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Dynamic tensile experiments of hard rubber on Instron test machine under finite deformations 硬橡胶有限变形在Instron试验机上的动态拉伸试验
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-255
P. Šulc, L. Pešek, V. Bula, P. Šnábl
{"title":"Dynamic tensile experiments of hard rubber on Instron test machine under finite deformations","authors":"P. Šulc, L. Pešek, V. Bula, P. Šnábl","doi":"10.21495/em2023-255","DOIUrl":"https://doi.org/10.21495/em2023-255","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48432036","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
Assessment of amplitude factors of asymptotic expansion at crack tip in flexoelectric solid under mode I loadings I型载荷作用下柔性电固体裂纹尖端渐近膨胀振幅因子的评估
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-03-01 DOI: 10.21495/51-2-317
T. Profant, J. Sládek, V. Sládek, M. Kotoul
{"title":"Assessment of amplitude factors of asymptotic expansion at crack tip in flexoelectric solid under mode I loadings","authors":"T. Profant, J. Sládek, V. Sládek, M. Kotoul","doi":"10.21495/51-2-317","DOIUrl":"https://doi.org/10.21495/51-2-317","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46336381","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: 3
Design of the magnetically sensitive hydrodynamic bearing for the experimental rotor rig 实验转子台磁敏感流体动力轴承的设计
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2022-01-01 DOI: 10.21495/51-2-105
P. Ferfecki, J. Zapoměl, M. Molčan
{"title":"Design of the magnetically sensitive hydrodynamic bearing for the experimental rotor rig","authors":"P. Ferfecki, J. Zapoměl, M. Molčan","doi":"10.21495/51-2-105","DOIUrl":"https://doi.org/10.21495/51-2-105","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68703569","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
Probabilistic analysis of screws for femoral neck fractures 股骨颈骨折螺钉的概率分析
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2022-01-01 DOI: 10.21495/51-2-117
K. Frydrýšek, L. Pleva, J. Pometlová, M. Havlícek, J. Hlinka, P. Krpec, O. Mizera, R. Janco
{"title":"Probabilistic analysis of screws for femoral neck fractures","authors":"K. Frydrýšek, L. Pleva, J. Pometlová, M. Havlícek, J. Hlinka, P. Krpec, O. Mizera, R. Janco","doi":"10.21495/51-2-117","DOIUrl":"https://doi.org/10.21495/51-2-117","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68704341","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
Strength tests of human tendons following prolonged storage 人体肌腱在长时间储存后的强度测试
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2022-01-01 DOI: 10.21495/51-2-169
K. Joszko, B. Gzik-Zroska, W. Wolański, M. Gzik, J. Sliwka, L. Pawlus-Łachecka, K. Wilczek, M. Dychdalewicz, J. Wszołek, J. Dec
{"title":"Strength tests of human tendons following prolonged storage","authors":"K. Joszko, B. Gzik-Zroska, W. Wolański, M. Gzik, J. Sliwka, L. Pawlus-Łachecka, K. Wilczek, M. Dychdalewicz, J. Wszołek, J. Dec","doi":"10.21495/51-2-169","DOIUrl":"https://doi.org/10.21495/51-2-169","url":null,"abstract":": This work presents investigations into tendons of human origin used for the reconstruction of ligaments in the knee joint. The scope of tests included a static tensile test using strength testing machine MTS Criterion Model 43 (MTS Systems, Eden Prairie, MN, USA). Samples of long peroneal muscle (peroneus longus) tendons and short peroneal muscle (peroneus brevis) tendons were subjected to testing. The main objective of the research was to determine mechanical properties of tendons after a prolonged period of storage, which lasted 9 years. The following mechanical properties of tendons were obtained: maximum breaking force Fmax , maximum stress σmax [MPa] and Young’s modulus E [MPa].","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68705246","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
A buried arch bridge — Conclusions about approaches for FE modeling 埋地拱桥有限元建模方法的结论
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2022-01-01 DOI: 10.21495/51-2-189
Prof. Konstantin Kazakov, Prof. Lena Mihova, Prof. Doncho Partov
