Geometrically nonlinear buckling analysis of truss with length imperfection subjected to mechanical and thermal load using hybrid FEMQuyen Vu Thi Bich, Tien Dao Ngoc and Van Tran Thi ThuyE3S Web of Conf., 410 (2023) 03003DOI: https://doi.org/10.1051/e3sconf/202341003003