The autonomous grasping operation is the key to the intelligent logistics sorting manipulators. Since the current logistics sorting manipulators mostly use visual sensors to identify objects, they are extremely vulnerable to the changes in the lighting environment. Therefore, the research considers the influence of complex lighting environment on the autonomous grasping of logistics sorting manipulators. Furthermore, it verifies the effectiveness of SAC-AE-ICM algorithm through simulations and experiments. The experimental results show that SAC-AE-ICM algorithm can quickly achieve convergence in many experiments and can obtain global optimization. In the process of automatic capture, the success rate of SAC-AE-ICM algorithm can reach 90%, which is 25% higher than that of the method without ICM and has better convergence. The success rate was as high as 77% for unknown or irregular targets. In practical experiments, SAC-AE-ICM can effectively capture under good lighting conditions. However, under low light conditions, the probability of capturing unknown targets is about 72.5%. Overall, the success rates for single-object and multi-object capture are 88% and 85%, respectively.
{"title":"Autonomous Control Method for Object Grasping of Logistics Sorting Manipulator Considering Changes in Lighting Environment","authors":"Y. Liu","doi":"10.4273/ijvss.15.2.06","DOIUrl":"https://doi.org/10.4273/ijvss.15.2.06","url":null,"abstract":"The autonomous grasping operation is the key to the intelligent logistics sorting manipulators. Since the current logistics sorting manipulators mostly use visual sensors to identify objects, they are extremely vulnerable to the changes in the lighting environment. Therefore, the research considers the influence of complex lighting environment on the autonomous grasping of logistics sorting manipulators. Furthermore, it verifies the effectiveness of SAC-AE-ICM algorithm through simulations and experiments. The experimental results show that SAC-AE-ICM algorithm can quickly achieve convergence in many experiments and can obtain global optimization. In the process of automatic capture, the success rate of SAC-AE-ICM algorithm can reach 90%, which is 25% higher than that of the method without ICM and has better convergence. The success rate was as high as 77% for unknown or irregular targets. In practical experiments, SAC-AE-ICM can effectively capture under good lighting conditions. However, under low light conditions, the probability of capturing unknown targets is about 72.5%. Overall, the success rates for single-object and multi-object capture are 88% and 85%, respectively.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90865408","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}
Cellulose is one of the most frequently used and generally available materials on Earth and has been utilized for ages in a variety of applications. Numerous researchers have investigated various lignocellulosic sources for the extraction of cellulose and the author has introduced a new source for the extraction of cellulose and cellulosic nanofibers: fruits or seedpods of Delonix Regia (CNF). The solvent casting process is used to create the PVA/CNF composite after the cellulose and CNF have been removed using a mechano-chemical method. SEM, tensile testing, soil burial testing and moisture absorption tests have all been used to examine the morphological, mechanical, biodegradable and moisture absorption capabilities of pure PVA and PVA/CNF composite with 1, 3, 5, 7 and 9 percentages of CNF. According to SEM findings, agglomeration was seen at higher concentrations but uniform and homogenous distribution of nano-fillers was seen at lower percentages of CNF. It is profusely clear from the results of the tensile tests that the percentage elongation initially decreased and then began to increase at higher concentration, while the Young’s modulus and tensile strength initially increased at lower percentages of CNF rapidly and gradually decreased for higher concentration. Pure PVA had the least resistance to degradation in biodegradability test, while the biodegradability test showed that the inclusion of CNF decreased the composite material’s ability to degrade. With the addition of CNF, the rate of moisture absorption decreased, resulting in a PVA/CNF composite material that will last longer and perform better without material degradation.
