Ivo Draganov | Numerical modeling | Best Researcher Award

Mr. Ivo Draganov | Numerical modeling | Best Researcher Award

Assistant Professor at University of Ruse, Bulgaria

Summary:

Dr. Ivo Draganov is an accomplished mechanical engineer and academic with over 15 years of experience in both industry and academia. Currently an Assistant Professor at the University of Ruse “Angel Kanchev,” he combines his extensive knowledge of solid mechanics and structural analysis with a passion for teaching and advancing mechanical engineering research. Dr. Draganov’s expertise in the finite element method and his industrial experience contribute to his reputation as a leading specialist in applied mechanics in Bulgaria.

Professional Profile:

👩‍🎓Education:

Dr. Ivo Draganov earned his Ph.D. in Solid Mechanics from the University of Ruse “Angel Kanchev” in 2005, with his research focusing on the Application of Finite Element Method for Investigation of Stress and Strain State in Helical Bodies. He also holds a Master of Science degree in Mechanical Engineering from the same institution (2001), where he specialized in the finite element method, dynamics of machinery, and structural analysis. His master’s thesis focused on the Calculation of Bus Suspension by the Finite Element Method.

🏢 Professional Experience:

Since 2008, Dr. Draganov has been serving as an Assistant Professor at the University of Ruse “Angel Kanchev” in Bulgaria, where he teaches courses in Applied Mechanics, Mechanics of Materials, Finite Element Method, and Applied Theory of Elasticity and Plasticity. Prior to his academic role, he gained substantial experience in industry at Sparky AD in Ruse, Bulgaria, where he held various positions including Department Manager of Industrial Outsourcing, Outsourcing Coordinator, and Designer-Technologist. His responsibilities ranged from managing subcontractor activities and coordinating outsourcing efforts to preparing technological documentation and introducing new technological solutions for production.

Research Interests:

Dr. Draganov’s primary research interests lie in solid mechanics, particularly the application of the finite element method (FEM) for analyzing stress, strain, and structural behavior in complex materials and mechanical systems. His work includes investigating stress distributions and optimizing mechanical components using FEM, as well as exploring applied theory in elasticity and plasticity.

Author Metrics:

Dr. Draganov has authored and co-authored several research papers and technical reports in solid mechanics, primarily focused on FEM applications and structural optimization. His publications contribute to advancements in stress analysis methodologies and the development of practical solutions for mechanical design. Specific author metrics and publication details can be provided upon request.

Top Noted Publication:

Multi-Criteria Calibration of a Thermo-Mechanical Model of Steel Plate Welding in Vacuum

  • Journal: Journal of Manufacturing and Materials Processing
  • Date: 2024-10-05
  • DOI: 10.3390/jmmp8050225
  • Contributors: Ivo Draganov, Venko Vitliemov, Yuliyan Angelov, Stiliyana Mileva, Nikolay Ferdinandov, Danail Gospodinov, Rossen Radev
  • Description: This study presents a calibrated thermo-mechanical model for steel plate welding under vacuum conditions, using a multi-criteria approach to enhance prediction accuracy and application reliability.

Finite Element Modeling and Verification of the Plunge Stage in Friction Stir Welding

  • Journal: Materials Science Forum
  • Date: 2023-08-28
  • DOI: 10.4028/p-x4FWYY
  • Contributors: Ivo Draganov, Danail Gospodinov, Rossen Radev, Nikolay Ferdinandov
  • Description: This paper explores finite element modeling of the plunge stage in friction stir welding, providing insights into the thermal and mechanical behaviors during the initial welding process.

Comparison of Two Numerical Models for Friction Stir Welding

  • Journal: Defect and Diffusion Forum
  • Date: 2022-05-27
  • DOI: 10.4028/p-xbmg1c
  • Contributors: Ivo Draganov, Nikolay Ferdinandov
  • Description: This study compares two numerical models for friction stir welding, evaluating their efficacy in simulating temperature distribution and material flow during the welding process.

