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| computation per timestep https://galprop.stanford.edu/forum/viewtopic.php?f=3&t=253 |
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| Author: | lw840305 [ Wed Apr 10, 2019 2:10 am ] |
| Post subject: | computation per timestep |
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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| 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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