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What doing a non linear analysis, I have got an error "elment N° 249 inside out! (element solid185)". What to do in this case?

FINISH /CLear /PREP7 A1 = 10 B1 = 20 CSYS,1 K,1,A1, K,2,A1,45, K,3,A1,90, K,4,0,0,B1 L,1,2 L,2,3 par1_= B1/A1 LOCAL,11,1,0,0,0,,90,,par1_ L,1,4 LOCAL,11,1,0,0,0,45,90,,par1_ L,2,4 LOCAL,11,1,0,0,0,90,90,,par1_ L,3,4 AL,1,3,4 AL,2,4,5 /pnum,area,1 APLOT,all

But when I look at the calculation results I found the same deformed shapes for both step 1 and 2! does it mean that your method will only work when the load is Force or I need some commands to keep the first load step results? thanks!

/FILNAME, bobine, 1 /PREP7 /TITLE, OPTIMISATION, Bobine Forme ANTYPE, STATIC ET,1,SOLID45,,1 MP,EX,1,2.1E5 MP,NUXY,1,0.3 /COM TABLE OF NONLINEARITY TB,BKIN,1,1 ! DEFINE NON-LINEAR MATERIAL PROPERTY FOR STEEL TBTEMP,0 TBDATA,1,86000,1.0E4 ALPHA = -5.0 RIN = 25. EP = 10.0 LEN1 =...

Here is my input file : /FILNAME, bobine, 1 /PREP7 /TITLE, OPTIMISATION, Bobine Forme ANTYPE, STATIC ET,1,SOLID45,,1 MP,EX,1,2.1E5 MP,NUXY,1,0.3 /COM TABLE OF NONLINEARITY TB,BKIN,1,1 ! DEFINE NON-LINEAR MATERIAL PROPERTY FOR STEEL TBTEMP,0 TBDATA,1,86000,1.0E4 ALPHA = -5.0 RIN...

here is my input file for ANSYS 5.6 I want to simulate a large deformation for a slice, which glids on a cylindrical plan. The Bilinear behavior is used as material characteristics, and large geometrical non linearity is on. The loads are imposed displacements. In face, cause ANSYS told...

But what is the operator for keeping the first load step result, please?

Thanks a lots!

I am searching the possibilité to use the deformed shape in a load step as an original one (together with the stress field) to contiuer the next load step calculation! Any help will be appreciated!

But the imposed displacement that I want is not a uniform one

I know this command, but it is not convinient! Is it possible to treat a set of nodes at the same time? Or to apply a local rotation (on elements SOLID45)! Anyway, the element SOLID45 has only UX UY UZ as DOF.

I'd like to apply my own created imposed dislacement to a set of nodes. What is the best way to do it?