{"title":"Mechanical and Barrier Properties of Cellulosic Nano-Fibers Reinforced Bionanocomposite","authors":"Kalpit P. Kaurase, Dalbir Singh","doi":"10.4273/ijvss.15.1.08","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.08","url":null,"abstract":"Cellulose is one of the most frequently used and generally available materials on Earth and has been utilized for ages in a variety of applications. Numerous researchers have investigated various lignocellulosic sources for the extraction of cellulose and the author has introduced a new source for the extraction of cellulose and cellulosic nanofibers: fruits or seedpods of Delonix Regia (CNF). The solvent casting process is used to create the PVA/CNF composite after the cellulose and CNF have been removed using a mechano-chemical method. SEM, tensile testing, soil burial testing and moisture absorption tests have all been used to examine the morphological, mechanical, biodegradable and moisture absorption capabilities of pure PVA and PVA/CNF composite with 1, 3, 5, 7 and 9 percentages of CNF. According to SEM findings, agglomeration was seen at higher concentrations but uniform and homogenous distribution of nano-fillers was seen at lower percentages of CNF. It is profusely clear from the results of the tensile tests that the percentage elongation initially decreased and then began to increase at higher concentration, while the Young’s modulus and tensile strength initially increased at lower percentages of CNF rapidly and gradually decreased for higher concentration. Pure PVA had the least resistance to degradation in biodegradability test, while the biodegradability test showed that the inclusion of CNF decreased the composite material’s ability to degrade. With the addition of CNF, the rate of moisture absorption decreased, resulting in a PVA/CNF composite material that will last longer and perform better without material degradation.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89608323","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}
In the event of an accident, in today’s vehicle belt and airbag systems and steering columns absorb the kinetic energy of occupants in front crashes. Most steering columns are equipped with a deformation device, which provides additional forward displacement of the steering wheel when being impacted dynamically by the occupant. As these features perform on predefined force levels, they deform less when loaded with lower energy, e.g. when impacted by a smaller occupant. So especially for occupants of lower kinetic energy the maximum available forward displacement is not provided, so they will be decelerated on a higher g-levels than needed. This study investigates for different dummies how the force level of the steering column must be designed to keep the standard injury criteria as low as possible. The aim is to make a statement about the required optimized force levels of the steering column in order to examine technical feasibility in subsequent studies. To carry out these investigations, a parameter study is carried out in Siemens Madymo and the results obtained are interpreted. Subsequently, the limitations of this study are pointed out and further improvements are suggested.
{"title":"Impact of Steering Column Stiffness on the Injury Criteria of Dummies using Siemens Madymo","authors":"F. Bentgens, P. Koenig, M. Jaikumar, V. Hariram","doi":"10.4273/ijvss.15.1.20","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.20","url":null,"abstract":"In the event of an accident, in today’s vehicle belt and airbag systems and steering columns absorb the kinetic energy of occupants in front crashes. Most steering columns are equipped with a deformation device, which provides additional forward displacement of the steering wheel when being impacted dynamically by the occupant. As these features perform on predefined force levels, they deform less when loaded with lower energy, e.g. when impacted by a smaller occupant. So especially for occupants of lower kinetic energy the maximum available forward displacement is not provided, so they will be decelerated on a higher g-levels than needed. This study investigates for different dummies how the force level of the steering column must be designed to keep the standard injury criteria as low as possible. The aim is to make a statement about the required optimized force levels of the steering column in order to examine technical feasibility in subsequent studies. To carry out these investigations, a parameter study is carried out in Siemens Madymo and the results obtained are interpreted. Subsequently, the limitations of this study are pointed out and further improvements are suggested.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75779088","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}
This paper analyses the ride behaviour of a 2 degrees of freedom model of three-wheel vehicle subjected to bounce and pitch velocity inputs. This paper also demonstrates the isolation properties of semi-active suspension using skyhook dampers. The results show semi-active suspension can provide isolation near resonance as compared with passive suspension when subjected to bounce and pitch velocity inputs. Below and beyond the resonating frequencies, the behaviour of passive and semi-active suspension is identical for all damping values.
