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Commit 9490dae5 authored by Jenni Rinker's avatar Jenni Rinker
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begin new_htc_structure;
;-------------------------------------------------------------------------------------------------------------------------------
begin main_body; tower 90m
name tower ;
type timoschenko ;
nbodies 1 ;
node_distribution c2_def ;
damping_posdef 0.0 0.0 0.0 3.62e-03 3.62e-03 3.30e-03 ; Mx My Mz Kx Ky Kz , Ms raises overall level, Ks raises high freguency level
begin timoschenko_input;
filename ./data/NREL_5MW_st.txt ;
set 1 1 ;
end timoschenko_input;
begin c2_def; Definition of centerline (main_body coordinates)
nsec 8;
sec 1 0.0 0.0 0.0 0.0 ; x,y,z,twist
sec 2 0.0 0.0 -10.0 0.0 ;
sec 3 0.0 0.0 -20.0 0.0 ;
sec 4 0.0 0.0 -30.0 0.0 ;
sec 5 0.0 0.0 -45.0 0.0 ;
sec 6 0.0 0.0 -60.0 0.0 ;
sec 7 0.0 0.0 -70.0 0.0 ;
sec 8 0.0 0.0 -87.6 0.0 ;
end c2_def ;
end main_body;
;
begin main_body;
name towertop ;
type timoschenko ;
nbodies 1 ;
node_distribution c2_def ;
; damping_posdef 9.025E-06 9.025E-06 8.0E-05 8.3E-06 8.3E-06 8.5E-05 ;
damping_posdef 0.0 0.0 0.0 3.00E-05 3.00E-05 2.00E-04 ;
concentrated_mass 2 0.0 1.9 0.21256 2.4E5 1741490.0 1.7E5 1741490.0 ; Nacelle mass and inertia
begin timoschenko_input;
filename ./data/NREL_5MW_st.txt ;
set 2 1 ;
end timoschenko_input;
begin c2_def; Definition of centerline (main_body coordinates)
nsec 2;
sec 1 0.0 0.0 0.0 0.0 ; x,y,z,twist
sec 2 0.0 0.0 -1.96256 0.0 ;
end c2_def ;
end main_body;
;
begin main_body;
name shaft ;
type timoschenko ;
nbodies 1 ;
node_distribution c2_def ;
; damping_posdef 7.00E-3 7.00E-03 7.00E-02 3.48E-04 3.48E-04 1.156E-03 ;
damping_posdef 0.0 0.0 0.0 4.65E-04 4.65E-04 7.0725E-03 ; "tuned by Anyd 23/5/13 to 31.45 log decr. damping for free free with stiff rotor and tower"
concentrated_mass 1 0.0 0.0 0.0 0.0 0.0 0.0 5025497.444 ;generator equivalent slow shaft
concentrated_mass 5 0.0 0.0 0.0 56780 0.0 0.0 115926 ; hub mass and inertia;
begin timoschenko_input;
filename ./data/NREL_5MW_st.txt ;
set 3 1 ;
end timoschenko_input;
begin c2_def; Definition of centerline (main_body coordinates)
nsec 5;
sec 1 0.0 0.0 0.0 0.0 ; Tower top x,y,z,twist
sec 2 0.0 0.0 1.0 0.0 ;
sec 3 0.0 0.0 2.0 0.0 ;
sec 4 0.0 0.0 3.1071 0.0 ; Main bearing
sec 5 0.0 0.0 5.0191 0.0 ; Rotor centre
end c2_def ;
end main_body;
;
begin main_body;
name hub1 ;
type timoschenko ;
nbodies 1 ;
node_distribution c2_def ;
damping_posdef 0.0 0.0 0.0 3.00E-06 3.00E-06 2.00E-05;
begin timoschenko_input;
filename ./data/NREL_5MW_st.txt ;
set 4 1 ;
end timoschenko_input;
begin c2_def; Definition of centerline (main_body coordinates)
nsec 2;
sec 1 0.0 0.0 0.0 0.0 ; x,y,z,twist
sec 2 0.0 0.0 1.5 0.0 ;
end c2_def ;
end main_body;
;
begin main_body;
name hub2 ;
copy_main_body hub1;
end main_body;
;
begin main_body;
name hub3 ;
copy_main_body hub1 ;
end main_body;
;
begin main_body;
name blade1 ;
type timoschenko ;
nbodies 9 ;
node_distribution c2_def;
; damping 3.5e-2 5.5e-4 5.0e-4 3.0e-4 0.5e-3 5.5e-3 ;
damping_posdef 0.0 0.0 0.0 1.41E-03 2.39E-03 4.5E-05 ;
begin timoschenko_input ;
filename ./data/NREL_5MW_st.txt ;
set 5 1 ; set subset
end timoschenko_input;
begin c2_def; Definition of centerline (main_body coordinates)
nsec 19 ;
sec 1 0.0000 0.0000 0.000 0.000 ; x.y.z. twist
sec 2 -0.0027 0.0006 1.367 -13.308 ;
sec 3 -0.1057 0.0250 4.100 -13.308 ;
