Ramtin Hajirezaei | Numerical Analysis | Best Researcher Award

Dr. Ramtin Hajirezaei | Numerical Analysis | Best Researcher Award

PhD at Western Sydney University, Australia

Dr. Ramtin Hajirezaei is a dynamic civil engineer and researcher specializing in seismic analysis, modular steel structures, and structural dynamics. With a Master’s degree from Tarbiat Modares University, he has demonstrated exceptional academic and research prowess. His publications in high-impact journals reflect significant contributions to structural safety and progressive collapse mechanisms. Proficient in tools like Abaqus and Python, and backed by certifications from institutions like Georgia Tech and the University of Michigan, he bridges traditional engineering with modern computational approaches. His work stands out for its practical relevance and interdisciplinary depth, marking him as a leading figure in structural research.

Professional Profile 

Google Scholar
Scopus Profile
ORCID Profile

📚 Education

Dr. Ramtin Hajirezaei holds a Master of Science in Hydraulic Structures from Tarbiat Modares University, Tehran, where he completed a high-grade thesis on the seismic response of intake towers. He previously earned a Bachelor of Science in Civil Engineering. His academic background is rooted in advanced structural courses, including finite element methods, structural dynamics, and concrete dam design. Complementing his formal education, he has undertaken international certifications in Python programming and mechanics of materials from institutions such as Georgia Tech and the University of Michigan. This diverse academic foundation reflects both technical depth and global academic orientation.

🏢 Professional Experience

Though primarily research-focused, Dr. Ramtin Hajirezaei brings hands-on experience through technical engineering roles and advanced coursework. He has worked on seismic analysis and design of modular structures and has completed certified training in technical design at Sharif Center of Technical Applied Education. He is proficient with engineering tools such as Abaqus, Etabs, SAP, and AutoCAD—skills that have directly supported his academic and professional projects. His exposure to industry-relevant problems and advanced analytical software highlights a unique blend of theory and application. Additionally, his understanding of Python and Fortran enhances his ability to tackle complex engineering simulations and structural modeling tasks with precision.

🔬 Research Interests

Dr. Hajirezaei’s research focuses on seismic performance of structures, dynamic behavior of modular steel buildings, progressive collapse mechanisms, and the overturning behavior of free-standing towers. His interests also extend to sustainable engineering practices such as green building technologies and structural health monitoring. This diverse spectrum of research themes highlights a deep commitment to safety, innovation, and environmental responsibility. He is particularly passionate about addressing real-world challenges in earthquake-prone zones, using advanced computational modeling and simulation techniques. His goal is to integrate structural resilience with smart monitoring systems to build safer, more sustainable infrastructure for the future.

🏅 Awards and Honors

Dr. Ramtin Hajirezaei has consistently excelled throughout his academic journey, earning prestigious recognitions such as a full scholarship from Tarbiat Modares University. His innovative thinking was also showcased when he secured third place in the National Spaghetti Bridge Competition, demonstrating both creativity and structural understanding. Additionally, he is a provincial Taekwondo champion, underscoring his dedication and discipline across diverse fields. These honors reflect his multi-dimensional strengths and consistent pursuit of excellence in both academic and extracurricular arenas.

🧰 Research Skills

Dr. Hajirezaei possesses an impressive suite of research skills, combining theoretical knowledge with advanced software capabilities. He is highly proficient in structural analysis tools like Abaqus, Etabs, SAFE, and SAP, essential for simulating real-world structural responses. His programming expertise in Python and Fortran enables him to develop customized simulations and process large-scale data models efficiently. He also holds certificates in advanced materials and engineering design, alongside language fluency proven through IELTS and TOEFL scores. With competencies spanning coding, modeling, structural design, and data interpretation, he is equipped to tackle interdisciplinary research challenges with rigor and innovation.

📝Publications Top Note 

  • Title: Collapse Capacity of Modular Steel Buildings Subject to Module Loss Scenarios: The Role of Inter-Module Connections
    Authors: M. Alembagheri, P. Sharafi, R. Hajirezaei, B. Samali
    Year: 2020
    Citations: 86
    Source: Engineering Structures, Volume 210, Article 110373

  • Title: Anti-Collapse Resistance Mechanisms in Corner-Supported Modular Steel Buildings
    Authors: M. Alembagheri, P. Sharafi, R. Hajirezaei, Z. Tao
    Year: 2020
    Citations: 47
    Source: Journal of Constructional Steel Research, Volume 170, Article 106083

  • Title: Robustness of Multistory Corner‐Supported Modular Steel Frames Against Progressive Collapse
    Authors: M. Alembagheri, P. Sharafi, Z. Tao, R. Hajirezaei, K. Kildashti
    Year: 2021
    Citations: 14
    Source: The Structural Design of Tall and Special Buildings, Article e1896

