@article{
  author = {Moaddel, Mohammad, shahrooi, shahram},
  title = {Evaluating effect of material heterogeneity constants on stress intensity factors in the functional grated piezoelectric plate by using meshless local Petrov-Galerkin method (MLPG)},
  journal = {Journal of New Applied and Computational Findings in Mechanical Systems},
  year = {2021},
  volume = {1},
  number = {2},
  pages = {1-13},
  doi = {}
}