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Journal of the Serbian Society for Computational Mechanics最新文献

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FLEXURAL ANALYSIS OF COMPOSITE LAMINATED BEAMS SUBJECTED TO THERMO-MECHANICAL LOADS 热-机械载荷作用下复合层合梁的弯曲分析
IF 0.4
Journal of the Serbian Society for Computational Mechanics Pub Date : 2018-10-31 DOI: 10.24874/jsscm.2018.12.01.05
S. Kulkarni, Y. Ghugal
{"title":"FLEXURAL ANALYSIS OF COMPOSITE LAMINATED BEAMS SUBJECTED TO THERMO-MECHANICAL LOADS","authors":"S. Kulkarni, Y. Ghugal","doi":"10.24874/jsscm.2018.12.01.05","DOIUrl":"https://doi.org/10.24874/jsscm.2018.12.01.05","url":null,"abstract":"The present work is concerned with the flexural analysis of single layer orthotropic, two-layer antisymmetric and three-layer symmetric laminated beams subjected to uniformly distributed thermo-mechanical loads. The thermal load is varying linearly across the thickness of laminated beams. A combination of uniformly distributed thermal load with uniformly distributed transverse mechanical load is taken into consideration for the flexural analysis of laminated beams. A sinusoidal shear deformation theory is used. The displacement field of theory consists of sinusoidal function in terms of thickness co-ordinate to include the shear deformation effect. Governing equations and boundary conditions of theory are obtained by using the principal of virtual work. The theory obviates the need of shear correction factor and satisfies the shear stress free conditions at the top and bottom of the beam. Stresses and displacements in orthotropic, antisymmetric and symmetric cross ply laminated beams are obtained by using sinusoidal shear deformation theory. The results obtained by present theory are compared with Timoshenko beam theory, classical beam theory and also with the results which are available in the literature wherever possible.","PeriodicalId":42945,"journal":{"name":"Journal of the Serbian Society for Computational Mechanics","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2018-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43548421","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: 2
LIE GROUP ANALYSIS OF SORET AND DUFOUR EFFECTS ON RADIATIVE INCLINED MAGNETIC PRESSURE-DRIVEN FLOW PAST A DARCY-FORCHHEIMER MEDIUM 辐射倾斜磁压驱动流通过DARCY-FORCHHEIMER介质的SORET和DUFOUR效应的LIE群分析
IF 0.4
Journal of the Serbian Society for Computational Mechanics Pub Date : 2018-10-31 DOI: 10.24874/JSSCM.2018.12.01.08
S. Salawu, M. Dada
{"title":"LIE GROUP ANALYSIS OF SORET AND DUFOUR EFFECTS ON RADIATIVE INCLINED MAGNETIC PRESSURE-DRIVEN FLOW PAST A DARCY-FORCHHEIMER MEDIUM","authors":"S. Salawu, M. Dada","doi":"10.24874/JSSCM.2018.12.01.08","DOIUrl":"https://doi.org/10.24874/JSSCM.2018.12.01.08","url":null,"abstract":"The study examines Soret and Dufour effects on steady convective heat and mass transfer of magnetohydrodynamic (MHD) pressure-driven flow in a Darcy-forchheimer porous medium with inclined uniform magnetic field and thermal radiation. The governing partial differential equations of the model are reduced to a system of coupled non-linear ordinary differential equations by applying a Lie group of transformations. The resulting coupled differential equations are solved using weighted residual method (WRM). The results obtained are presented graphically to illustrate the influence of various fluid parameters on the dimensionless velocity, pressure drop, temperature and concentration. Finally, the effects of Skin friction, Nusselt and Sherwood numbers results are presented and discussed accordingly. Keyword: Soret; Dufour; radiation; Darcy-forchheimer; weighted residual method","PeriodicalId":42945,"journal":{"name":"Journal of the Serbian Society for Computational Mechanics","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2018-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45091707","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: 17
AN IMPROVED NODAL ORDERING FOR REDUCING THE BANDWIDTH IN FEM 一种改进的节点排序方法以减少有限元中的带宽
IF 0.4
Journal of the Serbian Society for Computational Mechanics Pub Date : 2018-10-31 DOI: 10.24874/jsscm.2018.12.01.09
Azam Mohseni, H. Moslemi, M. R. Seddighian
{"title":"AN IMPROVED NODAL ORDERING FOR REDUCING THE BANDWIDTH IN FEM","authors":"Azam Mohseni, H. Moslemi, M. R. Seddighian","doi":"10.24874/jsscm.2018.12.01.09","DOIUrl":"https://doi.org/10.24874/jsscm.2018.12.01.09","url":null,"abstract":"In finite element method, reducing the bandwidth of sparse symmetric matrices plays a key role to have an efficient solution. This problem can be simulated as a vertex numbering problem on a graph, where each edge represents two connected nodes in finite element mesh. In this paper, a new algorithm is proposed for a nodal ordering of the standard and randomly structured graphs to reduce the bandwidth of sparse symmetric matrices. A fast search algorithm for the location of pseudo-peripheral nodes is presented. This algorithm results in a bandwidth smaller than or equal to some existing algorithms such as the Cuthill–Mckee (CM) and the modified Gibbs–Poole– Stockmeyer (MGPS). With this approach, the bandwidth is reduced in more than 50% of instances of benchmark tests compared with the outcomes of the existing algorithms.","PeriodicalId":42945,"journal":{"name":"Journal of the Serbian Society for Computational Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2018-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69034532","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
