[HTML][HTML] A physically consistent Discrete Element Method for arbitrary shapes using Volume-interacting Level Sets

DLH van der Haven, IS Fragkopoulos… - Computer Methods in …, 2023 - Elsevier
The properties of granular materials depend strongly on the shapes of their individual
constituent particles or granules. Nonetheless, incorporating the effects of non-spherical or …

[HTML][HTML] Leveraging Numerical Simulation Technology to Advance Drug Preparation: A Comprehensive Review of Application Scenarios and Cases

Q Gu, H Wu, X Sui, X Zhang, Y Liu, W Feng, R Zhou… - Pharmaceutics, 2024 - mdpi.com
Background/Objectives: Numerical simulation plays an important role in pharmaceutical
preparation recently. Mechanistic models, as a type of numerical model, are widely used in …

[HTML][HTML] Tablet ejection: A systematic comparison between force, static friction, and kinetic friction

DLH van der Haven, R Jensen, M Mikoroni… - International Journal of …, 2024 - Elsevier
The magnitude of the frictional forces during the ejection of porous pharmaceutical tablets
plays an important role in determining the occurrence of tabletting defects. Here, we perform …

Formulation of taste-masked orodispersible famotidine tablets by sequential spray drying and direct compression–Bitterness evaluation

FM Stavras, I Partheniadis, I Nikolakakis - Journal of Drug Delivery Science …, 2023 - Elsevier
Since famotidine (FA) is prescribed for gastrointestinal diseases orodispersible tablets could
contribute to patients' compliance. Its bitter taste and poor compressibility pose formulation …

Exploring the Regimes of Particle Behavior upon Impact via the Discrete Element Method

C Nguyen, J Curtis, K Salari - Pharmaceutics, 2024 - mdpi.com
Discrete element method simulations are conducted to probe the various regimes of
postimpact behavior of particles with solid surfaces. The impacting particles are described …

[HTML][HTML] Multi-component mixing and demixing model for predictive finite element modelling of pharmaceutical powder compaction

DLH van der Haven, M Mikoroni, A Megarry… - Advanced Powder …, 2024 - Elsevier
A set of numerical methods is described that allows predictive finite element method (FEM)
simulations of the compaction of multi-component pharmaceutical powder formulations …

Finite Element Modeling of Powder Compaction: Mini-Tablets in Comparison with Conventionally Sized Tablets

LN Naranjo Gómez, T De Beer, A Kumar - Pharmaceutical Research, 2022 - Springer
Introduction Mini-tablets are considered a promising solid dosage form in the
pharmaceutical industry due to advantages such as dosing accuracy, efficiency as a drug …

Special Issue on “Particulate Processes in the Formulation of Pharmaceuticals, Nutraceuticals and Bioactive Compounds”

I Nikolakakis - Processes, 2023 - mdpi.com
Particulate processes are the basis of the production of solid dosage forms of medical and
nutritional therapeutics. The expansion of solid dose pharmaceutical manufacturing is …

On the Compaction of Granular Matter; Continuum and Discrete Numerical Modelling

D van der Haven - 2024 - repository.cam.ac.uk
Granular materials are ubiquitous in nature and industry alike, ranging from assemblies of
large rocks to the finest of powders. Nonetheless, compared to fluids and solids, our …

Experimentally validated DEM for large deformation powder compaction: mechanically-derived contact model and screening of non-physical contacts

W Zunker, S Dunatunga, S Thakur, P Tang, K Kamrin - engrxiv.org
Despite widespread industrial reliance on powder compaction in manufacturing, a complete
understanding of the underlying physical mechanisms that lead to pore structure …