TY - Front. Mech. Eng. A1 - Xianda XIE, Shuting WANG, Ming YE, Zhaohui XIA, Wei ZHAO, Ning JIANG, Manman XU T1 - Isogeometric topology optimization based on energy penalization for symmetric structure Y1 - 2020-03-15 JF - Frontiers of Mechanical Engineering JO - Front. Mech. Eng. SP - 100 EP - 122 VL - 15 IS - 1 UR - https://journal.hep.com.cn/fme N1 - 10.1007/s11465-019-0568-4 ER -