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检索条件"任意字段=8th Biennial Conference on Engineering Systems Design and Analysis"

共 8237 条记录，以下是91-100 订阅

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Experimental and Numerical Study of Full-Size Reinforced Geopolymer Concrete Beams 8th

Experimental and Numerical Study of Full-Size Reinforced Geo...

引用

8th International conference on Civil engineering, ICOCE 2024

作者： Wu, Borui Yao, Yao Xi’an University of Architecture and Technology Xi’an710000 China

ISBN: (纸本)9789819759095

To study the structural performance of geopolymer concrete, a full-scale static load test of reinforced geopolymer concrete simply supported beams is designed to analyze the damage process and damage pattern of reinforced geopolymer concrete beams. Based on the test, a numerical model is established by numerical simulation using ABAQUS software. the dimensional sensitivity is further analyzed by finite elements based on the test. the experimental results show that the damage of the reinforced geopolymer concrete beam is characterized by ductile damage. the results of the size sensitivity analysis show that a reasonable mesh size division is essential for correctly analyzing the structural response, and the finite element results of the fine mesh show better agreement with the experimental results. the developed finite element model can be used as an effective tool for future design and application, which is of great significance for further research on geopolymer concrete and its application in engineering. © the Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： Sensitivity analysis

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Structural reliability analysis based on vulnerability function 8

Structural reliability analysis based on vulnerability funct...

引用

2024 8th International conference on Mechanics, Mathematics and Applied Physics, ICMMAP 2024

作者： Peng, Zejing Tian, Wenyu Yang, Mengfei Liu, Junli Wang, Wenzhe China United Northwest Institute for Engineering Design & Research Co. Ltd. Xi'an710000 China

this paper proposes a structural reliability analysis methodology based on vulnerability functions, taking into account the uncertainties in seismic excitation and structural seismic response parameters. A probabilistic seismic demand model, following a β-distribution, is introduced to investigate the correlations between seismic response parameters under the same seismic event. the fragility function is constructed by combining the log-normal distribution with correlation coefficients to calculate the probability of structural failure. the fragility curve is fitted using the probability distribution function of the log-normal distribution and compared with the fragility results obtained from traditional fragility functions. A two-span continuous reinforced concrete highway bridge is used as a case study for seismic fragility analysis. the results indicate that when the structure is subjected to seismic intensities exceeding 9 degrees, the correlation becomes significant, which is beneficial for pre-earthquake disaster prediction and structural reliability evaluation. © Published under licence by IOP Publishing Ltd.

关键词： Normal distribution

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Visualization analysis of Online Education Based on Vue Framework 24

Visualization Analysis of Online Education Based on Vue Fram...

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8th International conference on Electronic Information Technology and Computer engineering, EITCE 2024

作者： Shi, Jinmei Wen, Xinyuan Dong, Chunyang Hainan Vocational University of Science and Technology Hainan Haikou China

ISBN: (纸本)9798400710094

Digitalization of education is one of the major strategies for my country’s current education reform and development, and market-oriented online education companies are one of the frontier practitioners in promoting digitalization of education. the work is based on the Vscode programming tool, and uses the Echarts graphics library and the Vue framework to perform Web front-end data visualization interaction design in a knowledge graph visualization manner. Use the Scrapy crawler framework in Python to crawl data from relevant websites, summarize and analyze the industry status, forward-looking areas and research hotspots of online education worldwide, and show the current development history and industry prospects of the global online education industry. By adding the random forest algorithm, we can deeply analyze the profound impact of my country’s double reduction policy on the development of domestic online education and the establishment of a new generation of industry standards. the relevant literature data of the past ten years from CNKI were exported, and the screened literature data were imported into the bibliometric tool COOC and the visualization software CiteSpace for sorting and analysis, presenting the research status and hot trends in the field of online education industry. Help relevant practitioners, researchers, learners, etc. to enhance their business understanding in the field of online education, and provide reference for the digital transformation of education in educational institutions at all levels and types. © 2024 Copyright held by the owner/author(s).

关键词： Decision trees

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Application of the Component Method for Timber-Concrete Composite Slabs Subjected to Negative Bending Moments 4th

Application of the Component Method for Timber-Concrete Comp...

