LTS and twoPhaseEulerFoam or multiphaseEulerFoam

tkeskita · March 21, 2018, 11:11

Hi,

has anyone tried to use local time stepping (LTS) with twoPhaseEulerFoam or multiphaseEulerFoam? I wonder if it's possible or not.

I found localEuler is used in tutorials/multiphase/interFoam/RAS/DTCHull, but that's interFoam.

geth03 · April 17, 2020, 05:48

did you have any success?
i'm changed my ddtScheme to localEuler but it did not work.
the solver gives an error:
request for surfaceScalarField rDeltaTf from objectRegistry region0 failed
available objects of type surfaceField are
65
(
...
)

geth03 · April 20, 2020, 05:07

so i turned facemomentum off and chose localeEuler in ddtScheme and it "worked". Didn't achieve the result with transient case tho.

March 21, 2018, 11:11	LTS and twoPhaseEulerFoam or multiphaseEulerFoam	#1
tkeskita Member Tuomo Keskitalo Join Date: Oct 2010 Posts: 51 Rep Power: 15	Hi, has anyone tried to use local time stepping (LTS) with twoPhaseEulerFoam or multiphaseEulerFoam? I wonder if it's possible or not. I found localEuler is used in tutorials/multiphase/interFoam/RAS/DTCHull, but that's interFoam.

April 17, 2020, 05:48		#2
geth03 Senior Member Join Date: Dec 2019 Location: Cologne, Germany Posts: 355 Rep Power: 8	did you have any success? i'm changed my ddtScheme to localEuler but it did not work. the solver gives an error: request for surfaceScalarField rDeltaTf from objectRegistry region0 failed available objects of type surfaceField are 65 ( ... )

April 20, 2020, 05:07		#3
geth03 Senior Member Join Date: Dec 2019 Location: Cologne, Germany Posts: 355 Rep Power: 8	so i turned facemomentum off and chose localeEuler in ddtScheme and it "worked". Didn't achieve the result with transient case tho.