def compute_number_of_simulations(number_of_flowrates_analyzed, number_of_angles_analyzed):
    """using the number of angles and flow rates described by user, calculate the number of unioque simulations.
    Args:
        number_of_angles_analyzed (int): user-defined number of  angles to be analyzed.
        number_of_flowrates_analyzed (int): user defined number of flow rates to be analyzed.
    Returns:
        N_simulations (int): Number of unique simulations to be run. Also the number of rows in the global simulation array.
    """

    N_simulations = number_of_angles_analyzed*number_of_flowrates_analyzed # for each flow rate, there are x number of simulations (x being number of angles_)
    print("number of unique simulations:")
    print(N_simulations)

    return N_simulations