Methods of the automated aircraft configuration

Kuprikov, Mikhail Yu.; Markin, Leonid

doi:10.13111/2066-8201.2019.11.s.12

Cited by 3 publications

(3 citation statements)

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“…And move on to the Inverse Design Problem. A solution that allows you to reduce the number of design iterations and narrow the search for a rational solution in the Pareto-optimal field of aviation and mechanical engineering [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Methodology for finding the virtual center of mass of the aircraft

Kuprikov

2022

J. Phys.: Conf. Ser.

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There are types of aircraft for which the geometric shapes are primarily due to “hard” infrastructural constraints. The secondary nature of aerodynamic requirements makes it possible to deviate from the traditional design task. And move on to the Inverse Design Problem. A solution that allows you to reduce the number of design iterations and narrow the search for a rational solution in the Pareto-optimal area. These aircraft include vertical takeoff and landing aircraft. After analyzing the characteristics of moment-inertia units obtained after an analytical experiment, it shows that the introduction of a virtual center of mass makes it possible to reduce the radius of action of the inertial forces of the aircraft. A sequence of absolute advantages in terms of the moment of inertia of the nodes has been obtained, for example, a more optimal location of the target load, fuel tanks and power plant, which provides an advantage in the mass of the aircraft up to 7-8%, only due to the rational moment of inertia of the layout relative to the virtual center of mass. In an aircraft, the moment of inertia depends to the fifth power on the change in its linear size

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Section: Introductionmentioning

confidence: 99%

Methodology for finding the virtual center of mass of the aircraft

Kuprikov

2022

J. Phys.: Conf. Ser.

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“…There are quite a few scientifically grounded methods of forming the technical appearance and predicting the future values of the defining parameters of complex technical systems, which undoubtedly hinders the development of a whole class of technology; for example, airplanes are excellent and complex technical systems, which are characterized by a high density of configuration [1], but there is no algorithm for constructing the movement of heavy special equipment [2]. All this poses the task of creating highly passable and maneuverable special units of a certain carrying capacity, capable of solving problems of delivering indivisible cargo [3].…”

Section: Introductionmentioning

confidence: 99%

Multicriteria Optimization Problem for the Layout of a Complex Technical System

Yu¹

2020

IJATCSE

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The article makes an attempt to perform the process of simultaneous optimization of two or more objective functions in a given domain of definition. The task of multicriteria optimization consists in finding a vector of target variables that satisfies the imposed constraints and optimizes a vector function whose elements correspond to the target functions. These functions form a mathematical description of the satisfaction criterion and, as a rule, are mutually in conflict. This problem occurs in many areas of science and its solution can be applied to many complex mechanical assemblies and devices. Attempts to adapt existing equipment for operation in specific conditions do not allow solving the assigned tasks. The lack of scientifically grounded methods of forming the technical appearance and predicting the future values of the determining parameters hinders the development of this class of machines.

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“…The results of investigation of air-flowed supersonic models of axisymmetric solids with different configuration of the nose part are presented in [9], [10], [11]. In one of the works [12], the authors show the possibility of analyzing the flow of air-flowed supersonic models of axisymmetric solids by digital video frame processing on the basis of experiments [9]. Formulas determining the intersection point of shock waves arising from the supersonic movement of two axisymmetric solids for the case of attitude of their axes parallel to each other are also given in [12], [13].…”

Section: Introductionmentioning

confidence: 99%

Grapho-analytical Analysis of Video Frames of Supersonic Flow Around Two Solid Revolutions using the Digital Image Processing Method

Bodryshev¹,

Korzhov²,

Rabinskiy³

2020

TEM Journal

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The article is devoted to the study of the geometric laws of intersection of angle shock wave formed during supersonic flow around two axisymmetric solids. An analysis of such an experiment is given by the method of processing photographs (video frames) by the parameter of image intensity. This method allows determining with high accuracy the angle of inclination of shock waves and subsequently identifies the contact points of the shock wave with the surface of the models. The proposed approach to the geometric analysis of supersonic flow around two solids makes it possible to look differently at the interference of shock waves and evaluate the qualitative and quantitative processes that occur during their interaction.

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Methods of the automated aircraft configuration

Cited by 3 publications

References 0 publications

Methodology for finding the virtual center of mass of the aircraft

Methodology for finding the virtual center of mass of the aircraft

Multicriteria Optimization Problem for the Layout of a Complex Technical System

Grapho-analytical Analysis of Video Frames of Supersonic Flow Around Two Solid Revolutions using the Digital Image Processing Method

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