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Investigation of non-stationary processes of an elastic half-space with abuilt-in elastic cylinder 带弹性圆柱体的弹性半空间非平稳过程研究
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.53
Nazila B. Rassoulova, T. M. Mahmudzade
{"title":"Investigation of non-stationary processes of an elastic half-space with a\u0000built-in elastic cylinder","authors":"Nazila B. Rassoulova, T. M. Mahmudzade","doi":"10.30546/2706-7734.43.7.2023.53","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.53","url":null,"abstract":". The process of propagation of non-stationary waves in an elastic half-space is studied, inside which a cylinder made of another linearly elastic material is embedded, on the end of which a normal impact is applied. A solution is found for the initial stages of the process, graphs of some characteristic quantities are plotted.","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72453310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mixed-type variational principle for creep problems considering theaggressiveness of external fields 考虑外场侵袭性的蠕变问题的混合型变分原理
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.70
Y. Sevdimaliyev
{"title":"Mixed-type variational principle for creep problems considering the\u0000aggressiveness of external fields","authors":"Y. Sevdimaliyev","doi":"10.30546/2706-7734.43.7.2023.70","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.70","url":null,"abstract":". A mixed type variational method for the three-dimensional theory of continuum mechanics has been developed. It is applied for the analysis of the stress-strain state (SSS) of inhomogeneous anisotropic elastoplastic bodies during creep under the action of neutron fluxes at finite deformations with consideration of damageability and diffusion. A modification of the formed and proved theorem for the case of composite material when different phase inclusions in heterogeneous medium are clearly expressed is given in the paper.","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76723116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamics of incompressible viscous fluid flow in an elastic tube ofvarying cross-section 不可压缩粘性流体在变截面弹性管内流动的动力学
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.3
Alı B. Aliyev, Kamala R. Rahimova
{"title":"Dynamics of incompressible viscous fluid flow in an elastic tube of\u0000varying cross-section","authors":"Alı B. Aliyev, Kamala R. Rahimova","doi":"10.30546/2706-7734.43.7.2023.3","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.3","url":null,"abstract":". The pulsating motion of an incompressible viscous fluid in a deformable tube is investigated. The problem is solved analytically by taking the contraction in the pipe","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89745574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonlinear feedback control of motion and power of moving sourcesduring heating of the rod 棒材加热过程中运动源和功率的非线性反馈控制
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.12
{"title":"Nonlinear feedback control of motion and power of moving sources\u0000during heating of the rod","authors":"","doi":"10.30546/2706-7734.43.7.2023.12","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.12","url":null,"abstract":"","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77260206","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determination of the stress intensity factor during longitudinaldisplacement in a composite material reinforced with unidirectionalfibers with linear cracks 带线性裂纹的单向纤维增强复合材料纵向位移应力强度因子的测定
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.43
R. K. Mekhtiev, A. K. Mekhdiev
{"title":"Determination of the stress intensity factor during longitudinal\u0000displacement in a composite material reinforced with unidirectional\u0000fibers with linear cracks","authors":"R. K. Mekhtiev, A. K. Mekhdiev","doi":"10.30546/2706-7734.43.7.2023.43","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.43","url":null,"abstract":". This article considers a double periodic cage with round plane holes filled with unstressed washers made of an isotropic elastic material, the surface of which is uniformly covered with a homogeneous film. Each fiber and medium (binder) is stretched by two biperiodic linear cracks. Each washer has a centrally located crack, the length of which is less than the diameter of the washer. The introduced stresses and their displacements are expressed by an analytical function. In the process of solving the problem, boundary conditions are set along the contour of round holes, as well as along straight cracks. Thus, on the basis of the boundary conditions, a system of linear algebraic equations is obtained. Their solution is solved by the Gauss method. In the latter case, the stress intensity factor at the crack tips is determined.","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83125194","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Academician Azat Mirzajanzade – 95
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.92
A. Mirzajanzade
{"title":"Academician Azat Mirzajanzade – 95","authors":"A. Mirzajanzade","doi":"10.30546/2706-7734.43.7.2023.92","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.92","url":null,"abstract":"","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80045655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Boundary estimates of solutions mixed boundary problems for ellipticequations with VMO coefficients 带VMO系数椭圆方程混合边界问题解的边界估计
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.84
Konul G. Suleymanova
{"title":"Boundary estimates of solutions mixed boundary problems for elliptic\u0000equations with VMO coefficients","authors":"Konul G. Suleymanova","doi":"10.30546/2706-7734.43.7.2023.84","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.84","url":null,"abstract":". In this paper we obtain generalized weighted Sobolev – Morrey estimates with weights from the Muckenhoupt class A p by establishing boundedness of several important operators in harmonic analysis such as Hardy – Littlewood operators and Calderon –Zygmund singular integral operators in generalized weighted Morrey spaces. As a consequence, a priori estimates for the weak solutions mixed boundary problem uniformly elliptic equations of higher order in generalized weighted Sobolev – Morrey spaces in a smooth bounded domain Ω ⊂ R n are obtained.","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82401530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Free vibrations of a nonhomogeneous rod-cylindrical shell-fluid system 非均匀杆-圆柱壳-流体系统的自由振动
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.62
Vusala B. Rzayeva
{"title":"Free vibrations of a nonhomogeneous rod-cylindrical shell-fluid system","authors":"Vusala B. Rzayeva","doi":"10.30546/2706-7734.43.7.2023.62","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.62","url":null,"abstract":". In the present paper, we consider free vibrations of an inhomogeneous anisotropic, fluid-contacting cylindrical shell stiffened with inhomogeneous rods. The Hamilton-Ostogradsky variational principle was used when solving the problem. It was accepted that the nonho-mogeneity of rods used in the strengthening change by the exponential law. The nonhomogenity of the cylindrical shell change by the linear law in the direction of the thickness. The fluid was accepted as ideal. Rigid contact condition between the rods and the cylindrical shell was considered. Using the contact conditions, the frequency equation was structured, the roots were found implemented by the numerical method, characteristical curves were built.","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74363293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In memory of Professor Yuri Ustinov 为了纪念尤里·乌斯季诺夫教授
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.94
{"title":"In memory of Professor Yuri Ustinov","authors":"","doi":"10.30546/2706-7734.43.7.2023.94","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.94","url":null,"abstract":"","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80278903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of a method for solving the problem of waves propagation in an elastic medium under the action of cylindrical inclusion 建立了一种求解圆柱包体作用下弹性介质中波传播问题的方法
Engineering Transactions Pub Date : 2023-01-01 DOI: 10.30546/2706-7734.43.7.2023.31
Shakir A. Mammadov, Polad M. Sadikov, Tural Sh, Mammadli
{"title":"Development of a method for solving the problem of waves propagation in an elastic medium under the action of cylindrical inclusion","authors":"Shakir A. Mammadov, Polad M. Sadikov, Tural Sh, Mammadli","doi":"10.30546/2706-7734.43.7.2023.31","DOIUrl":"https://doi.org/10.30546/2706-7734.43.7.2023.31","url":null,"abstract":". In this paper, a technique is developed for solving the problem of elastic wave propagation in a medium with a cylindrical inclusion. On the basis of the obtained theoretical solution, numerical calculations were carried out. The analysis of constructed wave graphs describing wave propagation in various rocks and soils is given.","PeriodicalId":38552,"journal":{"name":"Engineering Transactions","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86890224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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