Transactions of The Canadian Society for Mechanical Engineering最新文献_第4页

Feature selection and framework design toward data-driven predictive sustainability assessment and optimization for additive manufacturing 特征选择和框架设计，实现数据驱动的增材制造可持续性预测评估和优化

IF 0.9 4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-11-24 DOI: 10.1139/tcsme-2023-0151

Ahmed Z Naser, F. Defersha, Sheng Yang

{"title":"Feature selection and framework design toward data-driven predictive sustainability assessment and optimization for additive manufacturing","authors":"Ahmed Z Naser, F. Defersha, Sheng Yang","doi":"10.1139/tcsme-2023-0151","DOIUrl":"https://doi.org/10.1139/tcsme-2023-0151","url":null,"abstract":"Additive Manufacturing (AM) is considered an innovative technology to fabricate goods with green characteristics. In comparison to conventional manufacturing approaches, AM technologies have shown promising results in enhancing sustainability in production systems. Various research has been conducted to assess the environmental impacts of AM based on the well-known Life Cycle Assessment (LCA) framework. However, this approach requires intensive domain knowledge to build the environmental impact model and interpret the findings. This knowledge barrier may cause delays and challenges in the selection of the optimal design and process parameters for additively manufactured parts. Such challenges can be particularly prevalent during the early product design and planning stages. As such, the research community demands an automated LCA tool to support AM toward elevated sustainability. To achieve this ambitious goal, this paper particularly investi-gates the fundamental question – \"What are the key influential parameters that pose an impact on the environmental sustainability of AM?\". Thus, this paper proposes a methodological framework for identifying the key influential parameters for AM. The framework was demonstrated by taking the Fused Filament Fabrication process as a case study. Through instantiating various parts within the proposed framework and conducting LCA on over 200 AM instances, followed by correlation analysis, the key influential parameters were identified. Consequently, a data-driven predictive sustainability assessment and optimization framework was developed by integrating the identified influential features.","PeriodicalId":23285,"journal":{"name":"Transactions of The Canadian Society for Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139239405","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 modelling the cutting forces and impact resistance of honed milling tools 珩磨铣刀的切削力和抗冲击性建模

IF 0.9 4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-11-15 DOI: 10.1139/tcsme-2023-0066

C. Hopkins, Tim Clarke, Nam Nguyen, N. Z. Yussefian, Ali Hosseini

{"title":"On modelling the cutting forces and impact resistance of honed milling tools","authors":"C. Hopkins, Tim Clarke, Nam Nguyen, N. Z. Yussefian, Ali Hosseini","doi":"10.1139/tcsme-2023-0066","DOIUrl":"https://doi.org/10.1139/tcsme-2023-0066","url":null,"abstract":"In milling operations, cutting tools are subjected to cyclic thermal and mechanical loads due to their intermittent engagement with the workpiece. As a result, they commonly fail due to edge chipping and thermal cracking, among which the former is directly related to the impact at the entry or exit, respectively, in downmilling or upmilling where the chip thickness is maximum. Among the many design factors that affect the impact resistance of milling tools, cutting-edge radius is one of the most important; however, it is often omitted in classic force models. In this paper, a force model that accounts for the edge radius was developed to predict the milling forces. Five sets of milling inserts with custom-made edge radii ranging from 25 to 45 µm were produced and tested. Test results were used to validate the force model and capture the effects of edge radius on the impact resistance of the prepared inserts. Results showed that increasing the edge radius initially improved the impact resistance and increased the tool life. However, increasing the edge radius beyond a certain threshold was proven to be detrimental since it made the tool blunt and drastically increased the cutting forces.","PeriodicalId":23285,"journal":{"name":"Transactions of The Canadian Society for Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139275552","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

NUMERICAL INVESTIGATION OF VELOCITY AND SPREADING CHARACTERISTICS OF NON-CIRCULAR TURBULENT JETS AT DIFFERENT REYNOLDS NUMBERS 不同雷诺数下非圆形湍流射流速度与扩散特性的数值研究

4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-11-03 DOI: 10.1139/tcsme-2023-0028

Sanjay Kumar, Muhammad Bilal, Saoud Sarwar, Zaheer Ahmed, Mujeeb Iqbal Soomro, Awais Junejo, Abdul Fatah Abbasi, Khanji Harijan

