Research status and prospects of free-form surface modeling theory for CAD, CAE and CAMFeiyan HAN, Yipeng ZHAO, Baohai WU, Ying ZHANG, Manzhi YANG and Chuanwei ZHANGJNWPU, 43 5 (2025) 1041-1054DOI: https://doi.org/10.1051/jnwpu/20254351041