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Transshipment Location Problem: A Bibliometric Review 32nd

Transshipment Location Problem: A Bibliometric Review

引用

32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Ramos Moreno, Renan Paula Lopes, Rui Borges de Vasconcelos Ferreira, Jose Antonio Ferreira Andrade Ramos, Ana Luisa Correia, Diogo Univ Aveiro GOVCOPP DEGEIT P-3810193 Aveiro Portugal UA Incubator Luggit P-3830352 Aveiro Portugal

ISBN: (纸本)9783031381645;9783031381652

The transshipment and location problem (TLP) has been recently gaining increased attention in the literature, much due to organizations need to improve their logistical processes and distribution network. This Bibliometric analysis aims to understand which authors, countries, journals, research areas, and keywords are most relevant to the TLP. In addition, it will also be looked at the perspective of the theme's growth over time. Through the Bibliometric analysis, it was possible to identify that the interest in this problem has been growing over the years and that optimization tools and approaches are mostly used. It was also observed which countries and authors most helped in the development of the theme, and what are their quantitative participations related to citation. This research brings an overview of the development of TLP and its importance in the logistics environment. In addition to showing the main authors who address the topic and their respective countries.

关键词： Transshipment Location Transshipment-Location Problem Location-Transshipment Problem Bibliometric Analysis

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Design of Breakwater with Permissible Overtopping Discharge Through Wave Flume Studies for the Development of Port 1

引用

2022 International Association for Hydraulic Environmental engineering and Research Asia Pacific Division

作者： Mahalingaiah, A., V Patil, Uday B. Ganesh, N. S. Cent Water & Power Res Stn Pune 411024 Maharashtra India

ISBN: (数字)9789819760091

ISBN: (纸本)9789819760084;9789819760091

Rubblemound breakwaters are commonly provided for achieving wave tranquil conditions inside the port. The design of breakwater cross-section is complex as it involves various aspects such as wave-structure interaction, interlocking characteristics of armour and friction between different layers. The conceptual design of rubblemound breakwater will be evolved through several empirical formulae (such as Hudson and Van der Meer). The hydraulic stability of breakwater cross-sections would be confirmed through wave flumes/wave basins studies. This paper describes the details of the wave flume studies carried out for confirmation of hydraulic stability and permissible allowance of wave overtopping discharge to reduce the crest level of breakwater for the proposed development of Green field Port at Vadhavan, Maharashtra. These wave flume models are constructed to a geometrically similar (GS) scale based on 'Froudian' criterion of similitude. In order to optimization of breakwater design cross-sections to reduce cost of the project, the 2-D wave flume studies for confirmation of hydraulic stability and permissible allowance of wave overtopping discharge to reduce the crest level of breakwater have been conducted at CWPRS, Pune. The wave flume studies were conducted for combination of design wave height (DWH) at different water levels. The allowable overtopping discharge rate for safety shall be as per the specification in EurOtop 2008 & EurOtop 2018. The trunk portion of breakwater cross-section consists of 11 m(3) ACCROPODE (TM) II armour units placed at - 19.0 m bed level w.r. to CD. The top of the crest slab is at el. + 12.5 m level with a parapet top at el. + 15.0 m. The hydraulic stability tests were conducted in the wave flume by reproducing the sections to a geometrically similar (GS) model scale of 1:56 for trunk portion. The hydraulic stability of breakwater section was confirmed for design significant wave height (Hs) of 6.8-7.5 m. The model tray for collecting th

关键词： ACCROPODE (TM) II Breakwater Breaking waves Overtopping discharge

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AI-Based Automated Custom Cranial Implant Design - Challenges and Opportunities with Case Study 8th

AI-Based Automated Custom Cranial Implant Design - Challenge...

