Books (2)
- 1. Helal Uddin; Abul Kalam Azad; "Joint Distribution Function and Temperature Fluctuations", LAMBERT, Academic Publishing, 2013
- 2. Helal Uddin; Abdul Haque; "Heat and Mass Transfer of Fluid", LAMBERT, Academic Publishing, 2012
Journal Articles (24)
- 1. Md. Shamim Reza1, Md. Helal Uddin Molla; "Harmonic Balance Approach to Solve Relativistic Oscillator", Journal of Statistics and Mathematical Engineering, 11(1), 45-50, 2025
- 2. Nazmul Sharif, Helal Uddin Molla, M.S. Alam; "Analytical solution of couple-mass-spring systems by novel Homotopy perturbation method", International Journal of Non–Linear Mechanics 167, 104923, 2024
- 3. M. H. U. Molla and Nazmul Sharif; "Energy Balance Method for Solving Nonlinear Oscillators with Non-rational Restoring Force", Applied Mathematical Sciences, Vol. 17, 2023, no. 14, 689-700, HIKARI Ltd, 2023
- 4. M. S. Alam, Nazmul Sharif and Md Helal Uddin Molla; "Combination of modified Lindstedt-Poincare and homotopy perturbation methods", Journal of Low Frequency Noise, Vibration and Active Control, Vol. 42(2) 642–653 DOI: 10.1177/14613484221148049, 2023
- 5. Md. Helal Uddin Molla, Md. Dalim Haque & M. S. Alam; "An improved analytical technique for a non-linear conservative system with inertia and static non-linearity", Journal of Interdisciplinary Mathematics, DOI: 10.1080/09720502.2021. 1947000, 2022
- 6. Md. Helal Uddin Molla; "Energy Balance Method for Solving a Conservative Oscillator Having Inertia and Static Nonlinearity", Journal of Statistics and Mathematical Engineering, Volume-7, Issue-2 (May-August, 2021), 2021
- 7. Md. Helal Uddin Molla, Md. Zahangir Alam, Nazmul Sharif and M. S. Alam; "More accurate approximate analytical solution of nonlinear oscillators", Journal of Applied Mathematics and Statistical Analysis, 1:3, 1-7, 2020
- 8. M. Abul Kalam Azad, M. Saifur Rahman & M. Helal Uddin Molla; "A new technique for obtaining approximate solution of higher order nonlinear differential equation", Journal of Interdisciplinary Mathematics, 22:5, 797-809, 2019
- 9. Md. Abul Kashem Mondal, Md, Helal Uddin Molla and M. Shamsul Alam; "A New Analytical Approach for Solving Van der Pol Oscillator", Science Journal of Applied Mathematics and Statistics, 7(4), 51-55, 2019
- 10. Md. Helal Uddin Molla, M. Shamsul Alam and Md. Feruj Alam; "Rapidly convergent solution of nonlinear oscillators with general non‑rational restoring force", Journal of Vibration Engineering &Technologies, 7, 445–454, 2019
- 11. Md. Helal Uddin Molla; "A More Accurate Analytical Approximate Solution of the Simple Pendulum Equation", Journal of Engineering and Applied Science, 03(1), 91-97, 2019
- 12. Md. Helal Uddin Molla, Md. Abdur Razzak and M. Shamsul Alam; "A more accurate solution of nonlinear conservative oscillator by energy balance method", Multidiscipline Modeling in Materials and Structures, 14(4), 634-646, 2018
- 13. Md. Helal Uddin Molla and M. Shamsul Alam; "Higher accuracy analytical approximations to nonlinear oscillators with discontinuity by energy balance method", Results in Physics, 7, 2104-2110, 2017
- 14. Md. Helal Uddin Molla, Md. Abdur Razzak and M. Shamsul Alam; "An analytical technique for solving quadratic nonlinear oscillator", Multidiscipline Modeling in Materials and Structures, 13(3), 424-433, 2017
- 15. Md. Mahtab Hossain Mondal, Md. Helal Uddin Molla, Md. Abdur Razzak and M. Shamsul Alam; "A new analytical approach for solving quadratic nonlinear oscillator", Alexandria Engineering Journal, 56, 629-634, 2017
- 16. Md. Helal Uddin Molla and M. Shamsul Alam; "More accurate approximate analytical solution of pendulum with rotating support", African Journal of Mathematics and Computer Science Research, 10(1), 1- 4, 2017
- 17. Md. Helal Uddin Molla, Md. Abdur Razzak and M. Shamsul Alam; "Harmonic balance method for solving a large-amplitude oscillation of a conservative system with inertia and static non-linearity", Results in Physics, 6, 238-242, 2016
- 18. Md. Abdur Razzak, Md. Helal Uddin Molla; "A simple analytical technique to investigate nonlinear oscillations of an elastic two degrees of freedom pendulum", Nonlinear Dynamics and Systems Theory, 15(4), 409-417, 2015
- 19. Md. Abdur Razzak, Md. Helal Uddin Molla; "A new analytical technique for strongly nonlinear damped forced systems", Ain Shams Engineering Journal 6, 1225-1232, 2015
- 20. Md. Helal Uddin Molla, Md. Abul Kalam Azad and Md Zillur Rahman; "Transport equation for the joint distribution functions of velocity, temperature and concentration in convective turbulent flow in a rotating system in presence of dust particles", International Journal of Scholarly Research Gate, 2015, 3(4), 2015
- 21. Md. Abul Kalam Azad, Md. Helal Uddin Molla and Md. Zillur Rahman; "Transport equation for the joint distribution function in convective turbulent flow in presence of dust particles undergoing a first order reaction", Rajshahi university Journal of Sciences & Engineering, vol. 40-42, pp. 31-43, 2014
- 22. Md. Helal Uddin Molla, Md. Abul Kalam Azad and Md Zillur Rahman; "Transport equation for the joint distribution functions of velocity, temperature and concentration in convective turbulent flow in presence of coriolis force", International Journal of Scholarly Research Gate, 2013;1(4), 2013
- 23. Md. Abul Kalam Azad, Md. Helal Uddin Molla and Md. Zillur Rahman; "Transport equation for the joint distribution function of velocity, temperature and concentration in convective turbulent flow in presence of dust particles", Research Journal of Applied Sciences, Engineering and Technology 4(20), 4150-4159, 2012
- 24. Md. Helal Uddin Molla, Md. Abul Kalam Azad and Md Zillur Rahman; "Decay of temperature fluctuations in homogeneous turbulence before the final period in a rotating system", Research Journal of Mathematics and Statistics 4(2), 45-51, 2012
Conference Papers (1)
- 1. Md. Helal Uddin Molla, Md. Abdur Razzak and M. S. Alam; "An analytical technique for solving quadratic nonlinear oscillator", ICAMTPBCS, Calcutta Mathematical Society, Kolkata, India, December 09-11, 2016, 2016