Thermodynamical aspects of relativistic hydrodynamics in f (R, G) gravity

We present investigation devoted to the dynamical study of relativistic hydrodynamics with some thermodynamical characteristics in f (R, G) gravity towards spatially homogeneous isotropic cosmological model filled with isotropic fluid. We govern the features of the derived cosmological model by considering the power-law inflation for the average scale factor. The temperature and entropy density of the proposed model are positive definite. We also discuss the energy conditions to our solutions. The strong energy condition violated, which indicates the accelerated expansion of the proposed model.