November 20, 2023 at 5:55 pm
Subscriber
Interestingly enough, reducing the time step by keyword *CONTROL_TIMESTEP help achieve a good solution. Same soluction could be obtained using the implicit solver with the following settings.
*CONTROL_ACCURACY
$# osu inn pidosu iacc
1 4 0 0
*CONTROL_IMPLICIT_AUTO
$# iauto iteopt itewin dtmin dtmax dtexp kfail kcycle
1 30 10 0.0 1.0E-4 0.0 0 0
*CONTROL_IMPLICIT_DYNAMICS
$# imass gamma beta tdybir tdydth tdybur irate alpha
1 0.6 0.38 0.01.00000E281.00000E28 0 0.0
*CONTROL_IMPLICIT_GENERAL
$# imflag dt0 imform nsbs igs cnstn form zero_v
1 1.0E-4 2 1 1 0 0 0
*CONTROL_IMPLICIT_SOLUTION
$# nsolvr ilimit maxref dctol ectol rctol lstol abstol
12 15 15 0.001 0.011.00000E10 0.91.0000E-20
$# dnorm diverg istif nlprint nlnorm d3itctl cpchk
1 1 1 1 0 1 0
$# arcctl arcdir arclen arcmth arcdmp arcpsi arcalf arctim
0 0 0.0 1 2 0 0 0
$# lsmtd lsdir irad srad awgt sred
5 2 0.0 0.0 0.0 0.0