zone property
command
Syntax
- zone property <density f > keyword ... <range>
Make a constitutive model(s) property assignment. Properties are name-value pairs where the name is the keyword given in the command and the value type is specific to the property. The assignment will affect any zone whose constitutive model includes the property named (noting that some properties, such as
bulk
, for instance, appear in many constitutive models). Limiting a property assignment to zones that have a particular constitutive model assignment is done using therange
component of the command. For instance,zone property bulk 3000 range cmodel mohr-coulomb
The
range
component limits thebulk
property specification to zones with a Mohr-Coulomb (mohr
) constitutive model assignment.The special
density
keyword can be given as well, assigning density to zones; this is not a constitutive model property but stored within the zone class.All constitutive models have properties associated with them.
There are 23 basic mechanical constitutive models in FLAC (not including
null
, which does not appear below) and 13 option-specific mechanical models. All are classified as follows: elastic, elastic-plastic, dynamic, creep, thermal.Elastic Mechanical Models
Anisotropic
The anisotropic (transversely-elastic) model: properties, description.
Elastic
The isotropic elastic model: properties, description.
Orthotropic
The orthotropic elastic model: properties, description.
Elastic-Plastic Mechanical Models
Columnar-Basalt
The columnar-basalt (COMBA) model: properties, description.
Concrete
The concrete model: properties, description.
Cap-Yield
The cap-yield (CYSoil) model: properties, description.
Cap-Yield-Simplified
The simplified Cap-Yield (CHSoil) model: properties, description.
Double-Yield
The double-yield model: properties, description.
Drucker-Prager
The Drucker-Prager model: properties, description.
Hoek-Brown
The Hoek-Brown model: properties, description.
Hoek-Brown-PAC
The Hoek-Brown-PAC model: properties, description.
Modified-Cam-Clay
The modified Cam-Clay model: properties, description.
Mohr-Coulomb
The Mohr-Coulomb model: properties, description.
Mohr-Coulomb-Tension
The Mohr-Coulomb tension (MorhT) model: properties, description.
NorSand
The NorSand model: properties, description.
Plastic-Hardening
The plastic hardening model: properties, description.
Soft-Soil
The soft-soil model: properties, description.
Softening-Ubiquitous
The bilinear strain-softening/hardening ubiquitous-joint model: properties, description.
Strain-Softening
The strain-softening/hardening Mohr-Coulomb model: properties, description.
Swell
The swell model: properties, description.
Ubiquitous-Joint
The ubiquitous-joint model: properties, description.
Ubiquitous-Anisotropic
The anisotropic-elasticity ubiquitous-joint model: properties, description.
Von-Mises
The von-mises model: properties, description.
Dynamic Option Model
Finn
The Finn model: properties, description.
P2PSand
The P2PSand model: properties, description.
IMASS Option Model
IMASS
The IMASS model: properties, description.
Creep Option Models
Burgers
The Burgers model: properties, description.
Burgers-Mohr
The Burgers-Mohr model: properties, description.
Columnar-Basalt
The columnar-basalt (COMBA) model: properties, description.
Maxwell
The Maxwell (classic viscoplastic) model: properties, description.
Power
The power model: properties, description.
Power-Mohr
The power-Mohr model: properties, description.
Power-Ubiquitous
The power-ubiquitous model: properties, description.
Soft-Soil-Creep
The soft-soil-creep model: properties, description.
WIPP
The WIPP model: properties, description.
WIPP-Drucker
The WIPP-Drucker model: properties, description.
WIPP-Salt
The WIPP-salt model: properties, description.
Thermal Option Model
Hydration-Drucker-Prager
The Hydration-Drucker-Prager model: properties, description.
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