# -*- coding: utf-8 -*-

#link_forces.py
#@author: Olivier Lantsoght
#
#Created on 23/05/2019
#
#Copyright 2019 Universite Catholique de Louvain

def user_LinkForces(Z,Zd,mbs,tsim,identity):
    """ Compute the link force for a given link id
    
    :param Z: the position between the two anchor points
    :param Zd: the velocity between the two ancho points
    :param mbs: the mbs Data structure
    :param tsim: the simulation time
    :param identity: the identity of the link
    
    """
    
    Flink = 0
    
    return Flink
