Tutorial OS-T 1600

Hello,

 

i tried to solve the Optistruct OS-T 1600 Tutorial, but after starting the two solvers (optistruct, acusolve) there is a convergence error of acusolve that stops the job:

 

Messages for the job:

 
 *** ERROR # 5202 ***
 Acusolve stops before FSI iteration achieves convergence.
 
 *** PROGRAM STOPPED: FATAL ERROR(s) ENCOUNTERED.

 

 

Does anyone knows the problem? I checked all steps of the tutorial and start it again, but the error still appears.

 

The next step was to change the exchange parameter of acusolve (min/max_stagger_iterations) and optistruct (min/maxEX) to 30. A Simulation of the Tutorial with only 0.02s worked.
To simulate the tutorial 0.1s or the whole 1s - as it is described in the Tutorial- still doesn´t work with a value of 100 for max_stagger and MAXEX. Another error appeared:

 

<?xml version="1.0" encoding="UTF-8"?>

 

Does anyone has got experience with the tutorial OS-T 1600 and solved it successfull?

Thank you very much in advance.