Challenges and opportunities concerning numerical solutions for population balances: a critical review

M Singh, V Ranade, O Shardt… - Journal of Physics A …, 2022 - iopscience.iop.org
Population balance models are tools for the study of dispersed systems, such as granular
materials, polymers, colloids and aerosols. They are applied with increasing frequency …

Advances in numerical simulation of unit operations for tablet preparation

Z Li, WH Peng, WJ Liu, LY Yang, A Naeem… - International Journal of …, 2023 - Elsevier
Recently, there has been an increase in the use of numerical simulation technology in
pharmaceutical preparation processes. Numerical simulation can contribute to a better …

A note on homotopy perturbation approach for nonlinear coagulation equation to improve series solutions for longer times

N Yadav, M Singh, S Singh, R Singh, J Kumar - Chaos, Solitons & Fractals, 2023 - Elsevier
In this work, the approach presented in a recent publication by Kaur et al.(2019) is improved.
The truncated series solution derived from the existing Homotopy Perturbation method …

Homotopy analysis method and its convergence analysis for a nonlinear simultaneous aggregation-fragmentation model

S Yadav, S Keshav, S Singh, M Singh… - Chaos, Solitons & Fractals, 2023 - Elsevier
In this article, we focus on addressing the missing convergence analysis of the homotopy
analysis method (HAM) for solving pure aggregation and pure fragmentation population …

Rate of convergence and stability analysis of a modified fixed pivot technique for a fragmentation equation

J Saha, M Singh - Numerische Mathematik, 2023 - Springer
This study presents the convergence and stability analysis of a recently developed fixed
pivot technique for fragmentation equations (Liao et al. in Int J Numer Methods Fluids 87 (4) …

Finite volume approach for fragmentation equation and its mathematical analysis

M Singh, G Walker - Numerical Algorithms, 2022 - Springer
This work is focused on developing a finite volume scheme for approximating a
fragmentation equation. The mathematical analysis is discussed in detail by examining …

[HTML][HTML] Modified variational iteration method and its convergence analysis for solving nonlinear aggregation population balance equation

S Yadav, M Singh, S Singh, S Heinrich, J Kumar - Computers & Fluids, 2024 - Elsevier
This study proposes a novel approach based on the variational iteration method to solve the
nonlinear aggregation population balance equation. The approach provides great flexibility …

New finite volume approach for multidimensional Smoluchowski equation on nonuniform grids

M Singh - Studies in Applied Mathematics, 2021 - Wiley Online Library
This present work is based on developing a deterministic discrete formulation for the
approximation of a multidimensional Smoluchowski (Coalescence) equation on a …

An efficient approach to obtain analytical solution of nonlinear particle aggregation equation for longer time domains

N Yadav, M Singh, S Singh, R Singh, J Kumar… - Advanced Powder …, 2024 - Elsevier
Population balances commonly incorporate physical kernels such as polymerization,
generalized bilinear, and Brownian aggregation kernels, which have found widespread …

[HTML][HTML] Discrete finite volume formulation for multidimensional fragmentation equation and its convergence analysis

M Singh, T Matsoukas, V Ranade, G Walker - Journal of Computational …, 2022 - Elsevier
The present work is focused on developing a finite volume scheme for a multidimensional
fragmentation equation. The finite volume scheme is established using the concept of …