HI EVERYBODY
I AM MODELING A CONTLIVER BEAM WITH BOX SECTION USING SHELL S4R ELEMENT. INPUT CAN BE SEEN IN THE ATTACHEMENT. i DO NOT KNOW WHY THE RESULTS IS NOT SIMILAR TO THE ANALITICAL RESULTS AT THE YEILD POINT. I MEAN THE RELATION BETWEEN DELTA AND P MUST BE DELTA= PL^3/3EI BUT ITS NOT...