Advances in numerical simulation of unit operations for tablet preparation

Area of Science:

• Pharmaceutical Engineering
• Computational Science
• Materials Science

Background:

• Pharmaceutical preparation processes increasingly utilize numerical simulation for enhanced understanding and optimization.
• Solid dosage forms, particularly tablets, involve complex powder and granule behavior critical for quality.
• Microscopic particle interactions dictate macroscopic material behavior, necessitating detailed process analysis.

Purpose of the Study:

• To review recent advancements in numerical simulation for tablet preparation unit operations.
• To discuss the applications and limitations of various simulation models in pharmaceutical manufacturing.
• To provide insights into future directions for numerical simulation in the pharmaceutical industry.

Main Methods:

• Computational Fluid Dynamics (CFD)
• Discrete Element Method (DEM)
• Population Balance Model (PBM)
• Finite Element Method (FEM)
• Lattice-Boltzmann Model (LBM)
• Monte Carlo (MC) Model

Main Results:

• Numerical simulation offers significant benefits including cost reduction, process optimization, and improved product quality.
• Specific models like CFD and DEM are crucial for analyzing powder, granulation, and tableting processes.
• The paper systematically evaluates the strengths and weaknesses of different simulation techniques for each unit operation.

Conclusions:

• Numerical simulation is vital for controlling and analyzing complex tablet manufacturing processes.
• Continued development of simulation technologies will further advance pharmaceutical production efficiency and quality.
• This review serves as a comprehensive reference for researchers and engineers in pharmaceutical process development.