@article{paperid:1104747, author = {Masoodi, Amir R.}, title = {Undamped frequency of elastically supported porous PU foam hemispherical shells reinforced with GNPs and MWCNTs using generalized Halpin–Tsai scheme}, journal = {Scientific Reports}, year = {2025}, volume = {15}, number = {1}, month = {October}, issn = {2045-2322}, keywords = {Annular hemispherical shells (AHSs); PU foam nanocomposites; Graphene nanoplatelets (GNPs) and Multi-walled carbon nanotubes (MWCNTs); Generalized differential quadrature method (GDQM); Generalized Halpin-Tasi (GHT); Two-parameter Winkler-Pasternak theory}, }