Influences of magnetic environment and two moving loads on lateral and axial displacement of sandwich graphene-reinforced copper-based composite beams with soft porous core

Abstract

Today, due to the many applications of sandwich beams in industry, studying the forced vibrations of these structures is important. In these structures, amplifiers are used to improve mechanical properties. In this paper, metal-based graphene (copper) is used to improve the mechanical properties. This research uses a functionally graded (FG) graphene-reinforced copper-based composite (GRCC) sandwich beam and FG soft porous core, subjected to two moving loads and located on an elastic foundation. The equations are derived using Soldatos’ higher-order shear deformation theory in axial and transverse directions. The exact problem under the magnetic field is solved using the Laplace method, which has not been done. The advantages of this method are the simplicity of solving and reducing to zero the error percentage that exists in numerical solutions. The results are compared with previous works. Finally, the effect of various parameters such as magnetic, porosity coefficient, elastic constant, thickness ratio, and velocity of moving load on the dynamic response of the sandwich beam is investigated. It should be noted that the results can be used to construct this type of structure.

A complex solution on the dynamic response of sandwich graphene‐reinforced aluminum‐based composite beams with copper face sheets under two moving constant loads on an elastic foundation

“…Therefore, this study is important in exploring the dynamic response of a graphene‐reinforced aluminum‐based composite (GRAC) sandwich beam on an elastic foundation using an analytical solution. The investigation considers various parameters such as the percentage of graphene, the spring constant, the speed ratio, the moving load speed, and the distribution pattern 1–7 …”