hi all,i need your help
i am simulating a (3D Model )sheet bending process with a V shape bending BASE and punch, a packing PLA material also use to protect the impression of Base on sheet.
i required
1: stress strain values (in packing material) while "ONE" sheet bend at 90 degree
2: after how many number of sheet bending the packing material will damaged or not work efficiently.
the load is a apply due to punch travel in U2 direction , mean displacement base in baoundry condition, i do not give "Load" separately
The problem is
when i use "Static General" or " Dynamic Implicit" it give following warnings
1>>>>For *tie pair (assembly__pickedsurf15-assembly__pickedsurf14), adjusted nodes with very small adjustments were not printed. Specify *preprint,model=yes for complete printout.
2>>>>There are 2 unconnected regions in the model.
3>>>>The strain increment has exceeded fifty times the strain to cause first yield at 937 points
and after long time run the analysis aborted with error
"to many increments......."
or mostly laptop automatically shutdown.
when i use "Dynamic explicit " (all other remaining are parameters same) the sheet bending shows a wavy behavior not exact 90 degree which I required,