XANSYS Message: 20694 [Go back to message list] [bookmark on del.icio.us]
No rating yet Subject: Re: Error in element formulation Author: Mark Rodamaker Date: 2001-01-31 12:21:00There are a lot of possibilities but it probably means an element is turning inside out. An internal angle is becoming less than 0 degrees or more than 180 degrees.
Mark Rodamaker MCR Associates Sunnyvale,California voice: 408-736-1636
----- Original Message ----- To: Sent: Wednesday, January 31, 2001 5:27 AM
> I have seen this happen generally when we have plasticity & NLGEOM, ON esp > with PCG solver. I used to get successful results with a combination of > these:
> 1) define TB stress strain curve for a broader range > 2) use sparse solver (solcon on) > 3) using NROPT,full,,OFF
> It may also be caused by bad elements deforming excessively.
> Good Luck
> Ravi
> -----Original Message----- > From: Eduardo Alonso [mailto:evxeja@n...] > Sent: Wednesday, January 31, 2001 6:06 AM > To: xansys > Subject: [xansys] Error in element formulation
> Hi there all! > I am facing an error while i am running my model, it reads "error in element > formulation"could anyone tell me exactly what that means and how can I get > rid ot it? > Cheers,
> Eduardo J. Alonso > Research Student > School of civil engineering > University of Nottingham