引用

8th International Scientific-Technical Conference (MANUFACTURING)

作者： Daniol, Mateusz Hemmerling, Daria Wodzinski, Marek AGH Univ Krakow Krakow Poland Univ Appl Sci Western Switzerland Sierre Switzerland

ISBN: (纸本)9783031564581;9783031564567

Every day thousands of people suffer from traffic accidents, warfare, and complications in surgeries leading to the need for personalized cranial implants. Unfortunately, the process of modeling and manufacturing a personalized cranial implants requires people experienced with manual implant modeling. That makes the process costly and time-consuming, often leading to waiting time of several months for the reconstruction surgery. Therefore, an automatic solution to the task is highly desired. In this work, we describe an overview of the DeepImplant system with a case study. First, the state-of-the-art, the overall goal, and the related challenges are discussed. Then, the article presents the system architecture and desired functionalities: (i) the reconstruction module, (ii) the visualization module, (iii) the plugin module. The work focuses on the technical design of the developed software and the modular design. It is important aspect required for an efficient manufacturing of personalized implants.

关键词： Cranial Implant Design Deep Learning Shape Completion Artificial Intelligence 3-D Printing Mixed Reality

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Integral Quality Assurance Method for a CFRP Aircraft Fuselage Skin: Gap and Overlap Measurement for Thermoplastic AFP 32nd

Integral Quality Assurance Method for a CFRP Aircraft Fusela...

引用

32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Mayer, Monika Schuster, Alfons Brandt, Lars Deden, Dominik Fischer, Frederic German Aerosp Ctr Ctr Lightweight Prod Technol Augsburg Germany

ISBN: (纸本)9783031382406;9783031382413

Manufacturing carbon reinforced plastics with Automated Fiber Placement (AFP) is a widely adopted process despite inherently introduced defects of gaps and overlaps during the manufacturing process. Gaps and overlaps are usually cured during the consolidation process if limited to a certain size, otherwise they will lower mechanical properties of the component. Thus, gaps and overlaps have to be detected and measured especially in a thermoplastic process without a final consolidation step. For this purpose, a quality assurance sensor, based on laser triangulation, is integrated into a thermoplastic AFP machine mounted on a robot. For this paper the data recording and evaluation comprises a full-scale thermoplastic fuselage half shell with 8 m length and a diameter of 4 m. A Computer Vision pipeline extracts and quantifies the gap and overlap defects. The paper compares multiple visualization approaches of the results to showcase their advantages for various stages of component design and production. By illustrating the gaps and overlaps in a 3D graphic, precise localization of out of tolerance defects can be determined to adjust process parameters during production. Preconditions for simulation tools can be defined by summarizing all defects in a 2D heatmap, to improve variable stiffness properties for example.

关键词： thermoplastic composites laser triangulation sensor inline quality assurance tape placement sensor data evaluation

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Lean Manufacturing in Digital Transformation of Manufacture 8th

Lean Manufacturing in Digital Transformation of Manufacture

引用

8th International Scientific-Technical Conference (MANUFACTURING)

作者： Terelak-Tymczyna, Agnieszka Niesterowicz, Beata West Pomeranian Univ Technol Szczecin Szczecin Poland

ISBN: (纸本)9783031564468;9783031564444

The development of innovative Industry 4.0 technologies and widespread digitalization have enabled manufacturers to find innovative ways to optimize production operations. One way to assess the transformation of an enterprise is the ADMA method, which involves assessing the digital maturity of the factory. The audit carried out as part of the creation of the company's roadmap aims to determine its maturity in seven areas. The roadmap recommends technologies for each transformation area and the benefits that can be obtained from their use. Various Lean Manufacturing methods can be significant at each of these stages. The article assigns Lean Manufacturing methods to each transformation, which support the development of the company in their area. Based on a literature review 15 Lean Manufacturing methods were selected, such as: Hoshin Kanri, 5S, Single-minute exchange of dies (SMED), Total Productive Maintenance (TPM), Kaizen, Modern QFD, Standardization, Plan For Every Person, Training Within Industry (TWI), Value StreamMap (VSM)/MAKIGAMI, POKA-YOKE, System PULL, One-Piece Flow, Just-in-Time (JIT), Heijunka.