{"title":"A buried arch bridge — Conclusions about approaches for FE modeling","authors":"Prof. Konstantin Kazakov, Prof. Lena Mihova, Prof. Doncho Partov","doi":"10.21495/51-2-189","DOIUrl":"https://doi.org/10.21495/51-2-189","url":null,"abstract":": Conclusions are made from comparison of different finite element analyses of a buried arch bridge. The modeling is carried out by the Plaxis 2D geotechnical software. Classical and advanced constitutive models for the materials are applied. Two types of finite elements are used for modeling of the bridge structure: beam and plate elements. The soil-structure interaction is approximated by interface elements. The road traffic loading is assumed according to the model LM1 of Eurocode. Pseudo static and dynamic “time history” seismic analyses are carried out. Analysis of the ground bearing capacity is performed using the shear strength reduction technique. Mechanical behavior of the bridge is studied by analyses of states in construction and service periods.","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68705290","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
Comparison between the current models of the theory of creep in the light of numerical results obtained by time history analysis of composite sections, using integral equation of Volterra 利用Volterra积分方程对复合材料截面进行时程分析得到的数值结果与现有蠕变理论模型进行了比较
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2022-01-01 DOI: 10.21495/51-2-193
K. Kazakov, D. Partov, C. Stoyanov
{"title":"Comparison between the current models of the theory of creep in the light of numerical results obtained by time history analysis of composite sections, using integral equation of Volterra","authors":"K. Kazakov, D. Partov, C. Stoyanov","doi":"10.21495/51-2-193","DOIUrl":"https://doi.org/10.21495/51-2-193","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68705297","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
Coefficient of subsoil reaction calibrated by PSO method 用粒子群法标定底土反应系数
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2022-01-01 DOI: 10.21495/51-2-257
M. Marton, M. Sokol, K. Lamperová
{"title":"Coefficient of subsoil reaction calibrated by PSO method","authors":"M. Marton, M. Sokol, K. Lamperová","doi":"10.21495/51-2-257","DOIUrl":"https://doi.org/10.21495/51-2-257","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68706023","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
Evaluation of damage accumulation for ductile materials 延性材料损伤累积的评价
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2022-01-01 DOI: 10.21495/51-2-353
F. Šebek, P. Kubík, J. Petruška
{"title":"Evaluation of damage accumulation for ductile materials","authors":"F. Šebek, P. Kubík, J. Petruška","doi":"10.21495/51-2-353","DOIUrl":"https://doi.org/10.21495/51-2-353","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68706812","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
Sensitivity study of a bubble size on mass transfer in a CFD model of a bubble-column photobioreactor 气泡柱式光生物反应器CFD模型中气泡尺寸对传质的敏感性研究
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2022-01-01 DOI: 10.21495/51-2-329
M. Rebej, J. Vondál, T. Juřena, M. Naď, Z. Jegla
{"title":"Sensitivity study of a bubble size on mass transfer in a CFD model of a bubble-column photobioreactor","authors":"M. Rebej, J. Vondál, T. Juřena, M. Naď, Z. Jegla","doi":"10.21495/51-2-329","DOIUrl":"https://doi.org/10.21495/51-2-329","url":null,"abstract":": The paper deals with the flue gas as a potential nutrient source for microalgae cultivation in photobioreactors. In numerical analyses, the vertical tubular photobioreactor was aerated with an aeration gas modelled through different bubble sizes. This had yielded differences in mass transfer coefficients and interphase areas. The range of bubble diameters extended from -20 % to +20 % from the original bubble diameter 4.50 mm found in the experiment. The assessment of the time to reach the saturated state and the volumetric mass transfer rate did not reveal any discrepancies from analytical predictions. However, even the smallest bubbles did not follow the initial drop of CO 2 volume fraction found in the experiments.","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68707090","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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