sec 4 -0.2501 0.0592 6.833 -13.308 ;
sec 5 -0.4592 0.1086 10.250 -13.308 ;
sec 6 -0.5699 0.1157 14.350 -11.480 ;
sec 7 -0.5485 0.0983 18.450 -10.162 ;
sec 8 -0.5246 0.0832 22.550 -9.011 ;
sec 9 -0.4962 0.0679 26.650 -7.795 ;
sec 10 -0.4654 0.0534 30.750 -6.544 ; 50% blade radius
sec 11 -0.4358 0.0409 34.850 -5.361 ;
sec 12 -0.4059 0.0297 38.950 -4.188 ;
sec 13 -0.3757 0.0205 43.050 -3.125 ;
sec 14 -0.3452 0.0140 47.150 -2.319 ;
sec 15 -0.3146 0.0084 51.250 -1.526 ;
sec 16 -0.2891 0.0044 54.667 -0.863 ;
sec 17 -0.2607 0.0017 57.400 -0.370 ;
sec 18 -0.1774 0.0003 60.133 -0.106 ;
sec 19 -0.1201 0.0000 61.500 -0.000 ;
end c2_def ;
end main_body;
;
begin main_body;
name blade2 ;
copy_main_body blade1;
end main_body;
;
begin main_body;
name blade3 ;
copy_main_body blade1 ;
end main_body;
;-------------------------------------------------------------------------------------------------------------------------------
;
begin orientation;
begin base;
body tower;
inipos 0.0 0.0 0.0 ; initial position of node 1
body_eulerang 0.0 0.0 0.0;
end base;
;
begin relative;
body1 tower last;
body2 towertop 1;
body2_eulerang 0.0 0.0 0.0;
end relative;
;
begin relative;
body1 towertop last;
body2 shaft 1;
body2_eulerang 90.0 0.0 0.0;
body2_eulerang 5.0 0.0 0.0; 5 deg tilt angle
body2_ini_rotvec_d1 0.0 0.0 -1.0 0.5 ; body initial rotation velocity x.y.z.angle velocity[rad/s] (body 2 coordinates)
; body2_ini_rotvec_d1 0.0 0.0 -1.0 0.9424 ; body initial rotation velocity x.y.z.angle velocity[rad/s] (body 2 coordinates)
end relative;
;
begin relative;
body1 shaft last;
body2 hub1 1;
body2_eulerang -90.0 0.0 0.0;
body2_eulerang 0.0 180.0 0.0;
body2_eulerang 2.5 0.0 0.0; 2.5deg cone angle
end relative;
;
begin relative;
body1 shaft last;
body2 hub2 1;
body2_eulerang -90.0 0.0 0.0;
body2_eulerang 0.0 60.0 0.0;
body2_eulerang 2.5 0.0 0.0; 2.5deg cone angle
end relative;
;
begin relative;
body1 shaft last;
body2 hub3 1;
body2_eulerang -90.0 0.0 0.0;
body2_eulerang 0.0 -60.0 0.0;
body2_eulerang 2.5 0.0 0.0; 2.5deg cone angle
end relative;
;
begin relative;
body1 hub1 last;
body2 blade1 1;
body2_eulerang 0.0 0.0 0;
end relative;
;
begin relative;
body1 hub2 last;
body2 blade2 1;
body2_eulerang 0.0 0.0 0.0;
end relative;
;
begin relative;
body1 hub3 last;
body2 blade3 1;
body2_eulerang 0.0 0.0 0.0;
end relative;
;
end orientation;
;-------------------------------------------------------------------------------------------------------------------------------
begin constraint;
;
begin fix0; fixed to ground in translation and rotation of node 1
body tower;
end fix0;
;
begin fix1;
body1 tower last ;
body2 towertop 1;
end fix1;
;
begin bearing1; free bearing
name shaft_rot;
body1 towertop last;
body2 shaft 1;
bearing_vector 2 0.0 0.0 -1.0; x=coo (0=global.1=body1.2=body2) vector in body2 coordinates where the free rotation is present
end bearing1;
;
begin fix1;
body1 shaft last ;
body2 hub1 1;
end fix1;
;
begin fix1;
body1 shaft last ;
body2 hub2 1;
end fix1;
;
begin fix1;
body1 shaft last ;
body2 hub3 1;
end fix1;
;
begin bearing2;
name pitch1;
body1 hub1 last;
body2 blade1 1;
bearing_vector 2 0.0 0.0 -1.0;
end bearing2;
;
begin bearing2;
name pitch2;
body1 hub2 last;
body2 blade2 1;
bearing_vector 2 0.0 0.0 -1.0;
end bearing2;
;
begin bearing2;
name pitch3;
body1 hub3 last;
body2 blade3 1;
bearing_vector 2 0.0 0.0 -1.0;
end bearing2;
end constraint;