{"title":"Ride Behaviour of Three-Wheel Vehicle using Semi-Active Suspension using Skyhook Control Strategy","authors":"R. Sharma, Sono Bhardawaj, S. Sharma, Shashi Bahl","doi":"10.4273/ijvss.15.1.05","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.05","url":null,"abstract":"This paper analyses the ride behaviour of a 2 degrees of freedom model of three-wheel vehicle subjected to bounce and pitch velocity inputs. This paper also demonstrates the isolation properties of semi-active suspension using skyhook dampers. The results show semi-active suspension can provide isolation near resonance as compared with passive suspension when subjected to bounce and pitch velocity inputs. Below and beyond the resonating frequencies, the behaviour of passive and semi-active suspension is identical for all damping values.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"14 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81634920","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}
In the present work, 6 mm plates of Al-Mg alloy AA5083-H321 was friction welded. Weld microstructures, hardness values and tensile properties were evaluated in the welded condition. Macrostructure studies revealed that the shape of the stir zone is a basin-shaped type and it appeared more like a rectangular box and no macroscopic defect or weakly bonded regions were observed in the weld region, which extended through the full thickness of the plates. There were no noticeable changes in the microstructure compared to the respective unaffected base material and there was not much of difference in the microstructures of the nugget and the base metal. The pitting corrosion results indicate that there was noticeable improvement in the pitting potential values of the welds. The weld nugget region exhibited better pitting corrosion resistance compared to other regions. The base material and the friction stir welded materials are far superior in resistance to salt fog corrosion.
{"title":"Mechanical Properties and Pitting Corrosion of Friction Stir Welded Aluminium Alloy 5083 (H321)","authors":"K. Elsie Femina, M. Koilraj","doi":"10.4273/ijvss.15.1.17","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.17","url":null,"abstract":"In the present work, 6 mm plates of Al-Mg alloy AA5083-H321 was friction welded. Weld microstructures, hardness values and tensile properties were evaluated in the welded condition. Macrostructure studies revealed that the shape of the stir zone is a basin-shaped type and it appeared more like a rectangular box and no macroscopic defect or weakly bonded regions were observed in the weld region, which extended through the full thickness of the plates. There were no noticeable changes in the microstructure compared to the respective unaffected base material and there was not much of difference in the microstructures of the nugget and the base metal. The pitting corrosion results indicate that there was noticeable improvement in the pitting potential values of the welds. The weld nugget region exhibited better pitting corrosion resistance compared to other regions. The base material and the friction stir welded materials are far superior in resistance to salt fog corrosion.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82299739","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}
With a speedy advancement in vehicle speed and transport capability, a huge challenge has been imposed to improve railway vehicle dynamic behaviour and track design to ensure the optimum performance of railway vehicles and tracks. To safely negotiate the vehicle speed on circular and transition curve tracks several aspects such as wheel-rail wear, smooth ride and vehicle stability need to be analysed. The investigators have paid great attention to exploring the compatibility among vehicle stability and curving ability, parametric analysis and optimization of curving performance, minimising the wheel-rail wear and curve squeal noise etc. The present paper focuses on reviewing these past efforts made by the researchers.
{"title":"A Review of Wheel-Rail Dynamic Behavior on Curved Tracks","authors":"R. Sharma, S. Palli, Sono Bhardawaj","doi":"10.4273/ijvss.15.1.04","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.04","url":null,"abstract":"With a speedy advancement in vehicle speed and transport capability, a huge challenge has been imposed to improve railway vehicle dynamic behaviour and track design to ensure the optimum performance of railway vehicles and tracks. To safely negotiate the vehicle speed on circular and transition curve tracks several aspects such as wheel-rail wear, smooth ride and vehicle stability need to be analysed. The investigators have paid great attention to exploring the compatibility among vehicle stability and curving ability, parametric analysis and optimization of curving performance, minimising the wheel-rail wear and curve squeal noise etc. The present paper focuses on reviewing these past efforts made by the researchers.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81524778","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}
K. R. Patil, A. Raul, Aniket Anbhule, Madhura Barve, Ajay Bedare, Yogesh Magare
Batteries have wide applications in engineering. They are extensively used in hybrid electric vehicles (HEVs) and electric vehicles (EVs), where a suitable battery thermal management system (BTMS) is vital in ensuring the safety and reliability operations of batteries. The purpose of this study is to offer an air-cooling system that utilizes a novel V-type staggered arrangement of plate-fin heat sink for forced air cooling. To keep the temperature of a lithium-ion battery pack within the optimal temperature range for the safety of the battery and the consumer to prevent the battery from catching fire. The paper also presents a comparison between straight rectangular fins and V-type staggered arrangement heat sinks. The thermal management of batteries equipped with a heat sink is numerically controlled, to ensure the battery's overall performance and longevity modules/packs for electric cars. A three-dimensional heat sink model was constructed and a numerical approach was used to explore the impacts of the number of fins on the heat sink, fin spacing and angle of inclination of the fins at different inlet air mass flow rates and varied heat input. The analysis presents a computational approach and traditional heat transfer theory.