{"title":"NUMERICAL INVESTIGATION OF VELOCITY AND SPREADING CHARACTERISTICS OF NON-CIRCULAR TURBULENT JETS AT DIFFERENT REYNOLDS NUMBERS","authors":"Sanjay Kumar, Muhammad Bilal, Saoud Sarwar, Zaheer Ahmed, Mujeeb Iqbal Soomro, Awais Junejo, Abdul Fatah Abbasi, Khanji Harijan","doi":"10.1139/tcsme-2023-0028","DOIUrl":"https://doi.org/10.1139/tcsme-2023-0028","url":null,"abstract":"The flow field characteristics of non-circular turbulent jets are investigated numerically. A steady numerical simulation is conducted using the k-ε turbulence model in Ansys Fluent software. A hotwire anemometer is utilized to collect velocity data along the jet centerline for velocity validation. The jet exit Reynolds numbers are varied from 200 to 5000, covering both laminar and turbulent regimes. The mean flow field characteristics, such as mean velocity, turbulent intensity, velocity decay, and half jet spread width, are examined. The simulated results depict that mean velocity profile decay reveals a universal decay pattern, and the lateral velocity distribution show top-hat like velocity profile in the near field. It significantly changed into peak-shaped and parabolic-shaped at a far downstream distance. The turbulent intensity profile reveals that shear layer growth begins near the jet exits, and entrainment becomes strong with the Reynold number. The potential core region increases with Reynolds numbers. The jet spread width shows a linear increment with the jet exit Reynolds number. The presented numerical results agree well with the measured experimental results and are consistent with published data.","PeriodicalId":23285,"journal":{"name":"Transactions of The Canadian Society for Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135818131","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

Dimensional synthesis of motion generation of a spherical four-bar mechanism 球面四杆机构运动生成的尺寸综合

4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-11-03 DOI: 10.1139/tcsme-2023-0067

Wenrui Liu, Haotian Si, Cong Wang, Jianwei Sun, Tao Qin

{"title":"Dimensional synthesis of motion generation of a spherical four-bar mechanism","authors":"Wenrui Liu, Haotian Si, Cong Wang, Jianwei Sun, Tao Qin","doi":"10.1139/tcsme-2023-0067","DOIUrl":"https://doi.org/10.1139/tcsme-2023-0067","url":null,"abstract":"A new objective function for optimizing spherical four-bar mechanisms for motion generation is presented. Rigid-body poses of a spherical four-bar mechanism in a standard installation position are investigated, and a normalization processing method is proposed. After processing the coupler points of the mechanism, the feature points generated are located on the circles. The formation principle of the feature coupler circles is analysed, and the internal relationship between the centre angle of the adjacent feature points on the feature coupler circles and the coupler angle of the spherical four-bar mechanism is determined. An input angle determination method is proposed for the spherical four-bar mechanism in a general installation position. An objective function is then established to optimize the basic dimensional types, relative input angles and installation position parameters of the desired spherical four-bar mechanism. The proposed method is applicable to both prescribed timing and unprescribed timing problems. Notably, the dimension of the optimization variables is only eight, which is exceptionally low for multiple position motion generation without prescribed timing; therefore, the global optimal solution is more easily obtained. The optimization process is carried out by the genetic algorithm. The feasibility and effectiveness of our proposed method are demonstrated by examples.","PeriodicalId":23285,"journal":{"name":"Transactions of The Canadian Society for Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135818675","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 re-evaluation of the clamped members stiffness of bolted joints 螺栓连接夹紧构件刚度的再评价

4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-11-02 DOI: 10.1139/tcsme-2023-0092

Rashique Iftekhar Rousseau, Hakim bouzid, Zijian Zhao

{"title":"On the re-evaluation of the clamped members stiffness of bolted joints","authors":"Rashique Iftekhar Rousseau, Hakim bouzid, Zijian Zhao","doi":"10.1139/tcsme-2023-0092","DOIUrl":"https://doi.org/10.1139/tcsme-2023-0092","url":null,"abstract":"To address structural integrity of bolted joints and verify their capacity to withstand external loads and relaxation resulting from thermal expansion difference and creep, proper evaluation of the axial stiffnesses of bolt and clamped members are of vital importance. A number of finite element (FE) based methods are available for the calculation of the stiffnesses of joint elements, most of which rely on the displacement of arbitrarily selected nodes that has led to the improper evaluation of joint stiffness values. In this paper, the stiffness of clamped members is evaluated by a simple finite element methodology using a known bolt stiffness evaluated separately. Two load cases, one based on the application of external force (mechanical loading) and the other on temperature (thermal loading) are conducted using the FE method to validate the obtained results. The proposed methodology is also compared with other FE models and analytical methods obtained from literature. The new technique is based on an axisymmetric FE modeling and is applied to bolted joints with bolts ranging from M6 to M36 having various grip lengths. Finally, the stiffnesses of the bolt and clamped members can be determined accurately and a general formula is proposed to evaluate the stiffness of clamped members.","PeriodicalId":23285,"journal":{"name":"Transactions of The Canadian Society for Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135876186","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

