Validation and benchmarks

Ashes version 3.20.0

Verification and validation tests run on 2023-06-25 and completed in 0 d 06:19:13


Aerodynamical reference point eccentricity - more structural nodes

28 of 28 passed

Analytical solution for the root torque of the blade when including the influence of the aerodynamical reference point eccentricity. See detailed description

No eccentricity

7 of 7 passed

Aerodynamical reference point

7 of 7 passed

Moment coefficient

7 of 7 passed

Aerodynamical reference point and moment coefficient

7 of 7 passed

View full report (pdf)


Aerodynamical reference point eccentricity - Static

28 of 28 passed

Analytical solution for the root torque of the blade when including the influence of the aerodynamical reference point eccentricity. See detailed description

No eccentricity

7 of 7 passed

Aerodynamical reference point

7 of 7 passed

Moment coefficient

7 of 7 passed

Aerodynamical reference point and moment coefficient

7 of 7 passed

View full report (pdf)


Aerodynamical reference point eccentricity

28 of 28 passed

Analytical solution for the root torque of the blade when including the influence of the aerodynamical reference point eccentricity. See detailed description

No eccentricity

7 of 7 passed

Aerodynamical reference point

7 of 7 passed

Moment coefficient

7 of 7 passed

Aerodynamical reference point and moment coefficient

7 of 7 passed

View full report (pdf)


BEM - velocity triangle video

52 of 52 passed

Analytical solution for the BEM algorithm with the NREL 5-MW turbine. See detailed description

Steady BEM

13 of 13 passed

Unsteady BEM

13 of 13 passed

Steady BEM - Flexible blades

13 of 13 passed

Unsteady BEM - Flexible blades

13 of 13 passed

View full report (pdf)


Benchmark Bell Cantilever - Static

16 of 16 passed

Comparison between results produced by Ashes and results published by Bell (1987) for a cantilever beam. See detailed description

l = 0.6 EB - linear

1 of 1 passed

l = 0.6 T - linear

1 of 1 passed

l = 1.5 EB - linear

1 of 1 passed

l = 1.5 T - linear

1 of 1 passed

l = 3 EB - linear

1 of 1 passed

l = 3 T - linear

1 of 1 passed

l = 6 EB - linear

1 of 1 passed

l = 6 T - linear

1 of 1 passed

l = 0.6 EB - nonlinear

1 of 1 passed

l = 0.6 T - nonlinear

1 of 1 passed

l = 1.5 EB - nonlinear

1 of 1 passed

l = 1.5 T - nonlinear

1 of 1 passed

l = 3 EB - nonlinear

1 of 1 passed

l = 3 T - nonlinear

1 of 1 passed

l = 6 EB - nonlinear

1 of 1 passed

l = 6 T - nonlinear

1 of 1 passed

View full report (pdf)


Benchmark Bell Cantilever

16 of 16 passed

Comparison between results produced by Ashes and results published by Bell (1987) for a cantilever beam. See detailed description

l = 0.6 EB - linear

1 of 1 passed

l = 0.6 T - linear

1 of 1 passed

l = 1.5 EB - linear

1 of 1 passed

l = 1.5 T - linear

1 of 1 passed

l = 3 EB - linear

1 of 1 passed

l = 3 T - linear

1 of 1 passed

l = 6 EB - linear

1 of 1 passed

l = 6 T - linear

1 of 1 passed

l = 0.6 EB - nonlinear

1 of 1 passed

l = 0.6 T - nonlinear

1 of 1 passed

l = 1.5 EB - nonlinear

1 of 1 passed

l = 1.5 T - nonlinear

1 of 1 passed

l = 3 EB - nonlinear

1 of 1 passed

l = 3 T - nonlinear

1 of 1 passed

l = 6 EB - nonlinear

1 of 1 passed

l = 6 T - nonlinear

1 of 1 passed

View full report (pdf)


Benchmark Bell

16 of 16 passed

Comparison between results produced by Ashes and results published by Bell (1987). See detailed description

Figure 6-6 Euler - linear

4 of 4 passed

Figure 6-6 Timoshenko - linear

4 of 4 passed

Figure 6-6 Euler - nonlinear

4 of 4 passed

Figure 6-6 Timoshenko - nonlinear

4 of 4 passed

View full report (pdf)


