TY - JOUR AU - Ghorbanpour Arani, A.A AU - Niknejad, S AU - Abbasian Arani, A.A TI - Dynamic Response of Bi-Directional Functionally Graded Materials (BDFGMs) Beams Rested on Visco-Pasternak Foundation Under Periodic Axial Force JO - Journal of Solid Mechanics VL - 13 IS - 3 SP - 269 EP - 285 PY - 2021 DO - 10.22034/jsm.2020.678358 ER -