Coverage for src/beamme/four_c/beam_interaction_conditions.py: 96%

1# The MIT License (MIT) 

2# 

3# Copyright (c) 2018-2026 BeamMe Authors 

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22"""This file contains a function to add the beam interaction conditions for 

234C.""" 

24 

25import beamme.core.conf as _conf 

26from beamme.core.boundary_condition import BoundaryCondition as _BoundaryCondition 

27from beamme.core.geometry_set import GeometrySet as _GeometrySet 

28from beamme.core.mesh import Mesh as _Mesh 

29 

30 

31def get_next_possible_id_for_boundary_condition( 

32 mesh: _Mesh, 

33 bc_type: _conf.BoundaryCondition, 

34 geometry_type: _conf.Geometry, 

35 condition_string: str, 

36) -> int: 

37 """Returns the next possible id, which can be used for a boundary condition 

38 based on all previous added boundary conditions within a mesh. 

39 

40 It returns the first ID which is not yet occupied within the existing boundary conditions 

41 w.r.t. to the given search_string and regex group index. 

42 

43 Args: 

44 mesh: Mesh containing already set boundary conditions. 

45 bc_type: Type of the boundary condition to be searched. 

46 geometry_type: Geometry type of the boundary condition. 

47 condition_string: String defining the condition ID tag. 

48 

49 Returns: 

50 id: Smallest available ID 

51 """ 

52 

53 found_conditions = [] 

54 

55 # loop through every possible geometry and find the conditions 

56 if (bc_type, geometry_type) in mesh.boundary_conditions: 

57 for bc_condition in mesh.boundary_conditions[(bc_type, geometry_type)]: 

58 found_conditions.append(bc_condition) 

59 

60 if not found_conditions: 

61 # return starting id, since no conditions of type has been added. 

62 return 0 

63 else: 

64 existing_ids = [] 

65 

66 # compare string of each condition with input and store existing ids 

67 for bc in found_conditions: 

68 if condition_string in bc.data: 

69 existing_ids.append(bc.data[condition_string]) 

70 else: 

71 raise KeyError( 

72 f"The key {condition_string} is not in the data {bc.data}" 

73 ) 

74 

75 # return lowest found id 

76 return min(set(range(len(existing_ids) + 1)) - set(existing_ids)) 

77 

78 

79def add_beam_interaction_condition( 

80 mesh: _Mesh, 

81 geometry_set_1: _GeometrySet, 

82 geometry_set_2: _GeometrySet, 

83 bc_type: _conf.BoundaryCondition, 

84 *, 

85 id: int | None = None, 

86) -> int: 

87 """Adds a pair of beam interaction boundary conditions to the given mesh 

88 and estimates automatically the id of them based on all previously added 

89 boundary conditions of the mesh. 

90 

91 Args: 

92 mesh: Mesh to which the boundary conditions will be added. 

93 geometry_set_1: GeometrySet 1 for beam interaction boundary condition 

94 geometry_set_2: GeometrySet 2 for beam interaction boundary condition 

95 id: id of the two conditions 

96 

97 Returns: 

98 id: Used id for the created condition. 

99 """ 

100 

101 condition_string = "COUPLING_ID" 

102 if id is None: 

103 id = get_next_possible_id_for_boundary_condition( 

104 mesh, 

105 bc_type, 

106 geometry_set_1.geometry_type, 

107 condition_string=condition_string, 

108 ) 

109 

110 id_2 = get_next_possible_id_for_boundary_condition( 

111 mesh, 

112 bc_type, 

113 geometry_set_2.geometry_type, 

114 condition_string=condition_string, 

115 ) 

116 

117 if not id == id_2: 

118 raise ValueError( 

119 f"The estimated IDs {id} and {id_2} do not match. Check Inputfile." 

120 ) 

121 

122 # Creates the two conditions with the same ID. 

123 for geometry_set in [geometry_set_1, geometry_set_2]: 

124 mesh.add( 

125 _BoundaryCondition( 

126 geometry_set, data={condition_string: id}, bc_type=bc_type 

127 ) 

128 ) 

129 

130 return id