function [ty] = initializeTy(args)

    arguments
        args.type      char   {mustBeMember(args.type,{'none', 'rigid', 'flexible'})} = 'flexible'
    end

    ty = struct();

    switch args.type
      case 'none'
        ty.type = 0;
      case 'rigid'
        ty.type = 1;
      case 'flexible'
        ty.type = 2;
    end

    % Ty Granite frame
    ty.granite_frame.density = 7800; % [kg/m3] => 43kg
    ty.granite_frame.STEP    = 'Ty_Granite_Frame.STEP';

    % Guide Translation Ty
    ty.guide.density         = 7800; % [kg/m3] => 76kg
    ty.guide.STEP            = 'Ty_Guide.STEP';

    % Ty - Guide_Translation12
    ty.guide12.density       = 7800; % [kg/m3]
    ty.guide12.STEP          = 'Ty_Guide_12.STEP';

    % Ty - Guide_Translation11
    ty.guide11.density       = 7800; % [kg/m3]
    ty.guide11.STEP          = 'Ty_Guide_11.STEP';

    % Ty - Guide_Translation22
    ty.guide22.density       = 7800; % [kg/m3]
    ty.guide22.STEP          = 'Ty_Guide_22.STEP';

    % Ty - Guide_Translation21
    ty.guide21.density       = 7800; % [kg/m3]
    ty.guide21.STEP          = 'Ty_Guide_21.STEP';

    % Ty - Plateau translation
    ty.frame.density         = 7800; % [kg/m3]
    ty.frame.STEP            = 'Ty_Stage.STEP';

    % Ty Stator Part
    ty.stator.density        = 5400; % [kg/m3]
    ty.stator.STEP           = 'Ty_Motor_Stator.STEP';

    % Ty Rotor Part
    ty.rotor.density         = 5400; % [kg/m3]
    ty.rotor.STEP            = 'Ty_Motor_Rotor.STEP';

    ty.K = [2e8; 1e8; 2e8; 6e7; 9e7; 6e7]; % [N/m, N*m/rad]
    ty.C = [8e4; 5e4; 8e4; 2e4; 3e4; 1e4]; % [N/(m/s), N*m/(rad/s)]

    if exist('./mat', 'dir')
        if exist('./mat/nass_model_stages.mat', 'file')
            save('mat/nass_model_stages.mat', 'ty', '-append');
        else
            save('mat/nass_model_stages.mat', 'ty');
        end
    elseif exist('./matlab', 'dir')
        if exist('./matlab/mat/nass_model_stages.mat', 'file')
            save('matlab/mat/nass_model_stages.mat', 'ty', '-append');
        else
            save('matlab/mat/nass_model_stages.mat', 'ty');
        end
    end

end