Benchmark Irgens

16 of 16 passed

Comparison between results produced by Ashes and results published by Irgens (1985). See detailed description

Eksempel_1_Kap_19_Irgens - linear

2 of 2 passed

Eksempel_1_Kap_19_Irgens - linear - load history file

2 of 2 passed

Eksempel_3_Kap_19_Irgens - linear

1 of 1 passed

Eksempel_3_Kap_19_Irgens - linear - load history file

1 of 1 passed

Eksempel_5_Kap_24_Irgens - linear

2 of 2 passed

Eksempel_1_Kap_19_Irgens - nonlinear

2 of 2 passed

Eksempel_1_Kap_19_Irgens - nonlinear - load history file

2 of 2 passed

Eksempel_3_Kap_19_Irgens - nonlinear

1 of 1 passed

Eksempel_3_Kap_19_Irgens - nonlinear - load history file

1 of 1 passed

Eksempel_5_Kap_24_Irgens - nonlinear

2 of 2 passed

View full report (pdf)


Benchmark MacNeal Curved Beam

2 of 2 passed

Comparison between results produced by Ashes and results published by MacNeal (1985). See detailed description

In-plane shear

1 of 1 passed

Out-of-plane shear

1 of 1 passed

View full report (pdf)


Benchmark MacNeal Straight Beam

4 of 4 passed

Comparison between results produced by Ashes and results published by MacNeal (1985). See detailed description

Extension

1 of 1 passed

In-plane shear

1 of 1 passed

Out-of-plane shear

1 of 1 passed

Twist

1 of 1 passed

View full report (pdf)


Benchmark MacNeal Twisted Beam

2 of 2 passed

Comparison between results produced by Ashes and results published by MacNeal (1985). See detailed description

In-plane shear

1 of 1 passed

Out-of-plane shear

1 of 1 passed

View full report (pdf)


Blade decay test

12 of 12 passed

Decay test with a blade compared to analytical solution. See detailed description

Decay no damping

1 of 1 passed

Decay no damping stiffness x 2

1 of 1 passed

Decay no damping stiffness x 0.5

1 of 1 passed

Mass only

1 of 1 passed

Stiffness only

1 of 1 passed

Mass only 2nd mode

1 of 1 passed

Stiffness only 2nd mode

1 of 1 passed

Rayleigh first mode

1 of 1 passed

Rayleigh second mode

1 of 1 passed

Mass from coefficients

1 of 1 passed

Stiffness from coefficients

1 of 1 passed

Rayleigh from coefficients

1 of 1 passed

View full report (pdf)


Blade structural offset

8 of 8 passed

Comparison between a simple blade with structural offsets and analytical solutions. See detailed description

Elastic offset

2 of 2 passed

Elastic offset 45 pitch

2 of 2 passed

Mass offset

2 of 2 passed

Mass offset 45 pitch

2 of 2 passed

View full report (pdf)


Cylindrical blade

40 of 40 passed

Results produced by Ashes with a simple cylindrical blade compared to analytical solution. See detailed description

10 ms

4 of 4 passed

5 ms

4 of 4 passed

10 ms 90 deg

4 of 4 passed

10 ms tilt 5 deg

4 of 4 passed

10 ms cone 2.5 deg

4 of 4 passed

10 ms Loads only

4 of 4 passed

5 ms Loads only

4 of 4 passed

10 ms 90 deg Loads only

4 of 4 passed

10 ms tilt 5 deg Loads only

4 of 4 passed

10 ms cone 2.5 deg Loads only

4 of 4 passed

View full report (pdf)


Decay test tower

20 of 20 passed

Decay test in Ashes compared to analytical solution. See detailed description

Decay no damping

2 of 2 passed

Mass only

2 of 2 passed

Stiffness only

2 of 2 passed

Mass only 2nd mode

2 of 2 passed

Stiffness only 2nd mode

2 of 2 passed

Rayleigh first mode

2 of 2 passed

Rayleigh second mode

2 of 2 passed

Mass from coefficients

2 of 2 passed

Stiffness from coefficients

2 of 2 passed

Rayleigh from coefficients

2 of 2 passed

View full report (pdf)


