%0 Journal Article %T Billion-design-variable-scale topology optimization of vehicle frame structure in multiple-load case %A Wada, Yuji %A Shimada, Tokimasa %A Nishiguchi, Koji %A Okazawa, Shigenobu %A Tsubokura, Makoto %J Proceedings of the Institution of Mechanical Engineers Part D Journal of Automobile Engineering %V 238 %N 12 %P 3863-3874 %@ 0954-4070 %D 2024-10-01 %I SAGE Publications %~ DeepDyve