Source code for model

from base_types import *



class elastic_frictional_3D:
    """
    Cundall's contact model with linear elasticity and Coulombian friction :cite:`Cundall1979`; :math:`F_n=k_n u_n`, :math:`\Delta F_s=k_s \dot u_s\, \Delta t`.
    """
    implementations: list = ['MercuryDPM', 'YADE']
    """codes implementing this model"""




class linear_viscoelastic_frictional_3D(elastic_frictional_3D):
    """
    Elastic-frictional model with viscous damping
    """
    implementations: list = ['MercuryDPM', 'YADE']
    """codes implementing this model"""




class elastic_frictional_6D(elastic_frictional_3D):
    """
    Generalized elastic-frictional model with rolling and twisting.
    """
    implementations: list = ['YADE']
    """codes implementing this model"""




class base_thermal:
    """Model describing thermal behaviour"""
    implementations: list = []
    """codes implementing this model"""




class thermal_Blaze(base_thermal):
    """Model describing thermal behaviour dependent on friction and cohesion"""
    implementations: list = ['BlazeDEM']




class linear_basic_luding_3D(elastic_frictional_3D):
    """
    Basic Luding model with spring constants for plastic loading, unload/reload and tensile adhesion .
    """
    implementations: list = ['YADE']
    """codes implementing this model"""