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re: thread824-202904 Hello- two quick concerns I have: 1) rotational dof incompatability b/t hexes (have 123 only rot. dof) and quads (1-5, no 6)creating problems?--does this approach necessitate an RSSCON? 2) no thru thickness stress for the quads which approximate the honeycomb facesheet. this...

Hi All-- Yes, i think that my original assumption of compound moments (bi-planar) summing to a "fictitious" corner was overly conservative--taking a rather generous radius in account gives me positive margins--also, there is a redundant load path in this weldment that I'm not counting on (more...

DF- here's a sketch of what I'm talking about--apprently it's common practive to "pullback" a weld from a corner Robhttp://files.engineering.com/getfile.aspx?folder=29ee6937-9d3e-45f3-8fa4-6109f56143a1&file=Scan001.PDF

Sure--I'll try and put something together this aft. Thanks

My question pertains to welding of a rectangular (or square) tube that is in double bending (M1 and M2). At the corners, the moment is additive, creating substantial peaking at a weld (of any type). The reason for this is that the actual throat or weld stress area is theoretically a singularity...