Comparative Analysis of the Selection of Lay-Up Stacking of Polymer Composite Load-Bearing Elements for the Tail Section of Fuselage Structure of the Light Aircraft

Htet, Tun Lin; Prosuntsov, P. V.

doi:10.1051/matecconf/202134603111

Cited by 2 publications

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References 1 publication

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“…It was assumed that the length and width of the plate are 1m, and the thicknesses of all layers are equal. To determine the characteristics of the laminate, the orientation of multi-layered composite ribs of the fuselage structure, obtained using the parametric optimization method in the work [18][19][20], were used (table.7).…”

Section: Computational and Theoretical Determination Of The Physical ...mentioning

confidence: 99%

Comparative analysis of methods for calculating the physico-mechanical characteristics of multi-layered composite materials

Htet

Prosuntsov²

2023

E3S Web of Conf.

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The paper presents a comparative analysis of methods and results of calculating the physical and mechanical characteristics of single-layered and multi-layered polymer composite materials (PCM). The object of the study is a polymer composite which consists of epoxy binder and carbon fiber reinforcements. The principle of multiscale modelling is applied to determine the physical and mechanical characteristics of the composite. Within the framework of this study, a representative volume element (RVE), the structure of which corresponds the characteristics of real materials, is used. The initial data for the calculation in this case are physical and mechanical characteristics of anisotropic fibers (carbon fabric) and an isotropic binder, as well as the geometric model of the RVE. As a result of the calculation, the effective characteristics of a quasi-homogeneous anisotropic material suitable for numerical analysis of the composite structures are determined. A comparison of the results of determining the physical and mechanical characteristics of the polymer composite using ANSYS Material Designer and MSC Digimat software packages for various size of RVE model is carried out and ANSYS Workbench software is also used to perform the stress-strain conditions of RVE model to determine the physico-mechanical characteristics of polymer composites.

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Section: Computational and Theoretical Determination Of The Physical ...mentioning

confidence: 99%

Comparative analysis of methods for calculating the physico-mechanical characteristics of multi-layered composite materials

Htet

Prosuntsov²

2023

E3S Web of Conf.

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Method of designing the composite load-bearing elements of the fuselage tail section

Tun

Prosuntsov

2023

PoHEI.MB

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The paper considers the method of designing the power set of the DA-62 aircraft tail section, which includes the stages of determining loads acting on the tail section, selecting position, shape and structure of the power elements, characteristics of the composite materials, from which they were made. The design process took into account simultaneous effect of aerodynamic and mass-inertial loads on the aircraft structure during various maneuvers. A feature of the method to determine geometric dimensions and shape of frames is introducing a combination of parametric and topological optimization techniques. To increase the structure weight efficiency, the problem of optimizing the scheme for laying the polymer composite material was solved. Physical and mechanical characteristics of the composite materials were determined by theoretical calculation using the multi-scale simulation principle.

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Comparative Analysis of the Selection of Lay-Up Stacking of Polymer Composite Load-Bearing Elements for the Tail Section of Fuselage Structure of the Light Aircraft

Cited by 2 publications

References 1 publication

Comparative analysis of methods for calculating the physico-mechanical characteristics of multi-layered composite materials

Comparative analysis of methods for calculating the physico-mechanical characteristics of multi-layered composite materials

Method of designing the composite load-bearing elements of the fuselage tail section

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