Abstract
The analysis of aircraft design methods reported here has revealed that building a competitive aircraft necessitates devising a scientifically based concept of integrated aircraft design employing CAD/CAM/CAE/PLM software suites. A generalized concept of integrated design and three-dimensional computer modeling of aircraft involving the CAD/CAM/CAE/PLM systems has been developed. Based on the proposed concept, the principles of integrated design of aircraft were devised. The features of designing the training and training-combat aircraft, transport-category aircraft, light civilian aircraft have been described. A method for determining the take-off weight, design parameters, and formation of the general appearance of aircraft has been improved. The method is intended to form the appearance of the aircraft at the stages of preliminary design, the purpose of which is reduced to determining the permissible version of the aircraft project. The project must meet the predefined requirements and restrictions in the selected aircraft scheme and the assigned set of parameters that characterize its airframe and power plant. A method of parametric modeling of aircraft has been improved, which includes the stages of creating a master geometry of the aircraft and a model of space distribution. Parametric models of master geometry and models of space distribution, training and training-combat aircraft, transport-category aircraft, light civilian aircraft have been constructed. Methods of integrated design of aircraft main units have been devised and theoretically substantiated. Parametric models of master geometry of the wing for a training aircraft, the wings, appendage, and fuselage of a light civilian aircraft were built, taking into consideration the design features of aircraft units of various categories
Highlights
The process of aircraft design includes the preparation of technical documentation that ensures the possibility of industrial production of a new competitive aircraft and its modifications, which meets the specified requirements and allows its reliable operation under the predefined conditions
Conclusions and design other technological processes. The module makes it possible to organize the design in automatic mode of the
We have improved the methods for calculating the takeoff mass and determining the geometrical parameters of aircraft of different categories at the stage of preliminary design
Summary
The process of aircraft design includes the preparation of technical documentation that ensures the possibility of industrial production of a new competitive aircraft and its modifications, which meets the specified requirements and allows its reliable operation under the predefined conditions. Mainwas based on two-dimensional models and did not take into taining competitiveness in the market of modern aviation consideration some design features Those features included equipment requires reducing the design time and launching new types of connections, fasteners, new technologies for their new aircraft in mass production, reducing the cost of their installation, assembly methods, the effect of preloading on the development and operation. To this end, it is necessary to characteristics of the local stressed-strained state (SSS) and fa- devise new and improve the existing principles and methods tigue resistance. It is this stage of the project life cycle that is most important for research
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