Contents Chapter 11: Material Models Used in Explicit Dynamics Analysis | Print page 11.8. Brittle/GranularA number of properties are available to allow modeling of brittle/granular materials such as concrete, rock, soil, glass and ceramics.11.8.1. Drucker-Prager Strength Linear11.8.2. Drucker-Prager Strength Stassi11.8.3. Drucker-Prager Strength Piecewise11.8.4. Johnson-Holmquist Strength Continuous11.8.5. Johnson-Holmquist Strength Segmented11.8.6. RHT Concrete Strength11.8.7. MO Granular « 11.7.9. Orthotropic Strength Model 11.8.1. Drucker-Prager Strength Linear »