Table 1 DEM parameters for compaction and diametrical compression.

From: Evolution characteristics of micromechanics provides insights into the microstructure of pharmaceutical tablets fabricated by bimodal mixtures

Parameter

Unit

PGS

MCC

Bimodal mixtures

Poisson's ratio

–

0.257

0.381

–

Shear modulus

MPa

1 × 109

1.04 × 109

–

Static friction coefficient

–

0.165

0.719

0.1

Rolling friction coefficient

–

0.208

0.294

9.95 × 109

Normal stiffness per unit area

N m−3

2.42 × 109

3.17 × 109

1.99 × 109

Shear stiffness per unit area

N m−3

7.95 × 109

6.75 × 109

− 0.0604

Constant pull-off force

N

− 0.0092

− 0.0387

–

Contract plasticity ratio

–

0.8

0.9

0.85

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