  • Title: Robustness of Corner-Supported Modular Steel Buildings with Core Walls
    Authors: R. Hajirezaei, P. Sharafi, K. Kildashti, M. Alembagheri
    Year: 2024
    Citations: 6
    Source: Buildings, Volume 14, Issue 1

  • Title: Overturning Response Analysis of Free-Standing Intake Tower Subjected to Seismic Pulses
    Authors: R. Hajirezaei, M. Alembagheri
    Year: 2020
    Citations: 4
    Source: Amirkabir Journal of Civil Engineering, Volume 52, Issue 7, Pages 1817–1836

  • Title: Façade Systems for Industrialised Prefabricated Prefinished Modular Construction
    Authors: R. Hajirezaei, P. Sharafi, E.N. Farsangi, P. Rahnamayiezekavat
    Year: 2025
    Source: Automation in Construction, Volume 176

  • Title: Overturning Response Analysis of Submerged Free-Standing Blocks and Towers Subjected to Sinusoidal Pulses
    Authors: R. Hajirezaei, M. Alembagheri, H. Akbari, T. Ozbakkaloglu
    Year: 2024
    Source: Structures, Volume 64, Article 106617

🧩 Conclusion

Dr. Ramtin Hajirezaei exemplifies the qualities of a forward-thinking researcher with a strong technical foundation, global academic exposure, and a vision for resilient infrastructure. His work bridges the gap between theoretical modeling and practical application, especially in the realm of seismic safety and structural integrity. Backed by impactful publications, recognized certifications, and a broad research interest, he is not only contributing to current engineering knowledge but also paving the way for innovative future solutions. With his rare blend of analytical skills, dedication, and global mindset, he stands as a compelling candidate for prestigious research honors.

Sayed Saber | Computational Mathematics | Best Researcher Award

Prof. Sayed Saber | Computational Mathematics | Best Researcher Award

Professor at Faculty of Science, Al-Baha University, Saudi Arabia.

Prof. Sayed Saber Ali Ahmed is a distinguished mathematician and professor with over 20 years of experience in teaching and research. Specializing in Complex Analysis and Mathematical Modeling, his work bridges several fields including applied mathematics, biomathematics, and medicine. With a Ph.D. from Beni-Suef University, he has contributed to solving pseudoconvex domain problems and developed models for diseases like COVID-19 and glucose-insulin interactions. His research is published in high-impact journals and indexed in Scopus and Web of Science. 🧠📚 Prof. Saber is an invited speaker at international conferences and serves as an editor for multiple journals, further demonstrating his leadership in the academic community. While his work is already highly regarded, expanding his collaborations globally and enhancing the visibility of his research could elevate his impact even further. 🌍✨ His passion for teaching and innovation makes him an exceptional candidate for any academic recognition. 👏🎓

Professional Profile

Google Scholar
Scopus Profile
ORCID Profile

Education 🎓

Prof. Sayed Saber Ali Ahmed earned his Ph.D. in Complex Analysis from Beni-Suef University, Egypt, in 2007. His dissertation focused on existence theorems for the 𝜕-equation with estimates on complex manifolds. He also holds an M.Sc. in Complex Analysis from Cairo University (2001) and a B.Sc. in Mathematics from Cairo University (1994), graduating with honors. His solid academic foundation has paved the way for a career marked by deep exploration in mathematical theory and modeling. 📘🔬

Professional Experience 👨‍🏫

Prof. Saber has over 20 years of experience in academia, teaching at institutions like Cairo University, Beni-Suef University, and Al-Baha University. He currently holds the position of Professor at Beni-Suef University, Egypt, and Umm Al-Qura University, Saudi Arabia. He has mentored many undergraduate and graduate students, guiding them in mathematical research, especially in complex analysis and biomathematics. His teaching spans across mathematics, physics, and statistics, making him an educator with diverse expertise. 👩‍🏫📊

Research Interest 🔍

Prof. Saber’s research lies at the intersection of Complex Analysis and Applied Mathematics, with an emphasis on mathematical modeling. His work includes pseudoconvex domains, function theory, and partial differential equations. He’s also made significant contributions to biomathematics, including COVID-19 modeling and glucose-insulin interaction models. Prof. Saber’s studies bridge theoretical mathematics with practical applications in biology, medicine, and economics, providing valuable insights for global health challenges. 🌐💡

Awards and Honors 🏆

Although specific awards are not listed, Prof. Saber’s extensive academic accomplishments and contributions to mathematical theory and applied research reflect his standing as a recognized scholar. His publications in high-impact journals, his invited talks at international conferences, and his active role as an editor for leading journals in mathematics exemplify his scholarly excellence. His work, especially in complex analysis and mathematical modeling, is highly regarded worldwide. 🌟📈

