Hygrothermal postbuckling analysis of smart multiscale piezoelectric composite shells Mahsa karimiasl, Farzad Ebrahimi and Vinyas Mahesh Eur. Phys. J. Plus, 135 2 (2020) 242 Published online: 10 February 2020 DOI: 10.1140/epjp/s13360-020-00137-w