Struts hold things up.

dimensions: l x b x a

stress due to curving with radius of curvature, R.

tex2html_wrap110

Energy stored is tex2html_wrap111 .

Force to bend = tex2html_wrap112 . This means tex2html_wrap113

Buckle at tex2html_wrap114 . tex2html_wrap115 .


source psfile jl@crush.caltech.edu index