sfepy.terms.terms_constraints module¶
-
class
sfepy.terms.terms_constraints.
NonPenetrationTerm
(name, arg_str, integral, region, **kwargs)[source]¶ Non-penetration condition in the weak sense.
Definition: \int_{\Gamma} c \lambda \ul{n} \cdot \ul{v} \mbox{ , } \int_{\Gamma} c \hat\lambda \ul{n} \cdot \ul{u} \\ \int_{\Gamma} \lambda \ul{n} \cdot \ul{v} \mbox{ , } \int_{\Gamma} \hat\lambda \ul{n} \cdot \ul{u}
Call signature: dw_non_penetration (opt_material, virtual, state)
(opt_material, state, virtual)
Arguments 1: - material : c (optional)
- virtual : \ul{v}
- state : \lambda
Arguments 2: - material : c (optional)
- state : \ul{u}
- virtual : \hat\lambda
-
arg_shapes
= [{'virtual/grad': ('D', None), 'opt_material': '1, 1', 'state/grad': 1, 'state/div': 'D', 'virtual/div': (1, None)}, {'opt_material': None}]¶
-
arg_types
= (('opt_material', 'virtual', 'state'), ('opt_material', 'state', 'virtual'))¶
-
static
function
(out, val_qp, ebf, bf, mat, sg, diff_var, mode)[source]¶ ebf belongs to vector variable, bf to scalar variable.
-
integration
= 'surface'¶
-
modes
= ('grad', 'div')¶
-
name
= 'dw_non_penetration'¶