0 Replies Latest reply on Feb 12, 2016 11:43 PM by Eg Gloo

    Simulation keeps reverting: PCGLSS0102:Assembled Stiffness Matrix has a negative diagona 

    Eg Gloo

      Hello

       

      I have a spring on which I'm trying to run a simulation (attached). Each time it reaches about 2.4%, it reverts back to 0%. It seems to have a hard time "solving contact constraints". I've already spent almost 9hrs and it is still reverting. The warnings I'm getting are:

       

      PCGLSS0102:Assembled Stiffness Matrix has a negative diagona

      PCGLSS0102:Assembled Stiffness Matrix has a negative diagona

      PCGLSS0102:Assembled Stiffness Matrix has a negative diagona

      PCGLSS0102:Assembled Stiffness Matrix has a negative diagona

       

      Screen Shot 2016-02-13 at 12.36.21.png

       

      Does anyone know why this might be the case? I'm running 2016 SP1.

       

      Thanks