Investigation of the stress state and assessment of the stability of an anisogrid cylindrical shell when changing the parameters of the rib structure under static loading

Kovalchuk, M.; Burnysheva, T. V.

doi:10.31772/2712-8970-2022-23-1-81-92

Cited by 2 publications

(1 citation statement)

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“…These anisogrid structures have been successfully used in rocket technology for a long time, and now they are beginning to be mastered in aircraft construction. Algorithms for calculating and optimizing the finned structure of irregular [12] and regular [13] configurations are being developed. The number, shape, geometric parameters of elements are determined.…”

Section: Introductionmentioning

confidence: 99%

Design of a structurally optimized bioinspired structural arrangement of carbon composite fuselage of unmanned aerial vehicle based on parametric modeling

Baranovski,

Zaw

2023

E3S Web of Conf.

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Currently, the industry of unmanned aerial vehicles (UAV) is actively developing. They perform a wide range of different civilian and military tasks. Depending on the task, stringent requirements are imposed on the design, but the key ones are low weight, high strength and survivability. Satisfying these requirements will increase the payload mass and extend the life of the product. This can be ensured by the use of polymer composite materials (PCM) based on carbon fibers and new structural arrangement. This is especially true for the main element of the UAV frame –the fuselage. The work is devoted to an urgent task –the development of a new UAV composite structural layout. Structural-optimized structures are considered: bioinspired, auxetic, grid structures. A comparison of the developed options with the classical structure of the frame is carried out. A variant that exceeds the classical layout in terms of mass and strength up to 25% is selected. Main layout parameters are determined.

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Section: Introductionmentioning

confidence: 99%

Design of a structurally optimized bioinspired structural arrangement of carbon composite fuselage of unmanned aerial vehicle based on parametric modeling

Baranovski,

Zaw

2023

E3S Web of Conf.

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Selection and optimization of a promising structural power scheme for the unmanned aerial vehicle fuselage made of polymer composite materials

Baranovski

Khaing

2023

PoHEI.MB

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Fuselage is the main element of unmanned aerial vehicle, which parameters optimization could increase the structure strength and weight characteristics. Both the modern polymer composite materials with high specific characteristics and the advanced power circuits are able to assist in solving this problem. Selection and optimization of the structural power scheme of the unmanned aerial vehicle fuselage appear to be an urgent task. Structure loads under various flight and maneuver modes were analyzed. Eight fuselage structural power schemes were designed including classic, grid, auxetic and biosimilar structures. Operation of the power circuits made of carbon fiber exposed to the obtained loads was considered, and their stress-strain state was determined. Rational scheme was selected according to the minimum mass and maximum strength criteria, for which the main parameters were determined. Advantage of the promising power circuit over the classical one was shown. The results obtained are part of a comprehensive study of the promising structural power schemes made of polymer composite materials.

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Investigation of the stress state and assessment of the stability of an anisogrid cylindrical shell when changing the parameters of the rib structure under static loading

Cited by 2 publications

References 0 publications

Design of a structurally optimized bioinspired structural arrangement of carbon composite fuselage of unmanned aerial vehicle based on parametric modeling

Design of a structurally optimized bioinspired structural arrangement of carbon composite fuselage of unmanned aerial vehicle based on parametric modeling

Selection and optimization of a promising structural power scheme for the unmanned aerial vehicle fuselage made of polymer composite materials

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