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Journal of Theoretical and Applied Mechanics最新文献

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PROPERTIES OF A NOISE BARRIER WITH CONTROLLED DIFFRACTION AT THE EDGE 边缘衍射可控的噪声阻挡层的特性
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-09 DOI: 10.55787/jtams.23.53.2.152
{"title":"PROPERTIES OF A NOISE BARRIER WITH CONTROLLED DIFFRACTION AT THE EDGE","authors":"","doi":"10.55787/jtams.23.53.2.152","DOIUrl":"https://doi.org/10.55787/jtams.23.53.2.152","url":null,"abstract":"","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85519824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
CREEP CHARACTERISTICS OF POLYESTER COMPOSITES WITH NATURAL FIBER REINFORCEMENT (HORSE HAIR/SHEEP WOOL) 天然纤维增强聚酯复合材料(马毛/羊毛)的蠕变特性
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-09 DOI: 10.55787/jtams.23.53.2.136
{"title":"CREEP CHARACTERISTICS OF POLYESTER COMPOSITES WITH NATURAL FIBER REINFORCEMENT (HORSE HAIR/SHEEP WOOL)","authors":"","doi":"10.55787/jtams.23.53.2.136","DOIUrl":"https://doi.org/10.55787/jtams.23.53.2.136","url":null,"abstract":"","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"69 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82554303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SPATIAL BEHAVIOUR IN MICROSTRETCH ELASTICITY WITH MASS AND THERMAL DIFFUSION 具有质量和热扩散的微拉伸弹性的空间行为
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-09 DOI: 10.55787/jtams.23.53.2.116
{"title":"SPATIAL BEHAVIOUR IN MICROSTRETCH ELASTICITY WITH MASS AND THERMAL DIFFUSION","authors":"","doi":"10.55787/jtams.23.53.2.116","DOIUrl":"https://doi.org/10.55787/jtams.23.53.2.116","url":null,"abstract":"","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"3 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79165496","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
THERMAL STABILITY ANALYSIS OF FUNCTIONALLY GRADED NANO BEAMS BASED ON HIGHER ORDER SHEAR DEFORMATION THEORY WITH TWO VARIABLES 基于两变量高阶剪切变形理论的功能梯度纳米梁热稳定性分析
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-09 DOI: 10.55787/jtams.23.53.2.166
{"title":"THERMAL STABILITY ANALYSIS OF FUNCTIONALLY GRADED NANO BEAMS BASED ON HIGHER ORDER SHEAR DEFORMATION THEORY WITH TWO VARIABLES","authors":"","doi":"10.55787/jtams.23.53.2.166","DOIUrl":"https://doi.org/10.55787/jtams.23.53.2.166","url":null,"abstract":"","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"13 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81919171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
DELAMINATION OF MULTILAYERED BEAMS WITH NON-LINEAR VISCOELASTIC BEHAVIOUR UNDER STRAINS OF STEP-LIKE VARYING VELOCITY 阶梯变速度应变下非线性粘弹性多层梁的分层
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-09 DOI: 10.55787/jtams.23.53.2.099
{"title":"DELAMINATION OF MULTILAYERED BEAMS WITH NON-LINEAR VISCOELASTIC BEHAVIOUR UNDER STRAINS OF STEP-LIKE VARYING VELOCITY","authors":"","doi":"10.55787/jtams.23.53.2.099","DOIUrl":"https://doi.org/10.55787/jtams.23.53.2.099","url":null,"abstract":"","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"5 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82186762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SINGLE SPERMATOZOON HEAD TRACKING FOR ROBOTIC INTRACYTOPLASMIC SPERM INJECTION (ICSI) 单精子头部跟踪用于机器人胞浆内单精子注射(icsi)
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-09 DOI: 10.55787/jtams.23.53.2.182
{"title":"SINGLE SPERMATOZOON HEAD TRACKING FOR ROBOTIC INTRACYTOPLASMIC SPERM INJECTION (ICSI)","authors":"","doi":"10.55787/jtams.23.53.2.182","DOIUrl":"https://doi.org/10.55787/jtams.23.53.2.182","url":null,"abstract":"","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"28 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82421785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recognition of pick wear condition based on Grey-Markov chain model 基于灰色马尔可夫链模型的镐齿磨损状态识别
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-03 DOI: 10.15632/jtam-pl/161683
Q. Zhang, Jiayao Zhang
{"title":"Recognition of pick wear condition based on Grey-Markov chain model","authors":"Q. Zhang, Jiayao Zhang","doi":"10.15632/jtam-pl/161683","DOIUrl":"https://doi.org/10.15632/jtam-pl/161683","url":null,"abstract":"An attempt is made in this paper to solve the pick wear problem of mining machinery and propose a pick wear degradation model based on the Grey-Markov chain by using generated characteristics signals and certain pick wear parameters to enhance the prediction accuracy. The vibration and acoustic emission signals generated during the catting pick are extracted and analyzed. The energy and the value of the characteristic signal are obtained by wavelet analysis to construct a characteristic sample library of the signals. Two kinds of signals are applied to the model to analyze the error between the real and the predicted values. The model prediction results demonstrate a 1.43% error of the vibration signal, 1.64% error of the acoustic emission signal with 98% prediction accuracy, thus offers a new method for monitoring the pick wear of mining machinery.","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"7 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88428134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the deformation of porous spherical bodies under radial surface traction 径向表面牵引作用下多孔球体的变形研究