Conclusion 🌟

Prof. Sayed Saber Ali Ahmed is an accomplished scholar whose work blends theory and application to address complex mathematical challenges. His leadership in academia, coupled with his contributions to applied mathematics and biomathematical research, makes him a highly respected figure in his field. With a passion for teaching, mentoring, and international collaboration, Prof. Saber continues to inspire students and peers alike. His broad research interests, solid professional experience, and commitment to academic excellence make him a standout figure in the academic community. 🌍💪

Publications Top Notes

Title: Understanding zoonotic disease spread with a fractional order epidemic model
Authors: M. Althubyani, Mohammed; H.D.S. Adam, Haroun Doud Soliman; A. Alalyani, Ahmad; S. Saber, Sayed
Year: 2025
Source: Scientific Reports
Link: (Open Access)


Title: Analyzing fractional glucose-insulin dynamics using Laplace residual power series methods via the Caputo operator: stability and chaotic behavior
Authors: S. Saber, Sayed; S.M. M Mirgani, Safa M.
Year: 2025
Citations: 1
Source: Beni-Suef University Journal of Basic and Applied Sciences
Link: (Open Access)


Title: Glucose-insulin regulatory system: Chaos control and stability analysis via Atangana–Baleanu fractal-fractional derivatives
Authors: M. Alhazmi, Muflih; S. Saber, Sayed
Year: 2025
Citations: 3
Source: AEJ – Alexandria Engineering Journal
Link: (Open Access)


Title: The Generalized Euler Method for Analyzing Zoonotic Disease Dynamics in Baboon–Human Populations
Authors: S. Saber, Sayed; E.M. Solouma, Emad M.
Year: 2025
Source: Symmetry
Link: (Open Access)


Title: An application of Newton’s interpolation polynomials to the zoonotic disease transmission between humans and baboons system based on a time-fractal fractional derivative with a power-law kernel
Authors: H.D.S. Adam, Haroun Doud Soliman; M. Althubyani, Mohammed; S.M. M Mirgani, Safa M.; S. Saber, Sayed
Year: 2025
Source: AIP Advances
Link: (Open Access)


Title: A Caputo (discretization) fractional-order model of glucose-insulin interaction: numerical solution and comparisons with experimental data
Authors: MH Alshehri, FZ Duraihem, A Alalyani, S Saber
Year: 2021
Citations: 38
Source: Journal of Taibah University for Science
Link: Link


Title: Control of Chaos in the Burke-Shaw system of fractal-fractional order in the sense of Caputo-Fabrizio
Author: S. Saber
Year: 2024
Citations: 33
Source: Journal of Applied Mathematics and Computational Mechanics
Link: Link


Title: Different strategies for diabetes by mathematical modeling: Applications of fractal–fractional derivatives in the sense of Atangana–Baleanu
Authors: KIA Ahmed, HDS Adam, MY Youssif, S. Saber
Year: 2023
Citations: 33
Source: Results in Physics
Link: Link


Title: Application of a time-fractal fractional derivative with a power-law kernel to the Burke-Shaw system based on Newton’s interpolation polynomials
Authors: N. Almutairi, S. Saber
Year: 2024
Citations: 30
Source: MethodsX
Link: Link


Title: On chaos control of nonlinear fractional Newton-Leipnik system via fractional Caputo-Fabrizio derivatives
Authors: N. Almutairi, S. Saber
Year: 2023
Citations: 27
Source: Scientific Reports
Link: Link


Title: Different strategies for diabetes by mathematical modeling: modified minimal model
Authors: KIA Ahmed, HDS Adam, MY Youssif, S. Saber
Year: 2023
Citations: 27
Source: Alexandria Engineering Journal
Link: Link


Title: Dynamical analysis of fractional-order of IVGTT glucose–insulin interaction
Authors: MH Alshehri, S. Saber, FZ Duraihem
Year: 2023
Citations: 27
Source: International Journal of Nonlinear Sciences and Numerical Simulation
Link: Link


Title: The fractal-fractional Atangana-Baleanu operator for pneumonia disease: stability, statistical and numerical analyses
Authors: N. Almutairi, S. Saber, H. Ahmad
Year: 2023
Citations: 27
Source: AIMS Mathematics
Link: Link


Title: Chaos control and numerical solution of time-varying fractional Newton-Leipnik system using fractional Atangana-Baleanu derivatives
Authors: N. Almutairi, S. Saber
Year: 2023
Citations: 26
Source: AIMS Mathematics
Link: Link