All Stories

  1. Numerical Investigation with Convergence and Stability Analyses of Integro-Differential Equations of Second Kind

    Article • International Journal of Computational Methods, November 2023, World Scientific Pub Co Pte Lt

    Prof. Dr Saif Ullah

  2. Mathematical aspects and molecular descriptors for anti-tumour and anti-COVID drugs medications

    Article • Molecular Physics, November 2023, Taylor & Francis

    Prof. Dr Saif Ullah

  3. A generalized thermal memory effect of Caputo–Fabrizio fractional integral on natural convection flow of hybrid nanofluid

    Article • Modern Physics Letters B, October 2023, World Scientific Pub Co Pte Lt

    Prof. Dr Saif Ullah

  4. Numerical Investigation of Volterra Integral Equations of Second Kind using OHAM

    Article • Applied Mathematics and Computation, October 2022, Elsevier

    Prof. Dr Saif Ullah

  5. Energy recovery mechanism of air injection in higher methane cut reservoir

    Article • International Journal of Modern Physics B, July 2022, World Scientific Pub Co Pte Lt

    Prof. Dr Saif Ullah

  6. Effects of MHD and Porosity on Jeffrey Fluid Flow with Wall Transpiration

    Article • Mathematical Problems in Engineering, February 2022, Hindawi Publishing Corporation

    Prof. Dr Saif Ullah

  7. Discrete mass conservation and stability analysis of the ocean-atmosphere model with coupling conditions

    Article • Journal of Ocean Engineering and Science, February 2022, Elsevier

    Prof. Dr Saif Ullah

  8. Thermal transport of natural convection flow of second grade bio-nanofluid in a vertical channel

    Article • Case Studies in Thermal Engineering, December 2021, Elsevier

    Prof. Dr Saif Ullah

  9. Delineating impact of viscous dissipation and non-uniform heat source/sink on viscous fluid flow towards a stretching surface

    Article • Proceedings of the Institution of Mechanical Engineers Part E Journal of Process Mechanical Engineering, October 2021, SAGE Publications

    Prof. Dr Saif Ullah

  10. Transient Flow of Jeffrey Fluid over a Permeable Wall

    Article • Mathematical Problems in Engineering, September 2021, Hindawi Publishing Corporation

    Prof. Dr Saif Ullah

  11. Multiple Solutions for Stagnation-Point Flow of Unsteady Carreau Fluid along a Permeable Stretching/Shrinking Sheet with Non-Uniform Heat Generation

    Article • Coatings, August 2021, MDPI AG

    Prof. Dr Saif Ullah

  12. Behavioral response of population on transmissibility and saturation incidence of deadly pandemic through fractional order dynamical system

    Article • Results in Physics, July 2021, Elsevier

    Prof. Dr Saif Ullah

  13. Thermal analysis of free convection flows of viscous carbon nanotubes nanofluids with generalized thermal transport: a Prabhakar fractional model

    Article • Journal of Thermal Analysis and Calorimetry, March 2021, Springer Science + Business Media

    Prof. Dr Saif Ullah

  14. Analysis of Caputo-Fabrizio fractional order semi-linear parabolic equations via effective amalgamated technique

    Article • Physica Scripta, January 2021, Institute of Physics Publishing

    Prof. Dr Saif Ullah

  15. Behavioral effects of a four-wing attractor with circuit realization: a cryptographic perspective on immersion

    Article • Communications in Theoretical Physics, November 2020, Institute of Physics Publishing

    Prof. Dr Saif Ullah

  16. Study of free convective unsteady magnetohydrodynamic flow of Oldroyd-B fluid in the presence of chemical reaction

    Article • Advances in Mechanical Engineering, July 2020, SAGE Publications

    Prof. Dr Saif Ullah

  17. Numerical investigation with stability analysis of time‐fractional Korteweg‐de Vries equations

    Article • Mathematical Methods in the Applied Sciences, May 2020, Wiley

    Prof. Dr Saif Ullah

  18. A higher‐order unconditionally stable scheme for the solution of fractional diffusion equation

    Article • Mathematical Methods in the Applied Sciences, April 2020, Wiley

    Prof. Dr Saif Ullah

  19. Multigrid method with eighth-order compact finite difference scheme for Helmholtz equation

    Article • Physica Scripta, March 2020, Institute of Physics Publishing

    Prof. Dr Saif Ullah

  20. Study of velocity and shear stress for unsteady flow of incompressible Oldroyd-B fluid between two concentric rotating circular cylinders

    Article • Hacettepe Journal of Mathematics and Statistics, December 2019, Hacettepe Journal of Mathematics and Statistics

    Prof. Dr Saif Ullah

  21. New idea of Atangana‐Baleanu time‐fractional derivative to advection‐diffusion equation

    Article • Mathematical Methods in the Applied Sciences, December 2019, Wiley

    Prof. Dr Saif Ullah

  22. Natural convection flow of second grade fluid with thermal radiation and damped thermal flux between vertical channels