Finite Element Modeling of Laser Aluminum Marking

  • Journal: Journal of Physics: Conference Series
  • Date: 2021
  • DOI: 10.1088/1742-6596/1859/1/012017
  • Contributors: Lazov, L., Angelov, N., Draganov, I., Atanasov, A., Lengerov, A., Teirumnieks, E., Balchev, I.
  • Description: This conference paper focuses on the finite element modeling of laser marking on aluminum surfaces, with an emphasis on optimizing marking quality through controlled parameters.

Conclusion:

Dr. Ivo Draganov’s research achievements and academic contributions make him a strong candidate for the Best Researcher Award. His expertise in finite element modeling, particularly in welding and material behavior, addresses key challenges in mechanical engineering and has significant implications for industrial processes. His unique combination of industry experience and academic leadership adds further value to his contributions, positioning him as an influential researcher in applied mechanics. By continuing to expand his research scope and increase his international visibility, Dr. Draganov can enhance his standing as a leading expert in his field, making him a highly deserving candidate for this award.

 

 

Ritwik Maiti | Mechanical Engineering | Best Researcher Award

Dr. Ritwik Maiti | Mechanical Engineering | Best Researcher Award

Assistant Professor at Birla Institute of Technology Mesra, India

Summary:

Dr. Ritwik Maiti is an accomplished researcher in the field of fluid dynamics and granular flow, with a particular emphasis on the behavior of granular materials in various contexts such as silos, open channels, and underground cavities. His work has contributed significantly to understanding the flow of granular media in natural and industrial processes. Dr. Maiti has held prestigious research positions at the National University of Singapore and the University of Sheffield, where he worked on projects ranging from wind-tunnel tests to flow modeling in porous media. He is currently contributing to the academic and research community at Birla Institute of Technology Mesra, where he continues his innovative research on granular flows and their interactions with fluid dynamics.

Professional Profile:

👩‍🎓Education:

Dr. Ritwik Maiti is an Assistant Professor in the Department of Mechanical Engineering at Birla Institute of Technology, Mesra, Ranchi. He earned his Ph.D. in Mechanical Engineering from the Indian Institute of Technology Kharagpur (2011–2017), where his research focused on the dynamics of dense granular flows through silos, closed channels, and open channels. Dr. Maiti holds a Master of Engineering (M.E.) in Heat Power Engineering from Jadavpur University, Kolkata (2009–2011), and a Bachelor of Technology (B.Tech) in Mechanical Engineering from Kalyani Government Engineering College, West Bengal (2008).

🏢 Professional Experience:

Dr. Maiti has extensive research experience in both mechanical and civil engineering. From 2018 to 2021, he was a Research Fellow with the Fluid Mechanics Research Group at the National University of Singapore, where he worked on projects related to wind-tree interaction and the minimization of granular mixture segregation. Prior to this, he was a Research Associate at the University of Sheffield (2017–2018), where he focused on modeling flow through porous granular media as part of the Geotechnical Engineering Research Group. His professional expertise includes the design and development of experimental fluid flow facilities and the handling of advanced equipment such as high-speed cameras, particle image velocimetry, and particle analyzers.

Research Interests:

Dr. Maiti’s research interests lie at the intersection of fluid mechanics and granular flow. His areas of focus include:

  • Experimental Fluid Dynamics
  • Granular Flow Dynamics
  • Geophysical Flows and Avalanches
  • Granular Mixing and Segregation
  • Fluid-Structure Interaction
  • Impact Crater Analysis
  • Underground Cavity Collapse
  • Multiphase Flows
  • Discrete Element Model (DEM)
  • Computational Fluid Dynamics (CFD) and CFD-DEM Coupling

He is also skilled in high-speed photography, image processing, and the use of software such as Matlab, Autocad, and LIGGGHTS for simulation and analysis.

