generate_lagrange_matrix

generate_lagrange_matrix

Generates the matrices associated to the Lagrange multipliers boundary conditions

param lc_list():  list of all the defined contraints param MBdict:dictionary with the MultiBody and LagrangeMultipliers information type MBdict:MBdict param MB_beam:list of ‘beams’ of each of the bodies that form the system type MB_beam:list param MB_tstep:list of ‘StructTimeStepInfo’ of each of the bodies that form the system type MB_tstep:list param num_LM_eq:  number of new equations needed to define the boundary boundary conditions type num_LM_eq:int param sys_size:total number of degrees of freedom of the multibody system type sys_size:int param dt:time step type dt:float param Lambda:list of Lagrange multipliers values type Lambda:numpy array param Lambda_dot:  list of the first derivative of the Lagrange multipliers values type Lambda_dot:  numpy array param dynamic_or_static:  string defining if the computation is dynamic or static type dynamic_or_static:  str returns:Damping matrix associated to the Lagrange Multipliers equations LM_K (numpy array): Stiffness matrix associated to the Lagrange Multipliers equations LM_Q (numpy array): Vector of independent terms associated to the Lagrange Multipliers equations rtype:LM_C (numpy array)

Examples:

Notes: