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TOPIC: Optimisation of time simulation

Optimisation of time simulation 11 years 8 months ago #7934

  • Rho
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Hello everyone,

I am looking for a way to optimize the time simulation of my model, knowing that I cannot reduce the number of mesh elements nor use a more powerful computer…

Would anyone have an idea how to help me?

Besides, is there a way to estimate the time simulation of a model from the number of mesh elements ?

Thanks a lot
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Optimisation of time simulation 11 years 8 months ago #7935

  • jmhervouet
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Hello,

As soon as you use the matrix storage 3, the wave equation, full mass-lumping and fully implicit schemes, you can only play with the accuracy of solvers (dangerous) and the time step.

Computer time is difficult to estimate, but is mostly depending on the number of iterations of solvers, hence generally of the CFL number. You have some data in the benchmarking section.

Regards,

JMH
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