{"title":"Performance Evaluation of BTMS for Electric Vehicles using Heat Sink - A Numerical Study","authors":"K. R. Patil, A. Raul, Aniket Anbhule, Madhura Barve, Ajay Bedare, Yogesh Magare","doi":"10.4273/ijvss.15.1.07","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.07","url":null,"abstract":"Batteries have wide applications in engineering. They are extensively used in hybrid electric vehicles (HEVs) and electric vehicles (EVs), where a suitable battery thermal management system (BTMS) is vital in ensuring the safety and reliability operations of batteries. The purpose of this study is to offer an air-cooling system that utilizes a novel V-type staggered arrangement of plate-fin heat sink for forced air cooling. To keep the temperature of a lithium-ion battery pack within the optimal temperature range for the safety of the battery and the consumer to prevent the battery from catching fire. The paper also presents a comparison between straight rectangular fins and V-type staggered arrangement heat sinks. The thermal management of batteries equipped with a heat sink is numerically controlled, to ensure the battery's overall performance and longevity modules/packs for electric cars. A three-dimensional heat sink model was constructed and a numerical approach was used to explore the impacts of the number of fins on the heat sink, fin spacing and angle of inclination of the fins at different inlet air mass flow rates and varied heat input. The analysis presents a computational approach and traditional heat transfer theory.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89825248","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}
Hybrid systems are evaluated primarily on GHG reduction reliability and cost of their system. It was decided that a rural Indian village would benefit from a grid-connected hybrid PV/WT battery system, the main objective of this investigation was to find the most cost-effective sizing of the parts for non-conventional energy-based hybrid systems. Maximizing the NCEF of the system was employed as the third fitness function to accomplish this aim by using the horse herd optimization approach to minimize two other objective functions, COE and LPSP while maximizing the system's NCEF. Three scenarios were given in this report to investigate how a proposed hybrid system and the grid's capacity to sell or purchase energy from each other would affect the interplay between the two. Economically optimum solution (lowest COE), renewable energy utilization viewpoint (highest NCEF) and ecologically ideal option (lowest COE) were the three views of horse herd optimization outcomes and the overall system is simulated and tested in MATLAB/Simulink.
{"title":"Hybrid PV Wind Battery Optimal Sizing using Horse-Herd Optimization","authors":"B. Nithin, K. Shafeeque Ahmed, R. Zahira","doi":"10.4273/ijvss.15.1.24","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.24","url":null,"abstract":"Hybrid systems are evaluated primarily on GHG reduction reliability and cost of their system. It was decided that a rural Indian village would benefit from a grid-connected hybrid PV/WT battery system, the main objective of this investigation was to find the most cost-effective sizing of the parts for non-conventional energy-based hybrid systems. Maximizing the NCEF of the system was employed as the third fitness function to accomplish this aim by using the horse herd optimization approach to minimize two other objective functions, COE and LPSP while maximizing the system's NCEF. Three scenarios were given in this report to investigate how a proposed hybrid system and the grid's capacity to sell or purchase energy from each other would affect the interplay between the two. Economically optimum solution (lowest COE), renewable energy utilization viewpoint (highest NCEF) and ecologically ideal option (lowest COE) were the three views of horse herd optimization outcomes and the overall system is simulated and tested in MATLAB/Simulink.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85919874","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}
B. Gowthama Rajan, P. Sambandam, V. Hariram, V. Vinodkumar
It is very advantageous to have a solid grasp of the thermo-elasticity property of the material while designing an automobile brake at an early design stage. To ensure mechanical brakes' longevity and compactness, which are both crucial in this application, it is recommended that the accurate prediction technique of maximum structural stress be employed throughout the design process for mechanical brakes. As a consequence of this research, a practical and dependable analytical approach for the design of mechanical brakes has been developed, which makes use of modelling and analysis methodologies to accomplish its objectives. In this research, the stress analysis of an automobile's brake was carried out, with the purpose of minimising the stress and pressure created in the brake as a result of the vehicle braking. The complete investigation of the brake, as well as the modelling of the brake, will be carried out using the ANSYS software. The CAD software called CATIA will be used to do the clutch analysis. It is envisaged that this effort will also contribute to the creation of the most efficient and dependable mechanical brake design in the future. In this study, we investigate the structural, thermal and wear behaviour aspects of brake shoe liners coated with nano composite coating materials such as ZrO2 to see how they perform.
