LinearElasticUniversalFlexibility

LinearElasticUniversalFlexibility is DefaultUniversalFlexibility:
    .doc: """
    Define a linear elastic flexibility model for each constrained degree of freedom for a Universal.
    """
    default_stiffness is Real: Physics.Interactions.Flexibility.Defaults.Stiffness
    along_main becomes Physics.Interactions.Flexibility.LinearElastic:
        stiffness: default_stiffness
    along_normal becomes Physics.Interactions.Flexibility.LinearElastic:
        stiffness: default_stiffness
    along_cross becomes Physics.Interactions.Flexibility.LinearElastic:
        stiffness: default_stiffness
    around_main becomes Physics.Interactions.Flexibility.LinearElastic:
        stiffness: default_stiffness