发布求助
文献互助 智能选刊 最新文献

Gong Cheng Li Xue/Engineering Mechanics最新文献

筛选
英文 中文
Deep learning methods for the acoustic emission methods to evaluate an onset of plastic straining 用于评估塑性应变开始的声发射方法的深度学习方法
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-187
S. Parma, M. Kovanda, M. Chlada, J. Štefan, J. Kober, H. Feigenbaum, J. Plešek
{"title":"Deep learning methods for the acoustic emission methods to evaluate an onset of plastic straining","authors":"S. Parma, M. Kovanda, M. Chlada, J. Štefan, J. Kober, H. Feigenbaum, J. Plešek","doi":"10.21495/em2023-187","DOIUrl":"https://doi.org/10.21495/em2023-187","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":"44349738","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 of finite element simulation of tungsten nanoindentation with Berkovich and conical indenter Berkovich和锥形压头对钨纳米压痕的有限元模拟比较
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-63
L. Fiala, I. Ballo, J. Kovář, V. Fuis
{"title":"Comparison of finite element simulation of tungsten nanoindentation with Berkovich and conical indenter","authors":"L. Fiala, I. Ballo, J. Kovář, V. Fuis","doi":"10.21495/em2023-63","DOIUrl":"https://doi.org/10.21495/em2023-63","url":null,"abstract":": Finite Element Method (FEM) was used to study the difference between using Berkovich and conical indenters in nanoindentation test of tungsten specimen. The study was aimed to determine the modulus of elasticity of a tested specimen and how it changes with different indenter. The FEM analysis also revealed that the modulus of elasticity was sensitive to the dimensions of both specimen and the indenter for which were made several numerical calculations with different dimensions.","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":"46906184","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 the actual medical procedure replication quality by novelty training phantom for intravenous injections through measurement of force profiles 新颖性训练模体对静脉注射实际医疗过程复制质量的评价
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-199
M. Ples, W. Wolański, G. Gruszka, K. Joszko, M. Chrzan, M. Burkacki, S. Suchon
{"title":"Evaluation of the actual medical procedure replication quality by novelty training phantom for intravenous injections through measurement of force profiles","authors":"M. Ples, W. Wolański, G. Gruszka, K. Joszko, M. Chrzan, M. Burkacki, S. Suchon","doi":"10.21495/em2023-199","DOIUrl":"https://doi.org/10.21495/em2023-199","url":null,"abstract":": The purpose of this research was to determine the values and profiles of forces during the penetration of phantoms for intravenous puncture training with a needle. The results showed that the developed training phantom design more accurately represents the real surgical situation than existing solutions on the market. The two-element design of the phantom allowed for the replication of real tissue behaviour during puncture, as the walls of artificial blood vessels offered greater resistance during needle penetration. The developed phantom is economical, reusable, and allows for precise replication of a specific surgical situation, making medical personnel training more efficient and resulting in increased patient safety.","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":"46927362","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
Simulating particle-laden flows: From immersed boundaries towards model order reduction 模拟颗粒流：从浸没边界到模型阶数降低
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-27
M. Isoz, L. Kubíčková, M. Kotouč Šourek, O. Studeník, A. Kovárnová
{"title":"Simulating particle-laden flows: From immersed boundaries towards model order reduction","authors":"M. Isoz, L. Kubíčková, M. Kotouč Šourek, O. Studeník, A. Kovárnová","doi":"10.21495/em2023-27","DOIUrl":"https://doi.org/10.21495/em2023-27","url":null,"abstract":": Particle-laden flow is prevalent both in nature and in industry. Its appearance ranges from the transport of riverbed sediments towards the magma flow; from the deposition of catalytic material inside particulate matter filters in automotive exhaust gas aftertreatment towards the slurry transport in dredging operations. In this contribution, we focus on the particle-resolved direct numerical simulation (PR-DNS) of the particle-laden flow. Such a simulation combines the standard Eulerian approach to computational fluid dynamics (CFD) with inclusion of particles via a variant of the immersed boundary method (IBM) and tracking of the particles movement using a discrete element method (DEM). Provided the used DEM allows for collisions of arbitrarily shaped particles, PR-DNS is based (almost) entirely on first principles, and as such it is a truly high-fidelity model. The downside of PR-DNS is its immense computational cost. In this work, we focus on three possibilities of alleviating the computational cost of PR-DNS: (i) replacing PR-DNS by PR-LES or PR-RANS, while the latter requires combining IBM with wall functions; (ii) improving efficiency of DEM contact solution via adaptively refined virtual mesh; and (iii) developing a method of model order reduction specifically tailored to PR-DNS of particle-laden flows.","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":"44630280","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
Summary of perspectives in active sidesticks development for small aircraft fly-by-wire systems 小型飞机电传操纵系统主动侧杆发展前景综述
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-91
M. Horpatzká, J. Hlinka
{"title":"Summary of perspectives in active sidesticks development for small aircraft fly-by-wire systems","authors":"M. Horpatzká, J. Hlinka","doi":"10.21495/em2023-91","DOIUrl":"https://doi.org/10.21495/em2023-91","url":null,"abstract":": The use of passive sidesticks in large transport aircraft equipped with Fly-By-Wire (FBW) has shown several problems related to the lack of force feedback. In the context of the current trend to find ways of introducing FBW systems also in small general aviation and future Urban Air Mobility vehicles, it will be necessary to address, how to control these machines and whether the adoption of passive controls from transport aircraft will be acceptable. This paper summarizes the benefits and challenges associated with the potential application of active sidestick in future small FBW aircraft","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":"49127097","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
