<HTML><BODY>Hi Neks,<br><br>in the older version of the code when trying to set up Pn-Pn and IFSTRS the code returns "Stress formulation in Pn-Pn is not supported".<br><br>Trying the channel flow with the new version, I do not get this line, however, NaN values appear in the solver output.<br><br>Could you please help me out?<br><br>Vlad<br>Novosibirsk State University<br></BODY></HTML>