Augmented Lagrangian method for imposing nonlinear multi freedom constraints in static analysis for frames using FEMVu Thi Bich Quyen, Dao Ngoc Tien, Tran Thi Thuy Van and Pham Van DatE3S Web Conf., 281 (2021) 01010DOI: https://doi.org/10.1051/e3sconf/202128101010