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 Post subject: computation per timestep
PostPosted: Wed Apr 10, 2019 2:10 am 
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Joined: Mon May 28, 2012 7:38 pm
Posts: 20
Dear all,
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.


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