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-03 DOI: 10.15632/jtam-pl/161477
S. De Cicco
{"title":"On the deformation of porous spherical bodies under radial surface traction","authors":"S. De Cicco","doi":"10.15632/jtam-pl/161477","DOIUrl":"https://doi.org/10.15632/jtam-pl/161477","url":null,"abstract":"The paper deals with the linear theory of elastic materials with voids based on the concept of volume fraction. In this model, the interstitial pores are vacuous and can contract or stretch. The change in the volume fraction is measured by a scalar function, so that independent kinematical variables are four: the components of displacements and the volume fraction function. The equilibrium problem of elastic spherical bodies under radial surface traction is solved. The solution is given in closed form and applied to study three special cases. Explicit formulas of the displacement, stress distribution and volume fraction function are given.","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"2 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82702577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of dynamic characteristics of an experimental bench of high-pressure water fracturing assisted cutting 高压水压裂辅助切削试验台动态特性分析
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-04-03 DOI: 10.15632/jtam-pl/161478
Zhiming Liu, Qiang Zhang, Yuliang Sun, Junming Liu
{"title":"Analysis of dynamic characteristics of an experimental bench of high-pressure water fracturing assisted cutting","authors":"Zhiming Liu, Qiang Zhang, Yuliang Sun, Junming Liu","doi":"10.15632/jtam-pl/161478","DOIUrl":"https://doi.org/10.15632/jtam-pl/161478","url":null,"abstract":"Aiming at the problem that the cutting efficiency of a drum shearer is low when mining hard coal seams, an experimental bench of high-pressure water fracturing assisted cutting is designed. Compared with normal ones, the maximum equivalent stress of the improved experimental bench is reduced by 55.38%, and the maximum total deformation is reduced by 27.23%. According to the results of dynamic response analysis, it is concluded that the experimental bench of high-pressure water fracturing assisted cutting is stable and reliable under extreme working conditions, and meets design requirements for strength and stiffness.","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"39 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80832936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On viscoelastic fiber jet formation by forcespinning at high rotation rate 高转速下强旋形成粘弹性纤维射流的研究
IF 0.7 4区 工程技术
Journal of Theoretical and Applied Mechanics Pub Date : 2023-03-25 DOI: 10.15632/jtam-pl/162128
D. N. Riahi, S. Orizaga
{"title":"On viscoelastic fiber jet formation by forcespinning at high rotation rate","authors":"D. N. Riahi, S. Orizaga","doi":"10.15632/jtam-pl/162128","DOIUrl":"https://doi.org/10.15632/jtam-pl/162128","url":null,"abstract":"We consider a nonlinear three-dimensional viscoelastic fiber jet that is generated during a forcespinning process. We provide a particular case for such a rotating jet at a high rotation rate. We use a viscoelastic constitutive model for the jet equations and then applying a new slender body approach, we continue with proper scaling and perturbation technique to develop a new model for such a jet system. We find that the profiles for jet quantities versus arc length are notably different from all those in related studies reported before for either high or low rotation rates. In particular, jet radius first rapidly decreases as the arc length decreases and then reaches its macro- or nano-scale size not far away from its exit section. The present model can predict a nano-fiber jet that is entirely based on proper scaling, perturbation technique and full fluid mechanics laws and equations.","PeriodicalId":49980,"journal":{"name":"Journal of Theoretical and Applied Mechanics","volume":"79 1","pages":""},"PeriodicalIF":0.7,"publicationDate":"2023-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83771549","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","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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