DTU 10-MW blade eigenfrequencies

1 of 1 passed

Benchmark against the DTU 10-MW blade eigenfrequencies published in the specification document. See detailed description

Load case 1

1 of 1 passed

View full report (pdf)


DTU 10-MW isolated blade mode shapes

7 of 7 passed

Benchmark against the DTU 10-MW blade eigenfrequencies published in the specification document. See detailed description

1st flap mode

1 of 1 passed

1st edge mode

1 of 1 passed

2nd flap mode

1 of 1 passed

2nd edge mode

1 of 1 passed

3rd flap mode

1 of 1 passed

3rd edge mode

1 of 1 passed

4th flap mode

1 of 1 passed

View full report (pdf)


DTU 10-MW steady state performance - stiff blades

44 of 44 passed

Comparison between aerodynamic performance of the DTU 10-MW turbine without prebend, tilt, cone and structural deflections as published in the specification document and Ashes See detailed description

4 ms wind speed

2 of 2 passed

5 ms wind speed

2 of 2 passed

6 ms wind speed

2 of 2 passed

7 ms wind speed

2 of 2 passed

8 ms wind speed

2 of 2 passed

9 ms wind speed

2 of 2 passed

10 ms wind speed

2 of 2 passed

11 ms wind speed

2 of 2 passed

12 ms wind speed

2 of 2 passed

13 ms wind speed

2 of 2 passed

14 ms wind speed

2 of 2 passed

15 ms wind speed

2 of 2 passed

16 ms wind speed

2 of 2 passed

17 ms wind speed

2 of 2 passed

18 ms wind speed

2 of 2 passed

19 ms wind speed

2 of 2 passed

20 ms wind speed

2 of 2 passed

21 ms wind speed

2 of 2 passed

22 ms wind speed

2 of 2 passed

23 ms wind speed

2 of 2 passed

24 ms wind speed

2 of 2 passed

25 ms wind speed

2 of 2 passed

View full report (pdf)


DTU 10-MW steady state performance - Timoshenko blades with offsets

132 of 132 passed

Comparison between aerodynamic performance of the DTU 10-MW turbine as published in the specification document and Ashes See detailed description

4 ms wind speed

6 of 6 passed

5 ms wind speed

6 of 6 passed

6 ms wind speed

6 of 6 passed

7 ms wind speed

6 of 6 passed

8 ms wind speed

6 of 6 passed

9 ms wind speed

6 of 6 passed

10 ms wind speed

6 of 6 passed

11 ms wind speed

6 of 6 passed

12 ms wind speed

6 of 6 passed

13 ms wind speed

6 of 6 passed

14 ms wind speed

6 of 6 passed

15 ms wind speed

6 of 6 passed

16 ms wind speed

6 of 6 passed

17 ms wind speed

6 of 6 passed

18 ms wind speed

6 of 6 passed

19 ms wind speed

6 of 6 passed

20 ms wind speed

6 of 6 passed

21 ms wind speed

6 of 6 passed

22 ms wind speed

6 of 6 passed

23 ms wind speed

6 of 6 passed

24 ms wind speed

6 of 6 passed

25 ms wind speed

6 of 6 passed

View full report (pdf)


DTU 10-MW steady state performance - Timoshenko blades

132 of 132 passed

Comparison between aerodynamic performance of the DTU 10-MW turbine as published in the specification document and Ashes See detailed description

4 ms wind speed

6 of 6 passed

5 ms wind speed

6 of 6 passed

6 ms wind speed

6 of 6 passed

7 ms wind speed

6 of 6 passed

8 ms wind speed

6 of 6 passed

9 ms wind speed

6 of 6 passed

10 ms wind speed

6 of 6 passed

11 ms wind speed

6 of 6 passed

12 ms wind speed

6 of 6 passed

13 ms wind speed

6 of 6 passed

14 ms wind speed

6 of 6 passed

15 ms wind speed

6 of 6 passed

16 ms wind speed

6 of 6 passed

17 ms wind speed

6 of 6 passed

18 ms wind speed

6 of 6 passed

19 ms wind speed

6 of 6 passed

20 ms wind speed

6 of 6 passed

21 ms wind speed

6 of 6 passed

22 ms wind speed

6 of 6 passed

23 ms wind speed

6 of 6 passed

24 ms wind speed

6 of 6 passed

25 ms wind speed

6 of 6 passed

View full report (pdf)


