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manipulate initial value in S.manager
Posted 27.09.2010, 09:50 GMT-4 1 Reply
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Hello,
as well know my problem is Stationnary nonlinear multiphysics of 3 application , and I want to simulate it in two steps:
in the first step, I estimate the initial value With low relative tolerance (1e-3), in which case I should mention in The solver manager option from the initial value expression, then i click solve.
after the end of the first stage, back to back on default tolerance (1e-6), and mention another option current solution In The solver manager, then i click Restart hence my question:
how to define the results of the first step as initial value for the 2nd step in solver manager?????
thank you very much
as well know my problem is Stationnary nonlinear multiphysics of 3 application , and I want to simulate it in two steps:
in the first step, I estimate the initial value With low relative tolerance (1e-3), in which case I should mention in The solver manager option from the initial value expression, then i click solve.
after the end of the first stage, back to back on default tolerance (1e-6), and mention another option current solution In The solver manager, then i click Restart hence my question:
how to define the results of the first step as initial value for the 2nd step in solver manager?????
thank you very much
1 Reply Last Post 27.09.2010, 10:42 GMT-4
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Posted:
1 decade ago
Hi Isabelle
In 3.5 normally the restart uses current solution. In the solution manager you can also select which of the initial conditions to use, I often save the values inbetwen and restart from solved solution, and then save the sequence in the sequencer.
In V4 you need to edit the detailed solver steps, and keep in mind that sometimes, when you rerun an exisiting solver sequence, if you change a values as a parametric sequence values you might need to recopy these further down in the node structure, as it is NOT automatically ported down. Furthermore, if you delete a solver sequence with manual edited sub-nodes, you must regenerate them manually each time
--
Good luck
Ivar
In 3.5 normally the restart uses current solution. In the solution manager you can also select which of the initial conditions to use, I often save the values inbetwen and restart from solved solution, and then save the sequence in the sequencer.
In V4 you need to edit the detailed solver steps, and keep in mind that sometimes, when you rerun an exisiting solver sequence, if you change a values as a parametric sequence values you might need to recopy these further down in the node structure, as it is NOT automatically ported down. Furthermore, if you delete a solver sequence with manual edited sub-nodes, you must regenerate them manually each time
--
Good luck
Ivar