Mathematics Home Introduction Chair Department Salient Features of Department Teaching Faculty Programs Offered Courses Description Programs Detail BS Computational Mathematics with Data Analytics MS Statistic and Data Analytics Science Research Areas Achievements

Dr. Waqas Sarwar Abbasi
Associate Professor
Contact Information
  [email protected]
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Education Detail
PhD (Mathematics) COMSATS Islamabad

1. Rahman, H., Islam, S.U., Abbasi, W.S., Manzoor, R., Amin, F. & Alam, Z. (2021). Numerical Computations for Flow Patterns and Force Statistics of Three Rectangular Cylinders. Mathematical Problems in Engineering. 2021, 9991132. 2. Rahman, H., Islam, S.U., Ali, I.. Khan, M. U., Abbasi, W.S., & Manzoor, R. (2021) Lattice Boltzmann analysis of fluid structure interaction mechanism around a row of five side-by-side square cylinders. Ocean Engineering. 238 (2021) 109738.3. Majeed, A. H., Mahmood, R., Abbasi, W. S. & Usman, K. (2021). Numerical Computation of MHD Thermal Flow of Cross Model over an Elliptic Cylinder: Reduction of Forces via Thickness Ratio. Mathematical Problems in Engineering. 2021, 2550440. 4. Usman, K., Asmat, J., Abbasi, W. S., Jabeen, S. & Ali, J. (2021). Analysis of a floating particle interacting with fixed cylinders inside a channel. Journal of the Brazilian Society of Mechanical Sciences and Engineering. 2021, 43:565. 5. Rahman, H., Khan, I., Islam, S.U., Abbasi, W. S., Ullah, R. and Khan, M.U. (2022). Numerical analysis of fluid flow dynamics around two side by side square cylinders in the presence and absence of splitter plate. Journal of the Brazilian Society of Mechanical Sciences and Engineering. (2022) 44:552. 6. Abbasi, W. S., Ismail, S., Nadeem, S., Rahman, H., Majeed, A.H., Khan, I., and Mohammad, A. (2023). Passive control of wake flow behind a square cylinder using a flat plate. Frontiers in Physics. 11(2023), 1-15. 7. Abbasi, W. S., Nadeem, S., and Rahman, H. (2023). Passive flow control around two side-by-side square cylinders using a control plate. Mathematical Problems in Engineering. 2023, 1652994, 1-15. 8. Ain, Q.U., Mahmood, R. and Abbasi, W.S. (2023). Control over vortex shedding and drag force on a circular obstacle using a pair of downstream splitter plates in a transient flow. Mathematical Problems in Engineering. 2023, 6142773, 1-10. 9. Rahman, H., Qadim, K., Ullah, R. and Abbasi, W.S. (2023). Numerical simulations of flow characteristics of two side-by-side square cylinders with connected splitters. Computational Particle Mechanics. 10, 1397-1409 10. Abbasi, W.S., Jameel, R., Rahman, H. and Islam, S.U. (2023). Numerical analysis of hydrodynamic forces and flow modes variation around a cluster of four cylinders. Journal of the Brazilian Society of Mechanical Sciences and Engineering. (2023) 45:394. 11. Tahir, N., Abbasi, W.S., Rahman, H., Alrashoud, M., Ghoneim, A. and Alelaiwi, A. (2023). Rectangular cylinder orientation and aspect ratio impact on the onset of vortex shedding. Mathematics. 11(22), 4571. 12. Rahman, H., Abbasi, W.S., Ismail, S., and Nadeem, S. (2024). Influence of an upstream attached flat plate on the Newtonian flow past a square cylinder. International Journal of Heat and Fluid Flow. 105 (2024) 109272. 13. Nadeem, S., Abbasi, W.S. and Rahman, H. (2024). Enhancing hydrodynamic drag and lift reduction around two staggered obstacles via control plates. Ocean Engineering. 293, 116606. 14. Abbasi, W.S., Ehsan, M., Rahman, H., Uddin, M.Z., Hassan, M.M. and Salim, K. (2024). Analysis of wake mechanism in external flow around tandem bluff bodies with different aspect ratios. Frontiers in Mechanical Engineering 10:1341618. 