;
end new_htc_structure;
;----------------------------------------------------------------------------------------------------------------------------------------------------------------
begin wind ;
density 1.225 ; to be checked
wsp 8.0 ;
tint 0.0 ;
horizontal_input 1 ; 0=false, 1=true
windfield_rotations 0.0 0.0 0.0 ; yaw, tilt, rotation
center_pos0 0.0 0.0 -90.0 ;
shear_format 1 0.14 ;0=none,1=constant,2=log,3=power,4=linear
turb_format 0 ; 0=none, 1=mann,2=flex
tower_shadow_method 0 ; 0=none, 1=potential flow, 2=jet
end wind;
;
begin aero ;
nblades 3;
hub_vec shaft -3 ; rotor rotation vector (normally shaft composant directed from pressure to sustion side)
link 1 mbdy_c2_def blade1;
link 2 mbdy_c2_def blade2;
link 3 mbdy_c2_def blade3;
ae_filename ./data/NREL_5MW_ae.txt;
pc_filename ./data/NREL_5MW_pc.txt;
induction_method 1 ; 0=none, 1=normal
aerocalc_method 1 ; 0=ingen aerodynamic, 1=med aerodynamic
aerosections 30 ;
ae_sets 1 1 1;
tiploss_method 1 ; 0=none, 1=prandtl
dynstall_method 2 ; 0=none, 1=stig ye method,2=mhh method
end aero ;
;----------------------------------------------------------------------------------------------------------------------------------------------------------------
begin hawcstab2 ;
begin ground_fixed_substructure ;
main_body tower ;
main_body towertop ;
end ground_fixed_substructure ;
begin rotating_axissym_substructure ;
main_body shaft ;
end rotating_axissym_substructure ;
begin rotating_threebladed_substructure ;
main_body hub1 ;
main_body blade1 ;
second_order_actuator pitch1 100 0.7 ;
end rotating_threebladed_substructure ;
operational_data_filename ./data/operational_data.opt ;
begin operational_data ;
windspeed 4.000 25.000 22 ; cut-in, cut-out, points
genspeed 670.000 1173.700 ;
gearratio 97.000 ;
minpitch 0.000 ;
opt_lambda 7.550 ;
maxpow 5296.610 ;
prvs_turbine 1 ;
include_torsiondeform 1 ;
end operational_data ;
pi_pitch_controller 5296.610 1.2671 0.771100 0.319309 102.68665 754.18745 0.6 0.7 10 1;
begin controller_tuning ;
partial_load 0.050 0.700; fn [hz], zeta [-]
full_load 0.100 0.700 ; fn [hz], zeta [-]
gain_scheduling 1 ; 1 linear, 2 quadratic
constant_power 1;
end controller_tuning ;
begin controller ;
begin input ;
constraint bearing1 shaft_rot ;
constraint bearing2 pitch1 collective ;
constraint bearing2 pitch1 cosine ;
constraint bearing2 pitch1 sine ;
end input ;
begin output ;
constraint bearing1 shaft_rot 1 only 2 ; 1
constraint bearing2 pitch1 1 only 1 collective ; 2
constraint bearing2 pitch1 1 only 1 cosine ; 3
constraint bearing2 pitch1 1 only 1 sine ; 4
;
mbdy state pos towertop 1 0.0 global ; # 11,12,13, tower top displacement
;
mbdy momentvec hub1 1 0 hub1 only 1 collective ; 5
mbdy momentvec hub1 1 0 hub1 only 1 cosine ; 6
mbdy momentvec hub1 1 0 hub1 only 1 sine ; 7
mbdy momentvec blade1 1 0 blade1 only 2 collective ; 17
mbdy momentvec blade1 1 0 blade1 only 2 cosine ; 18
mbdy momentvec blade1 1 0 blade1 only 2 sine ; 19
mbdy momentvec blade1 1 0 blade1 only 1 collective ; 20
mbdy momentvec blade1 1 0 blade1 only 1 cosine ; 21
mbdy momentvec blade1 1 0 blade1 only 1 sine ; 22
end output ;
end controller ;
end hawcstab2 ;
exit;
22 Wind speed [m/s] Pitch [deg] Rot. speed [rpm] Aero power [kW] Aero thrust [kN]
4.000000 0.561411 6.900000 221.541349 111.524957
5.000000 0.000126 6.900000 471.027031 165.879247
6.000000 0.000048 6.900000 810.382367 214.466928
