in ParaView?
>

Hmm... what file name are you passing to write_equation_systems?  If it's
just "out" each time, I suppose the writer might be overwriting the mesh
file each time with the same name.  But I think this is controlled by VTK,
all we do is call

  writer->SetFileName(fname.c_str());

on the filename that you pass in.  As a quick fix, try calling
write_equation_systems() with a unique name for each timestep?

-- 
John
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