15. Rahman, H., Khan, I.A., Abbasi, W.S., and Islam, S.U. (2024). Aerodynamic characteristics and wake formation behind a pair of side-by-side rectangular cylinders using the lattice Boltzmann method. Ocean Engineering. 303 (2024) 117813. 16. Kalsoom, S., Abbasi, W.S. and Manzoor, R. (2024). Numerical study of flow past two square cylinders with horizontal detached control rod through passive control method. AIP Advances. 14, 065009 (2024). 17. Ali, A.R., Abbasi, W.S., Rabia Younus, R., Rahman, H., Nadeem, S., Majeed, A.H. and Ahmad. I. (2024). Enhancing hydrodynamic forces through miniaturized control of square cylinders using the lattice Boltzmann method. Scientific Reports. (2024), 14:15524. 18. Abbasi, W.S., Nadeem, S., Saleem, A. and Rahman, H. (2024). Improvement of vortex shedding control and drag reduction on a square cylinder using twin plates. International Journal of Modern Physics C. (2024) 2450208. 19. Ali, A.R., Abbasi, W.S., Bibi, B., Rahman, H., Islam, S.U., Majeed, A.H. and Ahmad. I. (2024). Spacing effects on flows around two square cylinders in staggered arrangement via LBM. Scientific Reports. (2024), 14:18049. 18. Abbasi, W.S., Nadeem, S., Saleem, A. and Rahman, H. (2024). Improvement of vortex shedding control and drag reduction on a square cylinder using twin plates. International Journal of Modern Physics C. (2024) 2450208.19. Ali, A.R., Abbasi, W.S., Bibi, B., Rahman, H., Islam, S.U., Majeed, A.H. and Ahmad. I. (2024). Spacing effects on flows around two square cylinders in staggered arrangement via LBM. Scientific Reports. (2024), 14:18049. 20. Kalsoom, S., Abbasi, W.S., Manzoor, R. Fiidow, M. and Siddiqui, I. (2024). Numerical simulation of wake flow around two square cylinders through passive control method. Physics of Fluids. 36, 086125 (2024). 21. Abbasi, W.S., Tahir, N. and Rahman, H. (2024). Analysis of the cross-flow features around two side-by-side rectangular cylinders. Ocean Engineering. 311(2024), 118966. 22. Ghayoor, M., Abbasi, W.S., Tlija, M., Ghith, E, and Majeed, A.H. (2024). A comprehensive assessment of gap spacing in tandem cylinders: lattice Boltzmann technique-based simulations. International Communications in Heat and Mass Transfer. 159 (2024), 108153. 23. Abbasi, W.S., Ashfaq, K. and Rahman, H. (2024). Influence of gap ratios on wake dynamics of two rectangular 5:1 cylinders placed inline. Physics of Fluids. 36, 103621 (2024). 24. Kalsoom, S., Abbasi, W.S., Manzoor, R. Aslam, F. and Azhar, N. (2024). Numerical simulation of flow characteristics over two square cylinders at different diameters with various gap spacing. Kurdish Studies. 12(5), 1481-1500. 25. Ghayoor, M., Abbasi, W.S., Majeed, A.H., Alotaibi, H. and Ali, A.R. (2024). Interference effects on wakes of a cluster of pentad square cylinders in a crossflow: A lattice Boltzmann study. AIP Advances 14, 125111 (2024). 26. Tahir, N. Abbasi, W.S., Rahman, H., Riaz, A. and Alhamzi, G. (2024). Numerical analysis of the flow topology around two rectangular cylinders in a staggered arrangement. AIP Advances 14, 125129 (2024). 27. Nadeem, S. and Abbasi, W.S. (2025). Reduction of fluid forces for flow around two inline obstacles: a passive flow control strategy. Journal of the Brazilian Society of Mechanical Sciences and Engineering (2025) 47:78.

Research Interest
Modeling and simulations of fluid dynamics problems
Lattice Boltzmann method
Finite difference method, Fluid-Solid interactions
Optimization of flow induced forces
Dynamics of low Reynolds number flows
Oscillatory flows
Consistency and stability analysis