Rational design of the aerodynamic rudder structure taking into account strength, rigidity and aeroelastic stability
The paper considers a design process of an aerodynamic rudder, which structure comprises the skin of constant thickness, a load-bearing structure and a trimmed nose that plays the role of an anti-flutter balancer. The aim of the work is to set and solve the design problem of a rational structural an...
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| Format: | Article |
| Language: | Russian |
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Moscow State Technical University of Civil Aviation
2024-05-01
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| Series: | Научный вестник МГТУ ГА |
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| Online Access: | https://avia.mstuca.ru/jour/article/view/2335 |
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| author | V. N. Akimov Ya. A. Kupriyanova S. G. Parafes’ |
| author_facet | V. N. Akimov Ya. A. Kupriyanova S. G. Parafes’ |
| author_sort | V. N. Akimov |
| collection | DOAJ |
| description | The paper considers a design process of an aerodynamic rudder, which structure comprises the skin of constant thickness, a load-bearing structure and a trimmed nose that plays the role of an anti-flutter balancer. The aim of the work is to set and solve the design problem of a rational structural and technological solution of the rudder that meets the requirements of strength, rigidity, aeroelastic stability and minimum mass. To solve this problem, a design algorithm for the rudder, using topological and parametric optimization, is proposed. The main parameters of the design area and the trimmed nose required for topological optimization are determined. The ANSYS Workbench software package was used for the finite element analysis and topological optimization. Based on the results of optimization, post-processing was carried out. A structural and technological solution, that combines structural layouts with constant and variable width of the trimmed nose, was proposed. An analysis of the stress-strain state was carried out, and it was found that the designed structure meets the strength requirements for the given design case. A scheme for solving the parametric optimization problem of the rudder under the condition of aeroelastic stability is proposed. Within the framework of solving this problem, a flutter study was conducted, using a multi-mode model, which makes it possible to study the rudder and body-rudder flutter forms of an unmanned aerial vehicle (UAV) equipped with aerodynamic rudders. The results of the flutter study for the design mode of the UAV flight are obtained in the form of dependencies of the critical flutter velocity and frequency on the average width of the trimmed nose. The analysis of these dependencies allowed us to derive the optimal values of the trimmed nose parameters from the minimum weight condition for two rudder configurations: with a constant and variable width of the trimmed nose. |
| format | Article |
| id | doaj-art-dec05908b80841ecb928e6c29ecccc38 |
| institution | DOAJ |
| issn | 2079-0619 2542-0119 |
| language | Russian |
| publishDate | 2024-05-01 |
| publisher | Moscow State Technical University of Civil Aviation |
| record_format | Article |
| series | Научный вестник МГТУ ГА |
| spelling | doaj-art-dec05908b80841ecb928e6c29ecccc382025-08-20T03:23:19ZrusMoscow State Technical University of Civil AviationНаучный вестник МГТУ ГА2079-06192542-01192024-05-01272435910.26467/2079-0619-2024-27-2-43-591512Rational design of the aerodynamic rudder structure taking into account strength, rigidity and aeroelastic stabilityV. N. Akimov0Ya. A. Kupriyanova1S. G. Parafes’2Public Joint Stock Company “Dolgoprudny Research and Production Enterprise”Public Joint Stock Company “Dolgoprudny Research and Production Enterprise”Moscow Aviation Institute (National Research University)The paper considers a design process of an aerodynamic rudder, which structure comprises the skin of constant thickness, a load-bearing structure and a trimmed nose that plays the role of an anti-flutter balancer. The aim of the work is to set and solve the design problem of a rational structural and technological solution of the rudder that meets the requirements of strength, rigidity, aeroelastic stability and minimum mass. To solve this problem, a design algorithm for the rudder, using topological and parametric optimization, is proposed. The main parameters of the design area and the trimmed nose required for topological optimization are determined. The ANSYS Workbench software package was used for the finite element analysis and topological optimization. Based on the results of optimization, post-processing was carried out. A structural and technological solution, that combines structural layouts with constant and variable width of the trimmed nose, was proposed. An analysis of the stress-strain state was carried out, and it was found that the designed structure meets the strength requirements for the given design case. A scheme for solving the parametric optimization problem of the rudder under the condition of aeroelastic stability is proposed. Within the framework of solving this problem, a flutter study was conducted, using a multi-mode model, which makes it possible to study the rudder and body-rudder flutter forms of an unmanned aerial vehicle (UAV) equipped with aerodynamic rudders. The results of the flutter study for the design mode of the UAV flight are obtained in the form of dependencies of the critical flutter velocity and frequency on the average width of the trimmed nose. The analysis of these dependencies allowed us to derive the optimal values of the trimmed nose parameters from the minimum weight condition for two rudder configurations: with a constant and variable width of the trimmed nose.https://avia.mstuca.ru/jour/article/view/2335aerodynamic ruddertopological optimizationparametric optimizationrigiditystrengthaeroelastic stabilityflutter |
| spellingShingle | V. N. Akimov Ya. A. Kupriyanova S. G. Parafes’ Rational design of the aerodynamic rudder structure taking into account strength, rigidity and aeroelastic stability Научный вестник МГТУ ГА aerodynamic rudder topological optimization parametric optimization rigidity strength aeroelastic stability flutter |
| title | Rational design of the aerodynamic rudder structure taking into account strength, rigidity and aeroelastic stability |
| title_full | Rational design of the aerodynamic rudder structure taking into account strength, rigidity and aeroelastic stability |
| title_fullStr | Rational design of the aerodynamic rudder structure taking into account strength, rigidity and aeroelastic stability |
| title_full_unstemmed | Rational design of the aerodynamic rudder structure taking into account strength, rigidity and aeroelastic stability |
| title_short | Rational design of the aerodynamic rudder structure taking into account strength, rigidity and aeroelastic stability |
| title_sort | rational design of the aerodynamic rudder structure taking into account strength rigidity and aeroelastic stability |
| topic | aerodynamic rudder topological optimization parametric optimization rigidity strength aeroelastic stability flutter |
| url | https://avia.mstuca.ru/jour/article/view/2335 |
| work_keys_str_mv | AT vnakimov rationaldesignoftheaerodynamicrudderstructuretakingintoaccountstrengthrigidityandaeroelasticstability AT yaakupriyanova rationaldesignoftheaerodynamicrudderstructuretakingintoaccountstrengthrigidityandaeroelasticstability AT sgparafes rationaldesignoftheaerodynamicrudderstructuretakingintoaccountstrengthrigidityandaeroelasticstability |