{"title":"Influence of Nano Material Coating on the Automotive Brake Liner – An Investigational Approach","authors":"B. Gowthama Rajan, P. Sambandam, V. Hariram, V. Vinodkumar","doi":"10.4273/ijvss.15.1.21","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.21","url":null,"abstract":"It is very advantageous to have a solid grasp of the thermo-elasticity property of the material while designing an automobile brake at an early design stage. To ensure mechanical brakes' longevity and compactness, which are both crucial in this application, it is recommended that the accurate prediction technique of maximum structural stress be employed throughout the design process for mechanical brakes. As a consequence of this research, a practical and dependable analytical approach for the design of mechanical brakes has been developed, which makes use of modelling and analysis methodologies to accomplish its objectives. In this research, the stress analysis of an automobile's brake was carried out, with the purpose of minimising the stress and pressure created in the brake as a result of the vehicle braking. The complete investigation of the brake, as well as the modelling of the brake, will be carried out using the ANSYS software. The CAD software called CATIA will be used to do the clutch analysis. It is envisaged that this effort will also contribute to the creation of the most efficient and dependable mechanical brake design in the future. In this study, we investigate the structural, thermal and wear behaviour aspects of brake shoe liners coated with nano composite coating materials such as ZrO2 to see how they perform.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"162 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82443818","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}
P. Balguri, S. Sathees Kumar, T. Tirupathi, Yugendher Malothu, D. Gara, Ajith Raj Rajendran
Plastic deformation during the metal forming process involves very distinctive behavior of parameters, which results in complicated mathematical modelling to estimate the forming load. As the complexity of the shape increase, the determination of forming (punch) load becomes intricate. In this context, the present work cover parameters influencing the grid independency on forming load during combined extrusion and forging of single collar collet chuck holder which is predicted followed by validation with experimental results. It can be observed from the numerical analysis that the grid dependency on the ram velocities shows a negligible effect whereas friction factor ensued a fragile variation.
{"title":"Grid Dependency of Severe Plastic Deformation during Combined Extrusion and Forging Process","authors":"P. Balguri, S. Sathees Kumar, T. Tirupathi, Yugendher Malothu, D. Gara, Ajith Raj Rajendran","doi":"10.4273/ijvss.15.1.10","DOIUrl":"https://doi.org/10.4273/ijvss.15.1.10","url":null,"abstract":"Plastic deformation during the metal forming process involves very distinctive behavior of parameters, which results in complicated mathematical modelling to estimate the forming load. As the complexity of the shape increase, the determination of forming (punch) load becomes intricate. In this context, the present work cover parameters influencing the grid independency on forming load during combined extrusion and forging of single collar collet chuck holder which is predicted followed by validation with experimental results. It can be observed from the numerical analysis that the grid dependency on the ram velocities shows a negligible effect whereas friction factor ensued a fragile variation.","PeriodicalId":14391,"journal":{"name":"International Journal of Vehicle Structures and Systems","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78970399","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}
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