I am applying an initial stress field to a welded skin-stringer panel and I am having a problem with initial stresses which are at the yield stress. If I apply a stress such as this:
*INITIAL CONDITIONS, TYPE=STRESS
STWELDRS, 43290,
STR_WELD, -15678,
STR_WEB, -15678,
PAD_WELD, , 43079...