关键词： Industry 4.0 Lean Manufacturing ADMA method digital transformation digital lean

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Effect of Plasma Electrolytic Oxidation on the Fatigue Strength of Al Alloys: Mechanistic Understanding from Surface and Sub-Surface Characterizations 3rd

Effect of Plasma Electrolytic Oxidation on the Fatigue Stren...

引用

3rd International Conference on Advanced Surface Enhancement (INCASE)

作者： Huanga, Xiaohu Jaime Jia Mm Pang Ng, Yee ASTAR Inst Mat Res & Engn IMRE 2 Fusionopolis WayInnovis 08-03 Singapore 138634 Singapore

ISBN: (纸本)9789819986422;9789819986439

Plasma electrolytic oxidation (PEO) is a promising technology to improve the durability of aluminum alloys. However, herein we find that PEO process reduces the fatigue strength of the aluminum substrate, and the reduction varies with the PEO coating process. Detailed surface and sub-surface characterizations are conducted to understand the mechanism. Our study provides in-depth understanding on the effect of PEO coating on the properties of the base material, thus has important implications on their applications.

关键词： Plasma electrolytic oxidation Coating Al Alloys Fatigue Surface characterizations

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Analysis for Temperature Spans Generated by Electrocaloric Cooling Tubes 14th

Analysis for Temperature Spans Generated by Electrocaloric C...

引用

14th International Conference on Computational Heat and Mass Transfer (ICCHMT)

作者： Han, Donglin Qian, Xiaoshi Shanghai Jiao Tong Univ Sch Mech Engn Inst Refrigerat & Cryogen Interdisciplinary Res CtrState Key Lab Mech Syst Shanghai Peoples R China Shanghai Jiao Tong Univ Sch Mech Engn MOE Key Lab Power Machinery & Engn Shanghai Peoples R China

ISBN: (纸本)9783031666087;9783031666094

Electrocaloric (EC) cooling is excellently suitable for accurate temperature control in narrow spaces such as electronic devices thanks to the customizable shapes of EC materials and electrodes. EC cooling also shows high energy utilizing efficiency, thus low energy input and low global-warming potential, which makes it the most environmentally friendly solid-state refrigeration technology. In this work, we designed an EC cooling tube in micron scales consisting of only three parts: EC polymer, polyimide tube, and fluid inside the tube. The EC polymer was applied an alternating voltage, thus releasing and absorbing heat periodically, accompanied by the reciprocating flow of the fluid. We built a finite element simulation model with moving meshes considered to find how the tube generates a temperature span between two ends of the EC cooling tube. P(VDF-TrFE-CFE) was employed as the EC polymer, and 4 different fluids were selected. The working frequency was changed to find how heat transfer influence the performance of the EC cooling tube. In all, we employed a simulation model to analyze the temperature spans generated by EC cooling tubes working with various thermal conductive fluids, and under various working frequencies, and the large temperature spans over 15 K opened the possibility for achieving targeted cooling for chips and batteries in electronic devices.

关键词： Electrocaloric Cooling Tube Microfluid Solid-Liquid Heat Transfer

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Tooth Shape and Installation Spacing Optimization for Improved Gear Shifting Smoothness in Bicycle 1

引用

33rd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Wang, I-Hung Xu, Man-Si Chang, Shinn-Liang Natl Formosa Univ Dept Power Mech Engn Yunlin Taiwan