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4th FIB International conference on Concrete Sustainability

作者： Krug, Sebastian Schaenzlin, Jorg Hsch Biberach Univ Appl Sci Inst Timber Design Karlstrasse 11 D-88400 Biberach Germany

ISBN: (纸本)9783031806742;9783031806728;9783031806711

Timber-concrete composites (TCC) represent one solution for slabs in residential and office buildings, combining the low carbon footprint and sustainability of responsibly sourced timber with the higher stiffness, thermal mass, fire resistance and acoustic insulation of concrete. However, a non-negligible disadvantage is that the current practice of TCC slab systems is often limited to load-carrying as single-span beams. this paper presents an analytical model based on the component method for determining the joint stiffness of continuous TCC slabs in the range with negative bending moments. the study involves the development of load-displacement curves for individual force-transmitting components and their assembly into a component model. Validation through finite element calculations demonstrates the accurate representation of the moment-rotation relation in continuous TCC systems. Considering the substantial influence of input value variability on the joint stiffness, a probabilistic analysis of the model parameters was conducted. the results from the probabilistic investigations enable initial statements about the joint stiffness of continuous timber-concrete composite slabs in ranges with negative bending moments.

关键词： Timber-concrete composite Continuous systems Component method Probabilistic analysis Materials savings Emissions savings

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design and Cost analysis of Solar UPS Based 3kWp Off-Grid Solar System with Generation of 12-15 Units/day for 2.5kW Household Load 8

Design and Cost Analysis of Solar UPS Based 3kWp Off-Grid So...

引用

8th International conference on Electronics, Materials engineering and Nano-Technology, IEMENTech 2025

作者： Ghosh, Debadyoti Maiti, Soupama Pal, Rupayan Roy, Maloy Deb Bbattacharyya, Bratyabandhu Institute of Engineering & Management Department of Electronics & Communication Engineering Kolkata India

ISBN: (纸本)9798331520762

Solar energy is one of the most important renewable energy resources. Advancement of solar technology leads to use solar power as much as possible to prevent the depletion of natural resources like coal, fossil fuels, etc. and reduce the cost of electric energy consumed for different purposes. Use of solar technology keeps environment clean. Generally electric power is needed to run household load and for this consumer should pay monthly electricity bill to the Electricity Distribution Companies. To reduce the home electricity consumption which in turn reduces the charge of monthly electricity bill of a consumer on-grid solar and off-grid solar technologies are available which can be installed. In this paper, design of a 3kWp off-grid solar system with all its component details and installation technique has been discussed. the sole purpose is to generate solar power that is fed to the load coming from the utilization of home appliances. the designed system is capable to generate 12-15 units of energy per day with 10 hours battery backup-time. In this system we have considered MPPT solar UPS (inverter) for improving the efficiency of the entire system. For better performance, Mono PERC half cut solar panels are highly recommended for this proposed system. the main objective of this paper is to show how off-grid solar system can reduce the charge of monthly electricity bill. A detail cost analysis has also been discussed in this paper. Initial investment for installation of off-grid solar system is very high. But in the long run consumer can profit from it. © 2025 IEEE.

关键词： Fossil fuel deposits

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8th International conference on Mineral Resources, Geotechnology and Geological Exploration, MRGGE 2024

8th International Conference on Mineral Resources, Geotechno...

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8th International conference on Mineral Resources, Geotechnology and Geological Exploration, MRGGE 2024

ISBN: (纸本)9783031786891

the proceedings contain 49 papers. the special focus in this conference is on Mineral Resources, Geotechnology and Geological Exploration. the topics include: Study on Beneficiability of a Phosphate Ore;quantitative analysis of the Effect of Capillary Force on Increased Oil Recovery in Asynchronous Injection-Production;study on the Effect of Low Temperature on the Tensile Strength of Granite with Different Grain Size;application of Infrared Remote Sensing in Geothermal Resources Exploration;study on the Distribution of Disaster-Causing Gas and Disaster-Causing Law in Goaf of Spontaneous Combustion Coal Seam;study on the Mechanism of Seepage Failure and Numerical Simulation of the Destructive Process in Sandy Dolomite;Study on Energy Conversion in the Process of CO2 Outburst Disaster;study on Flash Flotation of a Gold Mine in Shandong;multifractal analysis of Metallogenic Elements Distribution from Jiama Porphyry Copper Deposit in Tibet, China;research on Dynamic Response Law of Flexible Metal Net Impacted by Falling Rocks and the Optimization of Net Opening;improvement Law of Mechanical Properties of Microbial-Magnesium Oxide Cured Red Clay;Study on Factors Affecting CO2 Sequestration in Basalt;mineralization Mechanism and Exploration Mode of Nanpo Copper Mine in South Yunnan;a Method for Controlling Upper Corner Gas by High-Level Directional Long Drilling in Roof;research on the Geological Exploration and Railway Route Selection design in Plateau Mountainous Area: A Case Study of Gyaca County to Nang County Section in Sichuan-Tibet Railway;Stability Evaluation of Highway Expansive Soil Slope Failure Based on Fuzzy-AHP Method and Its engineering Application.

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Dynamics analysis of a V-shaped microcantilever based on finite difference method 8

Dynamics analysis of a V-shaped microcantilever based on fin...

