sfepy.terms.terms_hyperelastic_ul module

class sfepy.terms.terms_hyperelastic_ul.BulkPenaltyULTerm(*args, **kwargs)

Hyperelastic bulk penalty term. Stress .

Definition :

Call signature:

dw_ul_bulk_penalty

(material, virtual, state)

Arguments :

• material :
• virtual :
• state :

family_data_names = ['det_f']

name = 'dw_ul_bulk_penalty'

stress_function()

tan_mod_function()

class sfepy.terms.terms_hyperelastic_ul.BulkPressureULTerm(*args, **kwargs)

Hyperelastic bulk pressure term. Stress .

Definition :

Call signature:

dw_ul_bulk_pressure

(virtual, state, state_p)

Arguments :

• virtual :
• state :
• state_p :

arg_shapes = {'state_p': 1, 'state': 'D', 'virtual': ('D', 'state')}

arg_types = ('virtual', 'state', 'state_p')

compute_data(family_data, mode, **kwargs)

family_data_names = ['det_f', 'sym_b']

family_function()

get_eval_shape(virtual, state, state_p, mode=None, term_mode=None, diff_var=None, **kwargs)

get_fargs(virtual, state, state_p, mode=None, term_mode=None, diff_var=None, **kwargs)

name = 'dw_ul_bulk_pressure'

stress_function()

tan_mod_u_function()

weak_dp_function()

weak_function()

class sfepy.terms.terms_hyperelastic_ul.CompressibilityULTerm(*args, **kwargs)

Compressibility term for the updated Lagrangian formulation

Definition :

Call signature:

dw_ul_compressible

(material, virtual, state, parameter_u)

Arguments :

• material :
• virtual :
• state :
• parameter_u :

arg_shapes = {'state': 1, 'material': '1, 1', 'parameter_u': 'D', 'virtual': (1, 'state')}

arg_types = ('material', 'virtual', 'state', 'parameter_u')

family_data_names = ['mtx_f', 'det_f']

function()

get_fargs(bulk, virtual, state, parameter_u, mode=None, term_mode=None, diff_var=None, **kwargs)

name = 'dw_ul_compressible'

class sfepy.terms.terms_hyperelastic_ul.HyperElasticULBase(*args, **kwargs)

Base class for all hyperelastic terms in UL formulation family.

The subclasses should have the following static method attributes: - stress_function() (the stress) - tan_mod_function() (the tangent modulus)

The common (family) data are cached in the evaluate cache of state variable.

compute_family_data(state)

family_function()

fd_cache_name = 'ul_common'

hyperelastic_mode = 1

weak_function()

class sfepy.terms.terms_hyperelastic_ul.MooneyRivlinULTerm(*args, **kwargs)

Hyperelastic Mooney-Rivlin term.

Definition :

Call signature:

dw_ul_he_mooney_rivlin

(material, virtual, state)

Arguments :

• material :
• virtual :
• state :

family_data_names = ['det_f', 'tr_b', 'sym_b', 'in2_b']

name = 'dw_ul_he_mooney_rivlin'

stress_function()

tan_mod_function()

class sfepy.terms.terms_hyperelastic_ul.NeoHookeanULTerm(*args, **kwargs)

Hyperelastic neo-Hookean term. Effective stress .

Definition :

Call signature:

dw_ul_he_neohook

(material, virtual, state)

Arguments :

• material :
• virtual :
• state :

family_data_names = ['det_f', 'tr_b', 'sym_b']

name = 'dw_ul_he_neohook'

stress_function()

tan_mod_function()

class sfepy.terms.terms_hyperelastic_ul.VolumeULTerm(*args, **kwargs)

Volume term (weak form) in the updated Lagrangian formulation.

Definition :

Call signature:

dw_ul_volume

(virtual, state)

Arguments :

• virtual :
• state :

arg_shapes = {'state': 'D', 'virtual': (1, None)}

arg_types = ('virtual', 'state')

family_data_names = ['mtx_f', 'det_f']

function()

get_eval_shape(virtual, state, mode=None, term_mode=None, diff_var=None, **kwargs)

get_fargs(virtual, state, mode=None, term_mode=None, diff_var=None, **kwargs)

name = 'dw_ul_volume'