https://forums.autodesk.com/t5/robot-structural-analysis-forum/link-matlab-robot-structural-analysis/m-p/5640708#M64884 <P>Thanks!!</P><P>I don't like to develop a software from excel because I want to calculate de joint and the efect of the semirigid joint in the frame in order to optimizate the structure.&nbsp; Are you sure is this posible? define the joints (diameters of bolts,. plates...etc), section of beams columns,, check the joint in RSA and columns all together in one step from VB?</P><P>&nbsp;</P><P>Cheers</P> Mon, 18 May 2015 23:09:46 GMT Anonymous 2015-05-18T23:09:46Z