Buckling analysis of Functionally Graded Material (FGM) square plates using Quadrilateral Element

Functionally Graded Material in one type of material that currently gets much attention in the civil engineering field because it is claimed as the material that can resist the high-temperature environment. FGM is consist of two or more material that continuously changed along the thickness direction of the structure. FGM is often formed by ceramic at the top of the structure that can resist the high-temperature environment and metal at the bottom of the structure that flexible and can resist the mechanical load. DKMQ Element gives a good convergence behavior in a thick and a thin plate problem. The purpose of this research is to study the convergence behavior of the DKMQ element in the buckling analysis of FGM plate under uniaxial compression. The result is a critical buckling load that will be compared to the reference. The results show that the DKMQ element gives a good result for buckling analysis on the FGM plate.