引用

2024 8th International conference on Mechanics, Mathematics and Applied Physics, ICMMAP 2024

作者： Zhang, Bangzhi Zhou, Xilong Yang, Changyun College of Energy and Mining Engineering Shandong University of Science and Technology Qingdao266590 China Hubei Key Laboratory of Theory and Application of Advanced Materials Mechanics Wuhan University of Technology Wuhan430070 China

the V-shaped microcantilever is advantageous for its high sensitivity and low stiffness, making it suitable as an atomic force microscope probe for characterizing the mechanical properties of soft materials. However, due to the complex geometry and the nonlinear tip-sample interaction, the analysis of the dynamic characteristics of a V-shaped microcantilever is generally difficult. In this paper, the finite difference computational formula of the governing formula and boundary conditions of a V-shaped microcantilever is derived and the analysis of its dynamic characteristics is performed. the amplitude and phase spectroscopy curves of the V-shaped microcantilever, as well as the frequency response, are obtained. the developed finite difference computational formula provides an effective approach for dynamics analysis and the optimization design for the V-shaped microcantilever. © Published under licence by IOP Publishing Ltd.

关键词： Nanocantilevers

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Eighth International conference on Computer Graphics and Virtuality, ICCGV 2025

Eighth International Conference on Computer Graphics and Vir...

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8th International conference on Computer Graphics and Virtuality, ICCGV 2025

ISBN: (纸本)9781510689213

the proceedings contain 25 papers. the topics discussed include: YOLO-handwritten: improved YOLOv8 for handwritten text detection in examination papers;camouflaged object detection based on multi-scale fusion network with fuzzy region enlargement and shrinking;cropping-classification based semi-supervised learning for object detection;an efficient auxiliary system for mechanical maintenance based on 3D object tracking;analysis of tools to support the design review process in virtual reality;advancing the facilitation of social interaction and community engagement among American football enthusiasts through immersive metaverse platform;fusing multi-scale attention mechanisms with diffusion models for virtual try-on;and research on equipment visualization maintenance training system based on virtual reality technology.

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analysis of Damage Mechanism of 750 kV Transformer Under Jishishan Ms6.2 Earthquake 30th

Analysis of Damage Mechanism of 750 kV Transformer Under Jis...

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30th International conference on Computational and Experimental engineering and Sciences

作者： Xie, J. Xie, Q. Tongji Univ Coll Civil Engn Shanghai 200000 Peoples R China

ISBN: (纸本)9783031774911;9783031774898;9783031774881

On December 18, 2023, Ms6.2 Jishishan earthquake occurred in Gansu Province, China. In order to explore the cause of the earthquake damage, oil leakage occurred in the transformer casing of a 750 kV substation. the refined finite element simulation models of two kinds of transformer-casing systems were established, and the seismic response analysis was carried out. the results show that for the transformer-casing system, due to the significant difference in stiffness between the transition flange and the upper and lower part of the connection, the stiffness of the connection is weak, and the difference in corner displacement is too large, the bolts are deformed, and the sealing rubber gasket loses its sealing property and leaks oil. Compared with the glue-mounted connection casing, the buckle connection casing is weaker. Although it is conducive to dissipating energy to avoid structural damage, the displacement response is more significant. the design of the transition flange should consider the influence of the transformer riser and the stiffness of the sleeve.

关键词： Transformer bushing Jishi Mountain earthquake engineering failure Oil leakage

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design Optimization and Aerothermodynamic analysis Over a Supersonic Vehicle 5th

Design Optimization and Aerothermodynamic Analysis Over a Su...

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5th International conference on Innovative Product design and Intelligent Manufacturing systems, ICIPDIMS 2023

作者： Arora, Divij Balaji, R. thakur, Amit Kumar Department of Aerospace Engineering Uttaranchal Institute of Technology Uttranchal University Dehradun248007 India School of Aerospace Engineering Lovely Professoinal University Punjab Phagwara144411 India

ISBN: (纸本)9789819767311

this paper presents a comprehensive study on the design optimization and aerothermodynamic analysis of a supersonic vehicle, aiming to enhance its performance and efficiency at the time of re-entry. the distribution of heat over the body can be influenced by varying the shock stand-off distance and intensity over supersonic objects. In this paper, we have modified the blunt body by keeping the double hemispherical disk in the front which will increase the shock stand-off distance and lower the intensity of the shock waves at Mach six. the turbulent module transport equation was used to solve the blunt body with double disk along with Reynolds Navier stoke Equation, according to the aerodynamic performance of the double disk. According to this research analysis, the aero-disk performance is better than the aerospike. © the Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： Supersonic aircraft

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