SHAPE OPTIMIZATION THROUGH PARAMETERIC DESIGN METHODS USING CAD SOFTWARE

THE PRESENT PAPER ANALYZES TWO OPTIMIZATION VARIANTS OF A TRICYCLE METAL FRAME. THE INTEGRATION OF THE PARAMETRIC DESIGN IS TREATED THROUGH THE OPTIMIZATION OF AN EXISTING METAL STRUCTURE BY APPLYING THE VORONOI DIAGRAM AND THE SHAPE GENERATOR. BOTH VARIANTS ARE BASED ON A FREE CELLULAR FORM THAT ONLY MEETS THE CRITERIA OF FUNCTIONALITY AND PRESELECTED RESISTANCE, THE REMAINDER BEING DEDUCED BY ANALOGY. THE REQUIREMENT FOR SUCH OPTIMIZATIONS STEMS FROM THE NEED TO ACHIEVE A C ONCEPT THAT FULFILLS THE SAME FUNCTIONS AS A PRODUCT DESIGNED USING CLASSICAL DESIGN METHODS, BUT UNLIKE THESE, IT REDUCES THE AMOUNT OF MATERIAL AND IT RESULTS IN BETTER STRENGTH, A PROCESS BY WHICH THE PRODUCT OBTAINS A FINAL ORGANIC FORM. IN THE FIRST STAGE THE FORCES ACTING ON THE TRICYCLE FRAME WILL BE STUDIED IN ORDER TO GENERATE THE NECESSARY CONDITIONS FOR STABILITY, STRENGTH AND FUNCTIONALITY OF THE WHOLE SYSTEM. ONCE THESE ARE ESTABLISHED, THE FRAME WILL BE OPTIMIZED BY APPLYING THE VORONOI DIAGRAM AND THE SHAPE GENERATOR USING THE INVENTOR PROGRAM

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