Investigation into the Local Continuous Heating Calibration Process of a 304 Stainless Steel Pipe by Electrically-assisted roll bending 304不锈钢管电助弯辊局部连续加热校准过程的研究

4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-10-27 DOI: 10.1139/tcsme-2023-0102

Zejun Tang, Yucong Ai, Aijun Xu

引用次数: 0

Robotic Pick-and-Handover Maneuvers with Camera-based Intelligent Object Detection and Impedance Control 基于摄像头的智能目标检测和阻抗控制的机器人拾取-切换机动

4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-10-26 DOI: 10.1139/tcsme-2022-0176

Qiguang Chen, Lucas Wan, Yajun Pan

引用次数: 0

Structure design and service performance of bionic conical pick 仿生锥镐的结构设计及使用性能

4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-10-12 DOI: 10.1139/tcsme-2023-0084

Honghong Yan, Longbao Zhang

{"title":"Structure design and service performance of bionic conical pick","authors":"Honghong Yan, Longbao Zhang","doi":"10.1139/tcsme-2023-0084","DOIUrl":"https://doi.org/10.1139/tcsme-2023-0084","url":null,"abstract":"Heavy equipment such as continuous mining machines and shearers are widely used in coal mining projects, and conical picks are essential cutting tools. During the cutting process, different conical pick structures can have significant impacts on the cutting performance of the equipment, and the wear resistance of the conical picks will directly affect the efficiency and reliability of the equipment. In this paper, a bionic dimple-structured conical pick is designed, and a mathematical model of the dimple structure is established. The cutting performance, self-rotation performance, and wear resistance of dimple-type picks (DTPs) and ordinary-type picks (OTPs) are studied using the discrete element software EDEM and the dynamic analysis software ADAMS. The results show that during the cutting process, the trend of rotational torque over time for both types of conical picks first increases and then decreases, with the maximum rotational torque of DTP being greater than that of OTP, indicating that the self-rotation performance of DTP is superior to OTP. Compared with OTP, DTP exhibits a smaller total wear amount and better wear resistance performance. When comparing end plates equipped with DTP to those with OTP, the end plates with DTP have a smaller load fluctuation coefficient, lower cutting resistance, lower specific energy consumption for cutting, and greater total coal mass.","PeriodicalId":23285,"journal":{"name":"Transactions of The Canadian Society for Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135968164","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

Hardness prediction in Upsetting process of Al%ZrO2 -An approach of Machine Learning using Regression and Classification Models Al%ZrO2镦粗过程硬度预测——一种基于回归和分类模型的机器学习方法

4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-10-04 DOI: 10.1139/tcsme-2023-0063

Chirala Hari Krishna, Ch Nagaraju, N Malleswararao Battina, Obula Reddy Kummitha

{"title":"Hardness prediction in Upsetting process of Al%ZrO2 -An approach of Machine Learning using Regression and Classification Models","authors":"Chirala Hari Krishna, Ch Nagaraju, N Malleswararao Battina, Obula Reddy Kummitha","doi":"10.1139/tcsme-2023-0063","DOIUrl":"https://doi.org/10.1139/tcsme-2023-0063","url":null,"abstract":"The current study focuses on the prediction of metal hardness distribution in the upsetting tests for different compositions of ZrO2 embedded with aluminum matrix using machine learning (ML) algorithms and finite element analysis. The mass fraction of the ZrO2 particles was varied from 4 % to 8% and 3 sets of solid cylindrical rods with Al4%ZrO2, Al6%ZrO2, and Al8%ZrO2 were prepared using the stir casting method. The upsetting process was simulated and an equation for predicting hardness was developed from the equivalent strain distributions. Artificial neural networks(ANN), Multilinear regression (MLR) along with equations developed from FE analysis were used to train the model for regression analysis considering the principal stresses, friction factor, anisotropy ratio, effective strain, and hoop strain as input and the magnitude of hardness as output parameters. Regression analysis reveals that ANN (Tri-layer network), XG Boost, and multilinear-regression algorithms are the best suitable for the given data sets with a root mean square (R2) greater than 0.95. XG Boost, ANN (narrow), and SVM are linear and are the most recommendable classifier algorithms for the current investigation. Hardness data from ring compression tests were used to validate the results obtained from the trained models with the test results","PeriodicalId":23285,"journal":{"name":"Transactions of The Canadian Society for Mechanical Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135549148","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

Anti-slip regulation method for electric vehicles with four in-wheel motors based on the identification of slip ratio 基于滑移率辨识的四轮电机电动汽车防滑调节方法

4区工程技术

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2023-09-28 DOI: 10.1139/tcsme-2023-0031

Qiping Chen, Wuhao Xu, Zongyu Lv, Dequan Zeng, Chengping Zhong, Xiaochun Zeng

引用次数: 0