    Article • Alexandria Engineering Journal, December 2019, Elsevier

    Prof. Dr Saif Ullah

  23. Analysis of thin film flow of generalized Maxwell fluid confronting withdrawal and drainage on non-isothermal cylindrical surfaces

    Article • Advances in Mechanical Engineering, October 2019, SAGE Publications

    Prof. Dr Saif Ullah

  24. Robust hierarchical sliding mode control with state-dependent switching gain for stabilization of rotary inverted pendulum

    Article • Kybernetika, September 2019, Institute of Information Theory and Automation

    Prof. Dr Saif Ullah

  25. Sliding mode control design for stabilization of underactuated mechanical systems

    Article • Advances in Mechanical Engineering, May 2019, SAGE Publications

    Prof. Dr Saif Ullah

  26. Swirling flow of couple stress fluid due to a rotating disk

    Article • Nonlinear Engineering, January 2019, De Gruyter

    Prof. Dr Saif Ullah

  27. MHD nonaligned stagnation point flow of second grade fluid towards a porous rotating disk

    Article • Nonlinear Engineering, January 2019, De Gruyter

    Prof. Dr Saif Ullah, Miss Faqiha Sultan

  28. Surface tension effects on fully developed liquid layer flow over a convex corner

    Article • AIP Advances, April 2018, American Institute of Physics

    Prof. Dr Saif Ullah

  29. Characteristics of buoyancy force on stagnation point flow with magneto-nanoparticles

    Article • Results in Physics, March 2018, Elsevier

    Prof. Dr Saif Ullah

  30. Study of velocity and temperature distributions in boundary layer flow of fourth grade fluid

    Article • AIP Advances, February 2018, American Institute of Physics

    Prof. Dr Saif Ullah

  31. Some exact solutions for the rotational flow of Oldroyd-B fluid between two circular cylinders

    Article • Advances in Mechanical Engineering, August 2017, SAGE Publications

    Prof. Dr Saif Ullah

  32. MHD Flow of Oldroyd-B Fluid Over an Infinite Oscillating Plate with Slip Condition

    Article • Journal of Computational and Theoretical Nanoscience, March 2017, American Scientific Publishers

    Prof. Dr Saif Ullah

  33. Entropy Generation on MHD Flow of Powell-Eyring Fluid Between Radially Stretching Rotating Disk with Diffusion-Thermo and Thermo-Diffusion Effects

    Article • Acta Mechanica et Automatica, January 2017, De Gruyter

    Prof. Dr Saif Ullah, Shahnila Aziz

  34. Assessment of 2010 Flash Flood Causes and Associated Damages in Dir Valley

    Article • International Journal of Disaster Risk Reduction, June 2016, Elsevier

    Prof. Dr Saif Ullah

  35. A Mathematical Study of an Epidemic Disease Model Spread by Rumors

    Article • Journal of Computational and Theoretical Nanoscience, May 2016, American Scientific Publishers

    Prof. Dr Saif Ullah

  36. Withdrawal and drainage of thin film flow of a generalized Oldroyd-B fluid on non-isothermal cylindrical surfaces

    Article • AIP Advances, December 2015, American Institute of Physics

    Prof. Dr Saif Ullah, Saif Ullah

  37. MHD flow of Burger’s fluid over an off-centered rotating disk in a porous medium

    Article • AIP Advances, August 2015, American Institute of Physics

    Prof. Dr Saif Ullah

  38. Some Exact Analytical Solutions for Two-Dimensional Flow of an Incompressible Second Grade Fluid

    Article • Journal of Fluids Engineering, June 2015, ASME International

    Prof. Dr Saif Ullah

  39. Improved ratio-type estimators using maximum and minimum values under simple random sampling scheme

    Article • Hacettepe Journal of Mathematics and Statistics, October 2014, Hacettepe Journal of Mathematics and Statistics

    Prof. Dr Saif Ullah

  40. Some Exact Solutions to Equations of Motion of an Incompressible Second Grade Fluid

    Article • Journal of Fluids Engineering, September 2014, ASME International

    Prof. Dr Saif Ullah

  41. Two-level decay quantum system with open-loop control optical field

    Article • Journal of the Optical Society of America B, January 2013, Optical Society of America (OSA)

    Prof. Dr Saif Ullah

  42. Linear feedforward control of two-level quantum system by modulated external field

    Article • Optics Communications, July 2011, Elsevier

    Prof. Dr Saif Ullah

  43. Erratum to “Feedback control of probability amplitudes for two-level atom in optical field” [Optics Communications 281 (2008) 640]

    Article • Optics Communications, May 2008, Elsevier

    Prof. Dr Saif Ullah

  44. Feedback control of probability amplitudes for two-level atom in optical field

    Article • Optics Communications, February 2008, Elsevier

    Prof. Dr Saif Ullah

  45. Some Exact Solutions to Equations of Motion of an Incompressible Third Grade Fluid

    Article • Journal of Fluids Engineering, January 2008, ASME International

    Prof. Dr Saif Ullah