Currently, the traditional design for each steel parts of circular stacker-reclaimer was still stay at the phase of repeat the structural analysis, design evolution and structure size re-adjustment by the designer, It can be imagined that the trival, complex and inefficient of the design.the modern design developing along with development of computer technology and widely application. Thus, It's a trend that designing the mechanical structure by using of dynamic, scientific, computerized method modern design.Byφ90m Circular Stockyard Stacker-reclaimer Main Girder for research object in this paper.A special module aggregating model building, finite element analysis, and optimum structure is achieved by secondary development of ANSYS and using the APDL. The parameterized FEM model of main girder was built by this special module. The total weight of the girder was considered as the objective function,used both subproblem approximation algorithm and first-order algorithm in ANSYS, the optimum section was achieved. Finite element modal analysis of the main girder of circular stacker-reclaimer is carried out. The inherent frequencies and vibration modes of the main girder are obtained, and the dangerous ares of the main girder are found. It providers a theoretical basis for girder design and manufacturing.Finally, The actual main girder deflection was measured on job site, verify the correctness and validity of optimizing model by comparing result of measuring and simulation. |