Abstract
Based on optimality criterion method, proportional and differential optimality criterion(PDOC)method is proposed and applied in topology optimization design. Since the phenomenon of low efficiency and overshoot caused by the uncertain deviation, this method introduces the proportional and differential control to improve the iteration operator, and constructs more reasonable iteration formula to accelerate the convergence. A new algorithm is utilized to calculate the density distribution of new material, so the trend of deviation can be predicted and corrected in advance. Finally, experiment results indicate that PDOC method is feasible and efficient.
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