7.000000 0.000048 7.962607 1283.471455 289.139063
8.000000 0.000022 9.101530 1914.387806 376.487440
9.000000 0.000048 10.242994 2723.304564 474.835320
10.000000 0.000048 11.388197 3731.740872 583.967243
11.000000 0.000048 12.100000 4924.007385 689.454385
12.000000 3.397150 12.100000 5296.071825 585.921405
13.000000 6.009204 12.100000 5297.610365 506.169531
14.000000 8.002519 12.100000 5297.326763 456.276720
15.000000 9.701087 12.100000 5296.143504 419.957849
16.000000 11.215891 12.100000 5295.623287 391.800355
17.000000 12.604781 12.100000 5294.864766 369.308186
18.000000 13.899261 12.100000 5294.087716 351.029576
19.000000 15.140047 12.100000 5300.691590 336.063167
20.000000 16.337750 12.100000 5292.821458 322.538335
21.000000 17.477601 12.100000 5294.428130 311.505412
22.000000 18.570688 12.100000 5300.554559 302.231243
23.000000 19.631196 12.100000 5292.244276 293.526224
24.000000 20.663896 12.100000 5290.905814 286.218093
25.000000 21.672468 12.100000 5291.675922 279.895353
;NREL_5MW_reference_wind_turbine version 3, 12-06-13, Anyd
;NREL_5MW_reference_wind_turbine version 4, 26-09-13, Larh
begin Simulation;
time_stop 100;
solvertype 1 ; (newmark)
......@@ -22,7 +22,7 @@ begin new_htc_structure;
type timoschenko ;
nbodies 1 ;
node_distribution c2_def ;
damping_posdef 8.142E-04 8.14E-04 4.0E-03 4.3E-04 4.3E-04 4.3E-03 ; Mx My Mz Kx Ky Kz , Ms raises overall level, Ks raises high freguency level
damping_posdef 0.0 0.0 0.0 3.62e-03 3.62e-03 3.30e-03 ; Mx My Mz Kx Ky Kz , Ms raises overall level, Ks raises high freguency level
begin timoschenko_input;
filename ./data/NREL_5MW_st.txt ;
set 1 1 ;
......@@ -45,8 +45,7 @@ begin new_htc_structure;
type timoschenko ;
nbodies 1 ;
node_distribution c2_def ;
; damping_posdef 9.025E-06 9.025E-06 8.0E-05 8.3E-06 8.3E-06 8.5E-05 ;
damping_posdef 2.50E-04 1.40E-04 2.00E-03 3.00E-05 3.00E-05 2.00E-04 ;
damping_posdef 0.0 0.0 0.0 3.00E-05 3.00E-05 2.00E-04 ;
concentrated_mass 2 0.0 1.9 0.21256 2.4E5 1741490.0 1.7E5 1741490.0 ; Nacelle mass and inertia
begin timoschenko_input;
filename ./data/NREL_5MW_st.txt ;
......@@ -64,8 +63,7 @@ begin new_htc_structure;
type timoschenko ;
nbodies 1 ;
node_distribution c2_def ;
; damping_posdef 7.00E-3 7.00E-03 7.00E-02 3.48E-04 3.48E-04 1.156E-03 ;
damping_posdef 0.0 0.0 7.0725E-03 4.65E-04 4.65E-04 7.0725E-03 ; "tuned by Anyd 23/5/13 to 31.45 log decr. damping for free free with stiff rotor and tower"
damping_posdef 0.0 0.0 0.0 4.65E-04 4.65E-04 7.0725E-03 ; "tuned by Anyd 23/5/13 to 31.45 log decr. damping for free free with stiff rotor and tower"
concentrated_mass 1 0.0 0.0 0.0 0.0 0.0 0.0 5025497.444 ;generator equivalent slow shaft
concentrated_mass 5 0.0 0.0 0.0 56780 0.0 0.0 115926 ; hub mass and inertia;
begin timoschenko_input;
......@@ -87,7 +85,7 @@ begin new_htc_structure;
type timoschenko ;
nbodies 1 ;
node_distribution c2_def ;
damping_posdef 2.00E-05 2.00E-05 2.00E-04 3.00E-06 3.00E-06 2.00E-05;
damping_posdef 0.0 0.0 0.0 3.00E-06 3.00E-06 2.00E-05;
begin timoschenko_input;
filename ./data/NREL_5MW_st.txt ;
set 4 1 ;
......@@ -114,7 +112,6 @@ begin new_htc_structure;
type timoschenko ;
nbodies 9 ;
node_distribution c2_def;
; damping 3.5e-2 5.5e-4 5.0e-4 3.0e-4 0.5e-3 5.5e-3 ;
damping_posdef 0.0 0.0 0.0 1.41E-03 2.39E-03 4.5E-05 ;
begin timoschenko_input ;
filename ./data/NREL_5MW_st.txt ;
......
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