Abstract. The weight efficiency of aircraft structures is ensured by the use of three-layer composite panels due to their high specific strength and specific stiffness. The design parameters and characteristics of a hexagonal-cell honeycomb filler are considered. A method is proposed for selecting design parameters (the height of the hexagonal-cell filler and the thickness of the bearing sheaths) that ensure a minimum specific gravity during transverse bending of a three-layer composite panel. According to the proposed method, the calculation of the height of the hexagonal-cell filler and the thickness of the bearing sheaths during transverse bending of a three-layer composite panel is presented.

Keywords: three-layer panel, filler, load-bearing sheath, composite, weight efficiency, specific gravity, transverse bending

For citation: Andryushkin A. Yu., Bulygin V. V., Gubanov D. M. Selection of design parameters of three-layer composite panels with transverse bending. Aerospace Enginee¬ring and Technology. 2024. Vol. 2, no. 2, pp. 126–137. DOI 10.52467/2949-401X-2024-2-2-126-137. EDN TIGVUG (In Russian)