Conceptual carbon-reduction oriented assessment of local flue gas waste heat recovery 面向碳减排的局部烟气余热回收概念评估
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-107
Z. Jegla, J. Daxner
{"title":"Conceptual carbon-reduction oriented assessment of local flue gas waste heat recovery","authors":"Z. Jegla, J. Daxner","doi":"10.21495/em2023-107","DOIUrl":"https://doi.org/10.21495/em2023-107","url":null,"abstract":": The paper is focused on local recovery of flue gas waste heat from industrial combustion equipment (such as process furnaces, water-or steam-boilers, etc.). A simple and systematic assessment is introduced evaluating overall amount of produced carbon dioxide related to a specific option of the available flue gas waste heat recovery (FGWHR). The assessment compares the total CO 2 balance each of locally available option of FGWHR including production of CO 2 associated with the FGWHR system realization and savings of CO 2 associated with the FWGHR system operation. Based on an assessment of the total CO 2 balance of all potentially competitive options of FGWHR applicable in a considered location it is possible to identify the most environmentally friendly option of FGWHR system.","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":"48680989","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
The influence of first CNN layer initialization on training convergence CNN第一层初始化对训练收敛的影响
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-135
J. Krejsa, S. Vechet, K.S. Chen
{"title":"The influence of first CNN layer initialization on training convergence","authors":"J. Krejsa, S. Vechet, K.S. Chen","doi":"10.21495/em2023-135","DOIUrl":"https://doi.org/10.21495/em2023-135","url":null,"abstract":"","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"68708526","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
System design of watering robot 洒水机器人系统设计
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-203
O. Podolinský
{"title":"System design of watering robot","authors":"O. Podolinský","doi":"10.21495/em2023-203","DOIUrl":"https://doi.org/10.21495/em2023-203","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":"48421667","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
Thermal and creep analysis of VVER-1000 reactor pressure vessel at high temperatures caused by fuel melting during severe accident VVER-1000反应堆压力容器在燃料熔化高温下的热蠕变分析
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-71
D. Gabriel, Gál Gál, M. Kotouč, P. Dymáček, Masák Masák, J. Kopačka
{"title":"Thermal and creep analysis of VVER-1000 reactor pressure vessel at high temperatures caused by fuel melting during severe accident","authors":"D. Gabriel, Gál Gál, M. Kotouč, P. Dymáček, Masák Masák, J. Kopačka","doi":"10.21495/em2023-71","DOIUrl":"https://doi.org/10.21495/em2023-71","url":null,"abstract":": Thermal and creep analysis of the VVER-1000 reactor pressure vessel (RPV) was performed at high temperatures caused by fuel melting during severe accident. First, the integral code ASTEC was applied simulating severe accident evolution since an initiating event up to a hypothetical radioactive release into the environment. The ASTEC outputs including the remaining RPV wall thickness, the heat flux achieved and the temperature profile in the ablated vessel wall served as boundary conditions for the consequent assessment of RPV integrity carried out with the aid of finite element method (FEM). The FEM analysis was performed including the creep behaviour of RPV material using a complex creep probabilistic exponential model with damage. The objective of the analysis was to computationally assess emergency condition and, on this basis, to propose a general methodology for evaluating the integrity of RPV at high temperatures due to fuel melting during severe accident.","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":"42741907","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
Fatigue properties of a selected alkali-activated aluminosilicate composite 一种碱活化铝硅酸盐复合材料的疲劳性能
Gong Cheng Li Xue/Engineering Mechanics Pub Date : 2023-05-11 DOI: 10.21495/em2023-43
A. Benešová, S. Seitl, H. Šimonová, P. Rovnaníková, Z. Keršner
{"title":"Fatigue properties of a selected alkali-activated aluminosilicate composite","authors":"A. Benešová, S. Seitl, H. Šimonová, P. Rovnaníková, Z. Keršner","doi":"10.21495/em2023-43","DOIUrl":"https://doi.org/10.21495/em2023-43","url":null,"abstract":": New materials used for the construction of structures or building components must meet strict construction requirements. Knowledge regarding the fatigue resistance of materials plays a key role during the design and maintenance of civil engineering structures. Previous work by the research team behind this paper deals with selected alkali-activated aluminosilicate (AAAS) composites based on ceramic precursors in terms of their characterization by mechanical fracture parameters, the approximation of their strength evolution over time, and the identification of selected mechanical fracture parameters using artificial neural networks and the comparison of measured load–displacement diagrams with those from simulations in ATENA FEM software. The presented contribution complements a set of mechanical fracture properties of a selected AAAS material via the determination of fatigue properties.","PeriodicalId":38731,"journal":{"name":"Gong Cheng Li Xue/Engineering Mechanics","volume":"67 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41295652","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
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信
小红书