PHOTOELATICITY AND ITS APPLICATION TO STRUCTURAL ANALYSIS. A REVIEW BASED ON PROFESSOR VLATKO BRČIĆ ACHIEVEMENTS 光弹性及其在结构分析中的应用。基于vlatko教授brČiĆ成就的评论
IF 0.4
Journal of the Serbian Society for Computational Mechanics Pub Date : 2018-10-31 DOI: 10.24874/JSSCM.2018.12.01.10
K. Hedrih, Stepa Paunović
{"title":"PHOTOELATICITY AND ITS APPLICATION TO STRUCTURAL ANALYSIS. A REVIEW BASED ON PROFESSOR VLATKO BRČIĆ ACHIEVEMENTS","authors":"K. Hedrih, Stepa Paunović","doi":"10.24874/JSSCM.2018.12.01.10","DOIUrl":"https://doi.org/10.24874/JSSCM.2018.12.01.10","url":null,"abstract":"Professor Vlatko Brčić was a very prominent scientist-theoretician, researcher and engineer, and he had a profound scientific influence on the development of civil engineering and stress analysis of civil engineering structures in the Western Balkans. This paper presents a brief overview of the scientific results and engineering activity of prof. Brčić, as well as a report on his research regarding the improvement and application of the photoelasticity method in stress state analysis of various engineering structures, while the results and influence of his work are discussed in more detail.","PeriodicalId":42945,"journal":{"name":"Journal of the Serbian Society for Computational Mechanics","volume":" ","pages":""},"PeriodicalIF":0.4,"publicationDate":"2018-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45719439","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: 1
Extension of the composite smeared finite element (CSFE) to include lymphatic system in modeling mass transport in capillary systems and biological tissue. 扩展了复合涂抹有限元(CSFE)，将淋巴系统包括在毛细管系统和生物组织的质量传输模型中。
IF 0.4
Journal of the Serbian Society for Computational Mechanics Pub Date : 2017-01-01 DOI: 10.24874/jsscm.2017.11.02.09
Milos Kojic, Miljan Milosevic, Vladimir Simic, Eugene J Koay, Nikola Kojic, Arturas Ziemys, Mauro Ferrari
{"title":"Extension of the composite smeared finite element (CSFE) to include lymphatic system in modeling mass transport in capillary systems and biological tissue.","authors":"Milos Kojic, Miljan Milosevic, Vladimir Simic, Eugene J Koay, Nikola Kojic, Arturas Ziemys, Mauro Ferrari","doi":"10.24874/jsscm.2017.11.02.09","DOIUrl":"10.24874/jsscm.2017.11.02.09","url":null,"abstract":"<p><p>We have recently introduced a composite smeared finite element (CSFE) to model gradient-driven mass transport in biological tissue. The transport from capillary system is smeared in a way to transform 1D transport to a continuum, while the tissue is considered as a continuum. Coupling between the smeared pressure and concentration field is achieved through 1D connectivity elements assigned at each FE node. Here we extend our smeared model to include the lymphatic system. The lymphatic vessels are treated in a way analogous to the capillaries, by introducing the corresponding Darcy and diffusion tensors. New connectivity elements are added. In the numerical examples we demonstrate accuracy of the smeared model and the effects of the lymph on the pressure and concentration within extracellular space are evaluated, assuming that there is no transport to the cell space.</p>","PeriodicalId":42945,"journal":{"name":"Journal of the Serbian Society for Computational Mechanics","volume":"11 2","pages":"108-119"},"PeriodicalIF":0.4,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5957499/pdf/nihms961579.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40437449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Mechanical and electro-mechanical box cochlea model 机械和机电箱耳蜗模型
IF 0.4
Journal of the Serbian Society for Computational Mechanics Pub Date : 2014-01-01 DOI: 10.5937/JSSCM1402029N
Milica G. Nikolić, V. Isailović, D. Nikolić, I. Šaveljić, Z. Milosevic, Milos D. Radovic, S. Semmelbauer, F. Böhnke, N. Filipovic
{"title":"Mechanical and electro-mechanical box cochlea model","authors":"Milica G. Nikolić, V. Isailović, D. Nikolić, I. Šaveljić, Z. Milosevic, Milos D. Radovic, S. Semmelbauer, F. Böhnke, N. Filipovic","doi":"10.5937/JSSCM1402029N","DOIUrl":"https://doi.org/10.5937/JSSCM1402029N","url":null,"abstract":"The cochlea is the most important part of the hearing system, due to the fact that it receives sound in the form of vibrations and converts these vibrations into nerve impulses in the organ of Corti that sends information about sounds to the brain. Functioning of the cochlea components and behavior is still not investigated completely because of its complex structure. Human live cochlea is placed in almost inaccessible place. Because of that it is hard to collect experimental measurement. Cochlea works as an electro–mechanical system and it is important to investigate both electrical and mechanical behavior of the cochlea in order to improve treatment of hearing disorders. This study presents a mechanical model of the uncoiled cochlea using full 3D 8-noded finite elements, as well the electro–mechanical 1D state–space model of the cochlea. The results obtained from these two cochlea models show good matching with Greenwood function and properly simulate the behavior of the cochlea.","PeriodicalId":42945,"journal":{"name":"Journal of the Serbian Society for Computational Mechanics","volume":"CE-31 1","pages":"29-37"},"PeriodicalIF":0.4,"publicationDate":"2014-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84571942","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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