The effect of internal connections on the stress of composite beam structures

Today, composite structures are widely applied in many fields of science, engineering and life because of their outstanding advantages. However, when using composite structures, the design calculation process will be more complicated, so the finite element method is used quite commonly when calculating composite structures. In structures subject to flexural loads, composite beams are used quite commonly, with changing the shape of beam cross-sections and even using composite materials with high efficiency. In this paper, we investigate the influence of internal connections in the load-bearing structure on the stress on the beams, and a flexural double cantilevered beam problem model is built to describe that effect.