ISBN: (数字)9783031744853

ISBN: (纸本)9783031744846;9783031744853

In competitive bicycle racing, the ability to adjust speed and power efficiently through gear shifting is paramount. Sprockets with improperly designed tooth profiles and inadequate installation spacing can result in excessive friction and collisions with the chain, thereby affecting the smoothness of power transmission and shifting performance. The purpose of this study is to optimize the rear sprocket tooth profile and determine the optimal spacing between sprockets by analyzing the positions of chain links during gear shifting. The first step involves designing the sprocket-chain shifting contact area and calculating the optimal spacing between sprockets. Subsequently, the results of the optimal spacing calculation are verified through Recurdyn dynamic simulation analysis by simulating gear shifting under different spacing conditions to investigate its effect on the smoothness of the shifting. Experimental verification is also conducted using elliptical chainrings to examine their influence on the shifting process. Adjustments to the rear wheel load resistance values are made to simulate real riding situations, including climbing conditions. A crank-based power meter is used to record torque data, confirming the simulation results. Based on the findings, faster and smoother gear shifting can be achieved by spacing sprocket engagement points between 11 mm and 11.5 mm. In the pursuit of optimal performance in competitive cycling, advanced manufacturing and precise design refinement play crucial roles. This study not only delves into gear shifting intricacies but also highlights the broader implications of integrating cutting-edge technologies into sporting equipment design, mirroring the transformative potential seen in modern industrial settings.

关键词： Gear Shifting Tooth Shape Sprocket Engagement Points

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Cold Forging of Hollow Shafts with Variable Wall Thickness by Means of an Adjustable Forming Zone 14th

Cold Forging of Hollow Shafts with Variable Wall Thickness b...

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14th International Conference on Numerical Methods in Industrial Forming Processes (NUMIFORM)

作者： Weiss, Alexander Liewald, Mathias Univ Stuttgart Inst Met Forming Technol D-70174 Stuttgart Germany

ISBN: (纸本)9783031580086;9783031580062;9783031580055

Hollow shafts are widely used due to their high weight saving potential and only slight reduction of their bending and torsional stiffness compared to solid shafts. Additional weight savings can be achieved by a specific material allocation within the hollow shaft, which can be achieved by varying their wall thickness. The production of such hollow shafts by conventional forming processes and multiple forming stages appears quite costly today. Alternatively, incremental forming processes could be used, but those are very time-consuming. In order to overcome these disadvantages, this paper proposes a special cold forging process characterized by a locally adjustable forming zone, which allows the production of hollow shafts with variable wall thickness within one single press stroke. In previous numerical investigations, the potential of this cold forging process for the production of customized hollow shafts with predefined wall thickness locations or internal splines has already been demonstrated. However, experimental validation has not yet been carried out. In this paper, the first experimental results on hollow shafts produced with wall thickness changes along their longitudinal direction are presented. The experimental setup and the results of the tests carried out so far are described. Furthermore, the experimental results are compared with the numerical calculations of this new forming process.

关键词： Cold forging Hollow shafts Adjustable forming zone

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Pilot Project of Industrial Costing in a Ceramic Company 32nd

Pilot Project of Industrial Costing in a Ceramic Company

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32nd International Conference on Flexible Automation and Intelligent Manufacturing

作者： Amorim, Marlene Cauchick-Miguel, Paulo Augusto de Jesus, Joana Kumar, Vikas Univ Aveiro GOVCOPP Aveiro Portugal Univ Aveiro DEGEIT Aveiro Portugal Univ Fed Santa Catarina Florianopolis Brazil Univ Birmingham Birmingham England

ISBN: (纸本)9783031381645;9783031381652

This work was carried out in an industrial context though the adoption of action-research. The main objective was two-fold: (i) to implement a pilot project for improving the method for calculating the cost of ceramic products, and (ii) to achieve improvements in the production process by cost reduction though lean principles. Organizational intervention and direct observation were applied to carry out this work. This could deliver an update method for calculating the cost of products, which fulfilled the needs of a company from the ceramic sector. Improvements were achieved both in the costing method and in the organization management. The results included enhancement of a previous outdated costing method (main barrier) that enabled better management and control of a specific type of product ('blank' ceramic). Lean manufacturing applied to the production process contributed to achieving a standardized process with less waste. Future work involves expanding the company pilot project in medium and long term. Work limitations include an intervention in a single unit of analysis and a low scientific contribution.

关键词： Industrial Costs Ceramic Industry Continuous Improvement

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