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Posted:
1 decade ago
May 10, 2013, 4:49 a.m. EDT
I do need It too...have You found that in this model It is possible to change parameters when something happens? Are You interested in It?
I do need It too...have You found that in this model It is possible to change parameters when something happens? Are You interested in It?
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Posted:
8 years ago
Aug 2, 2016, 9:57 a.m. EDT
Hello!
Did anyone contact you with the app?? I need it too! I hear that you can use events for simulations when something changes! Is it true? I would be very thankful if someone could send me this :)
Hello!
Did anyone contact you with the app?? I need it too! I hear that you can use events for simulations when something changes! Is it true? I would be very thankful if someone could send me this :)
Walter Frei
COMSOL Employee
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Posted:
8 years ago
Aug 2, 2016, 10:33 a.m. EDT
Hello,
This question seems to be with regards to the handling of events in transient simulations. The example being referred to here ( model ID 14191) is a bit out-of-date and we would instead suggest that you use the following resources to learn how to use the Events interface:
www.comsol.com/blogs/modeling-a-periodic-heat-load/
www.comsol.com/blogs/implementing-a-thermostat-with-the-events-interface/
www.comsol.com/blogs/how-to-implement-a-delay-in-your-thermostat-simulation/
www.comsol.com/blogs/control-current-and-voltage-sources-with-the-acdc-module/
Best Regards,
Hello,
This question seems to be with regards to the handling of events in transient simulations. The example being referred to here ( model ID 14191) is a bit out-of-date and we would instead suggest that you use the following resources to learn how to use the Events interface:
https://www.comsol.com/blogs/modeling-a-periodic-heat-load/
https://www.comsol.com/blogs/implementing-a-thermostat-with-the-events-interface/
https://www.comsol.com/blogs/how-to-implement-a-delay-in-your-thermostat-simulation/
https://www.comsol.com/blogs/control-current-and-voltage-sources-with-the-acdc-module/
Best Regards,
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Posted:
7 years ago
Jun 6, 2017, 12:15 p.m. EDT
Hi I was wondering if you could help me with a problem I am having that sounds similar to this. I am trying to change my initial parameters when a certain criteria is met in solving. I am looking at oxygen concentrations in three different regions of a model each which contain a number of living cells that have been defined in the parameters. If the oxygen concentration falls to a certain level say 2% I want the cells to start dying and the parameters to be updated during the solution. Do you have any idea how to do this? Thanks
Hi I was wondering if you could help me with a problem I am having that sounds similar to this. I am trying to change my initial parameters when a certain criteria is met in solving. I am looking at oxygen concentrations in three different regions of a model each which contain a number of living cells that have been defined in the parameters. If the oxygen concentration falls to a certain level say 2% I want the cells to start dying and the parameters to be updated during the solution. Do you have any idea how to do this? Thanks
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Posted:
7 years ago
Jun 6, 2017, 1:01 p.m. EDT
For updating the parameters during the solution use the module "d/dt Global ODEs and DAEs (ge)" and for testing condition use if()
good luck
For updating the parameters during the solution use the module "d/dt Global ODEs and DAEs (ge)" and for testing condition use if()
good luck
