|computation per timestep
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|Author:||lw840305 [ Wed Apr 10, 2019 2:10 am ]|
|Post subject:||computation per timestep|
When I read propel.cc source file, I find when calculating the time-dependent propagation equation, for each time step, the computation would repeat 20 times, i.e. timestep_repeat = 20. I think the well-known Crank-Nicolson theme is unconditionally stable. Why does the computation repeat 20 times ?
Thank you very much for your reply.
|Author:||gudlaugu [ Thu Nov 28, 2019 2:16 am ]|
|Post subject:||Re: computation per timestep|
Sorry for the late reply. The code is meant to repeat until a steady state solution at each timestep. Hence we need several iterations at each timestep.
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