Hi Antonio

I would add that in the next release of PyFR (v0.2.3) we will have support for 
adaptive step-size control based on error estimating RK schemes, however this 
will adapt the global dt, not local dt. As Freddie says, we do not have element 
local dt in PyFR at the moment.

Cheers

Peter

On 20 Oct 2014, at 14:19, Freddie Witherden <[email protected]> wrote:

> On 20/10/14 12:01, Antonio Garcia-Uceda wrote:
>> Dear All,
>> 
>> My name is Antonio Garcia-Uceda, and I'm working on Flux Reconstruction.
>> I'd like to know the way you compute the local time step in FR, for
>> steady state solution. Originally I was using an approach inherited from
>> FV (i.e. cellwise computation using cell-averaged solution values), and
>> then apply this value to all solution points throughout the cell However
>> I'm aware that this may over-restrict the real CFL limit at each point.
>> Do you compute the time step rather in a pointwise manner? Thanks in
>> advance.
> 
> PyFR does not use local time stepping; the time step is the same for all
> elements in the simulation.  If you're interested in solving steady
> state problems there are better tools for the job (fully implicit
> schemes with HP adaptivity, for example).
> 
> Regards, Freddie.
> 
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