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The application of new materials is an important direction for automotive lightweighting. On the basis of ensuring the comprehensive performance of components, the optimization of new material structures through topology optimization methods can further improve the level of lightweight components. This paper takes the automobile frame as the research object, based on the magnesium alloy, studies the frame topology with the objective function of mass and strength under multiple workingdoi:10.17265/2161-6221/2018.3-4.002 fatcat:ijrbiwmynbbqjgvl6jff5vdeue