Author Metrics:

Dr. Maiti has published numerous articles in international journals and conferences, including:

  • 10 publications in top-tier journals such as Physics of Fluids, Powder Technology, and AIChE Journal.
  • Contributions to leading conferences such as the International Conference on Fluid Mechanics and Fluid Power and the International Conference on Multiphase Flow.
  • A book chapter published by Springer in 2017.
  • Several research papers currently under review in journals like Powder Technology and Ocean Engineering.

Dr. Maiti’s research on granular dynamics has garnered significant attention in his field, contributing valuable insights into both theoretical models and practical applications.

Top Noted Publication:

Experiments on Eccentric Granular Discharge from a Quasi-Two-Dimensional Silo

  • Authors: R. Maiti, G. Das, P.K. Das
  • Journal: Powder Technology
  • Volume: 301
  • Pages: 1054-1066
  • Year: 2016
  • Citations: 35
  • Summary: This study presents experimental investigations on granular discharge from a quasi-two-dimensional silo with an eccentric outlet. The paper discusses the flow behavior, discharge rates, and the formation of patterns in the granular material as it exits the silo. The experiments provide a detailed understanding of the flow field dynamics during eccentric discharge.

Granular Drainage from a Quasi-2D Rectangular Silo through Two Orifices Symmetrically and Asymmetrically Placed at the Bottom

  • Authors: R. Maiti, G. Das, P.K. Das
  • Journal: Physics of Fluids
  • Volume: 29 (10)
  • Year: 2017
  • Citations: 25
  • Summary: This research explores the granular flow through a rectangular silo with two bottom orifices, placed both symmetrically and asymmetrically. The work examines how different placement configurations of the orifices affect the flow and drainage dynamics of granular materials, contributing valuable insights into granular discharge mechanics.

Flow Field During Eccentric Discharge from Quasi-Two-Dimensional Silos—Extension of the Kinematic Model with Validation

  • Authors: R. Maiti, S. Meena, P.K. Das, G. Das
  • Journal: AIChE Journal
  • Volume: 62 (5)
  • Pages: 1439-1453
  • Year: 2016
  • Citations: 19
  • Summary: This paper extends a kinematic model to describe the flow field during eccentric discharge from a quasi-2D silo. The study provides experimental validation of the model and offers insights into the flow patterns and velocity fields of granular materials, expanding the understanding of discharge processes in industrial and natural granular systems.

Cracking of Tar by Steam Reforming and Hydrogenation: An Equilibrium Model Development

  • Authors: R. Maiti, S. Ghosh, S. De
  • Journal: Biomass Conversion and Biorefinery
  • Volume: 3
  • Pages: 103-111
  • Year: 2013
  • Citations: 6
  • Summary: This paper focuses on developing an equilibrium model for tar cracking using steam reforming and hydrogenation. The study addresses the challenges associated with tar removal in biomass gasification and proposes a model to predict the outcomes of chemical reactions involved in the process.

Self-Organization of Granular Flow by Basal Friction Variation: Natural Jump, Moving Bore, and Flying Avalanche

  • Authors: R. Maiti, G. Das, P.K. Das
  • Journal: AIChE Journal
  • Volume: 69 (1)
  • Article: e17943
  • Year: 2023
  • Citations: 2
  • Summary: This recent study investigates the self-organization phenomena in granular flows due to variations in basal friction. The paper describes natural jumps, moving bores, and flying avalanches in granular media, providing key insights into the mechanics of granular flow and segregation.

Conclusion:

Dr. Ritwik Maiti’s contributions to fluid dynamics and granular flow research, particularly in areas like silo flows and porous media, make him a strong candidate for the Best Researcher Award. His published work demonstrates both depth and innovation in key fields of mechanical engineering, and his international experience enhances his profile. While expanding his research into more applied fields and taking on greater leadership roles could strengthen his application, his current contributions to science are exceptional, positioning him well for recognition in the field of mechanical engineering research.

 

Sunday Olayinka Oyedepo | Mechanical Engineering | Academic Excellence Paper Award