sry, delete ‘static’ from my comment Timo
> 5. sep. 2021 kl. 17:17 skrev Timo Koch <koch_t...@hotmail.com>: > > should be ok. Creating the new law is the same cost as creating the old > params, because the static functions have zero size. > > Timo > >>> 5. sep. 2021 kl. 16:18 skrev Dmitry Pavlov <dmitry.pav...@outlook.com>: >>> >> >> Timo, >> >> Ah, I see, the krw and krn in PcKrSw are not static, so I can, as you say, >> effectively have any kind of state in the material law. >> >> Will not it damage the performance though? In my problem formulation, krw >> and krn continuously depend on surfactant mole fraction. So I will have to >> create as many FluidMatrixInteractions as there are cells. Is it OK? >> >> Best regards, >> >> Dmitry >> >> >> >> >> >>> On 05.09.2021 03:32, Timo Koch wrote: >>> Hi Dmitry, >>> >>> sure this is still possible. If you want you can think of the >>> FluidMatrixInteraction as a collection of MaterialLawParams only that these >>> “params” now additionally have functions like sw(pc). So they are the >>> (parametrized) “law”. Instead of separating parameters and (stateless) >>> functions there are now in one class with state. So, if you want a law >>> parametrized with different parameters, you construct a new law with new >>> parameters (within the SpatialParams::fluidMatrixInteraction function). >>> >>> Hope this helps >>> >>> Timo >>> >>>> 5. sep. 2021 kl. 00:41 skrev Dmitry Pavlov <dmitry.pav...@outlook.com>: >>>> >>>> Hello, >>>> >>>> I have a confession to make. For quite some time, I have been using DuMux >>>> 3.3, refusing to upgrade because my code uses MaterialLawParams >>>> extensively, and in DuMux 3.4 it is no longer available. I saw the >>>> deprecation notice in 3.3, but was too busy/lazy to look into the >>>> alternative. >>>> >>>> Now I started to think about upgrade and... I do not know how to do with >>>> FluidMatrixInteraction the things I have been doing with >>>> MaterialLawParams. The changelog says: "A caller does not have to pass a >>>> `parameters` object to the laws anymore". See, the necessity (capability) >>>> to pass this object around allowed me to make by krw and krn effectively >>>> depending not only on sw, but also on the concentration of a component >>>> (surfactant), and on the pressure gradient. >>>> >>>> I obtained the surfactant concentration and pressure gradient in >>>> SpatialParams::materialLawParams, then used them to calculate the >>>> capillary desaturation coefficients, and then wrapped them into the >>>> returned instance of MaterialLawParams, which was later happily passed to >>>> krw() and krn(). >>>> >>>> With DuMux 3.4 I see examples with different implementations of >>>> FluidMatrixInteraction being used depending on position etc., but no >>>> example where fluid variables other than sw affect the relative >>>> permeability. Is this possible? >>>> >>>> Regards, >>>> >>>> Dmitry >>>> >>>> >>>> _______________________________________________ >>>> DuMux mailing list >>>> DuMux@listserv.uni-stuttgart.de >>>> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux >>> >>> >>> _______________________________________________ >>> DuMux mailing list >>> DuMux@listserv.uni-stuttgart.de >>> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux >> _______________________________________________ >> DuMux mailing list >> DuMux@listserv.uni-stuttgart.de >> https://listserv.uni-stuttgart.de/mailman/listinfo/dumux > _______________________________________________ > DuMux mailing list > DuMux@listserv.uni-stuttgart.de > https://listserv.uni-stuttgart.de/mailman/listinfo/dumux
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