A numerical study is reported here to investigate the drying of saturated deformable porous rectangular plate based on the Darcy-Brinkman extended model. All walls of the plate are maintained to a convective heat flux as well as the top and bottom faces are also subjected to a mass flux. The model for the energy transport is based on the local thermodynamic equilibrium between the fluid and the solid phases. The lattice Boltzmann method is used for solving the governing differential equations system. A comprehensive analysis of the influence of the Poisson's coefficient, the Young's modulus and the permeability on macroscopic fields is investigated throughout this work.