iipp publishingJournal of Applied Engineering Science

SAGS AND FREQUENCIES OF NATURAL OSCILLATIONS OF COMPOSITE TWO-LAYER ISOTROPIC PLATES IN CASE OF CHANGE OF THICKNESS OF ONE OF THE LAYERS


DOI: 10.5937/jaes16-15297
This is an open access article distributed under the CC BY-NC-ND 4.0 terms and conditions. 
Creative Commons License

Volume 16 article 547 pages: 410 - 415

Turkov Andrey
Orel State University, Russian Federation

Abashina Natalia
Orel State University, Russian Federation

The article presents the results of a research of a composite isotropic two-layer plate of a square outline. We conduct the research for a number of plates with the variable thickness of layers and different conditions of fixing: pivotally supported and rigidly jammed on a circuit. By results of numerical researches we define the maximum sag of W0 from action of a static load and the frequency of natural cross oscillations ω of composite plates. By the results we define the proportionality coefficient K in a formula of the prof. V. I. Korobko. By the results of researches we construct the diagrams of change of the maximum sag and frequency of natural oscillations in case of change of thickness of layers of a composite plate.

View article

Rzhanitsyn A. (1976) Raschet sostavnyh plastinok s absolyutno zhestkim i poperechnymi svyazyami [Calculation of composite plates with absolutely tight cross couplings]. Researches on the theory of con­structions, issue XXII, M.: Stroyizdat, pp. 120-133. (in Russian)

Rzhanitsyn A. (1986) Sostavnyesterzhniiplastinki [Composite rods and plates]. Moscow: Stroyizdat, 316 p. (in Russian)

Korobko V.I. (1989) Ob odnoj “zamechatel'noj” za­konomernosti v teorii uprugih plastinok [About one “remarkable” regularity in the theory of elastic plates]. The news of higher education institutions. Construc­tion and architecture, no. 11. pp. 32-36. (in Russian)

Korobko V., Korobko A. (2010) Stroitel'naya mekhan­ika plastinok: Tekhnicheskaya teoriya [Construction mechanics of plates: Technical theory]. Moscow: publishing house “Spektr”, 410 p. (in Russian)

Marfin K. (2015) Vzaimosvyaz' maksimal'nyh progi­bov isobstvennyh chastot poperechnyh kolebanij sostavnyh plastin na podatlivyh svyazyah [Correla­tion of the maximum sags and natural frequencies of cross oscillations of composite plates on pliable communications]. Candidate thesis for in Engineer­ing Sciences, Orel, 150 p. (in Russian)

Turkov A. (2008) Vzaimosvyaz' zadach dinamiki I statiki sploshnyh I sostavnyh derevyannyh konstruk­cij [Correlation of tasks of dynamics and statics of continuous and composite wooden constructions]. Doctoral thesis in Engineering Sciences, Orel, 386 p. (in Russian)

Turkov A., Marfin K. (2011) Progiby I chastity sob­stvenny hkolebanij sostavnyh kvadratnyh izotro­pnyh plastin s razlichnymi granichnymi usloviyami pri izmenenii zhestkosti svyazej sdviga [Deflections and frequencies of natural oscillations of composite square isotropic plates with different boundary con­ditions in case of change of rigidness of shift bind­ings]. Construction and reconstruction, Orel: FSBEE HPE “State University – UNPC”, no. 4, pp. 38-42. (in Russian)

Turkov A., Marfin K. (2011) Tochnost' rezul'tatov chislennyh issledovanij kvadratnyh sostavnyh izotro­pnyh plastin na podatlivyh svyazyah pri razlichnom kolichestve konechnyh ehlementov [The accuracy of results of numerical researches of square composite isotropic plates on pliable bindings in case of differ­ent quantity of terminal elements]. Construction and reconstruction, Orel: FSBEE HPE “State University – UNPC”, no.6, pp. 43-49. (in Russian)

Turkov A., Marfin K. (2013) Issledovanie progibov i chastot sobstvennyh kolebanij kruglyh transtropnyh plastin [The study of deflections and frequencies of natural oscillations of round transversely isotropic plates]. News of higher educational institutions. For­est journal, no. 4, pp. 66-71. (in Russian)

Turkov A., Marfin K. (2014) Metodika provedeniya ehksperimenta dlya staticheskogo i dinamicheskogo ispytaniya izotropnyh sostavnyh plastin na podat­livyh svyazyah [The procedure of carrying out an ex­periment for static and dynamic test of the isotropic composite plates on pliable bindings]. Construction and reconstruction, no. 4, pp. 31-36. (in Russian)

Turkov A., Marfin K. (2015) Eksperimental'nye issle­dovaniya sostavnyh kruglyh plastin na dinamiches­kie I staticheskie nagruzki [The pilot studies of com­posite circular plates for dynamic and static loads]. Construction and reconstruction, no. 3, pp. 60-66. (in Russian)Marfin K. (2015) Vzaimosvyaz' maksi­mal'nyh progibov isobstvennyh chastot poperechnyh kolebanij sostavnyh plastin na podatlivyh svyazyah [Correlation of the maximum sags and natural fre­quencies of cross oscillations of composite plates on pliable communications]. The thesis for a degree of Candidate of Technical Sciences, Orel, 150 p. (in Russian)

Turkov A., Karpova E. (2015) Issledovanie koehffi­cienta zhyostkosti dlya treugol'noj sostavnoj izotro­pnoj plastiny v zavisimosti ot eyo osnovnoj chastity kolebanij pri raznoj zhyostkosti svyazej sdviga [The study of a seam stiffness coefficient for a triangular composite isotropic plate depending on its basic fre­quency of oscillations in case of different rigidness of shift bindings]. Construction mechanics and calcula­tion of constructions, no. 2, pp. 66-69. (in Russian)

Turkov A., Abashina N., Karpova E. (2016) Progiby i chastity sobstvennyh kolebanij sostavnyh rombi­cheskih izotropnyh plastin, sharnirnoopyortyh po konturu pri izmenenii zhyostkosti svyazej sdviga [Deflections and frequencies of natural oscillations of composite rhombic isotropic plates pivotally sup­ported on a circuit in case of change of rigidness of shift bindings]. Construction and

Semenov A., Gabitov A. (2005) Proektno-vychisli­tel'nyjkompleks SCAD v uchebnomprocesse. Chast' I. Staticheskijraschet [The SCAD project computer system in educational process. Part I. Static calcu­lation]. Moscow: ASV publishing house, 152 p. (in Russian)