I did use unique names. I followed libmesh examples and used
file_name << "out."
<< std::setw(3)
<< std::setfill('0')
<< std::right
<< t_step+1 << ".vtk";
Inspired by your reply, I avoided using dot in file name prefixes. I
changed it to file_name << "out-" and got
out-001.vtk
out-002.vtk
out-003.vtk
out-001_0.vtu
out-002_0.vtu
out-003_0.vtu
Now I can view the mesh at each time step with ParaView.
--Junchao Zhang
On Sat, Jul 9, 2016 at 3:33 PM, John Peterson <jwpeter...@gmail.com> wrote:
>
>
> 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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