DTU 10-MW steady state performance

132 of 132 passed

Comparison between aerodynamic performance of the DTU 10-MW turbine as published in the specification document and Ashes See detailed description

4 ms wind speed

6 of 6 passed

5 ms wind speed

6 of 6 passed

6 ms wind speed

6 of 6 passed

7 ms wind speed

6 of 6 passed

8 ms wind speed

6 of 6 passed

9 ms wind speed

6 of 6 passed

10 ms wind speed

6 of 6 passed

11 ms wind speed

6 of 6 passed

12 ms wind speed

6 of 6 passed

13 ms wind speed

6 of 6 passed

14 ms wind speed

6 of 6 passed

15 ms wind speed

6 of 6 passed

16 ms wind speed

6 of 6 passed

17 ms wind speed

6 of 6 passed

18 ms wind speed

6 of 6 passed

19 ms wind speed

6 of 6 passed

20 ms wind speed

6 of 6 passed

21 ms wind speed

6 of 6 passed

22 ms wind speed

6 of 6 passed

23 ms wind speed

6 of 6 passed

24 ms wind speed

6 of 6 passed

25 ms wind speed

6 of 6 passed

View full report (pdf)


DTU 10-MW whole turbine eigenfrequencies

1 of 1 passed

Load case 1

1 of 1 passed

View full report (pdf)


Dynamic stall test

1 of 1 passed

Comparison between output from Ashes and results from Hansen See detailed description

Load case 1

1 of 1 passed

View full report (pdf)


Element weight

6 of 6 passed

Weight of an element with different cross sections compared to analytical solution. See detailed description

One element model with a Circular hollow cross section

1 of 1 passed

One element model with a Circular shape cross section

1 of 1 passed

One element model with a Circular solid cross section

1 of 1 passed

One element model with a Rectangular hollow cross section

1 of 1 passed

One element model with a Rectangular shape cross section

1 of 1 passed

One element model with a Circular hollow cross section on Mars

1 of 1 passed

View full report (pdf)


Emergency-stop

6 of 6 passed

Default RNA template with a Python pitch controller that picthes the blades 90 degrees after 15 s. See detailed description

Load case 1

6 of 6 passed

View full report (pdf)


Fatigue test analytical

3 of 3 passed

Fatigue life compared to analytical solution. See detailed description

Static pull

1 of 1 passed

Oscillating load

2 of 2 passed

View full report (pdf)


IEA 15-MW blade eigenfrequencies

1 of 1 passed

Load case 1

1 of 1 passed

View full report (pdf)


IEA 15-MW Rotor Performance

96 of 96 passed

Comparison between aerodynamic performance of the IEA 15-MW turbine as published in the specification document and Ashes See detailed description

4 ms wind speed

6 of 6 passed

5 ms wind speed

6 of 6 passed

6 ms wind speed

6 of 6 passed

7 ms wind speed

6 of 6 passed

8 ms wind speed

6 of 6 passed

9 ms wind speed

6 of 6 passed

10 ms wind speed

6 of 6 passed

11 ms wind speed

6 of 6 passed

12 ms wind speed

6 of 6 passed

13 ms wind speed

6 of 6 passed

14 ms wind speed

6 of 6 passed

15 ms wind speed

6 of 6 passed

17.5 ms wind speed

6 of 6 passed

20 ms wind speed

6 of 6 passed

22.5 ms wind speed

6 of 6 passed

25 ms wind speed

6 of 6 passed

View full report (pdf)


IEA 15-MW Rotor Performance with rotational inertia

96 of 96 passed

Comparison between aerodynamic performance of the IEA 15-MW turbine as published in the specification document and Ashes See detailed description

4 ms wind speed

6 of 6 passed

5 ms wind speed

6 of 6 passed

6 ms wind speed

6 of 6 passed

7 ms wind speed

6 of 6 passed

8 ms wind speed

6 of 6 passed

9 ms wind speed

6 of 6 passed

10 ms wind speed

6 of 6 passed

11 ms wind speed

6 of 6 passed

12 ms wind speed

6 of 6 passed

13 ms wind speed

6 of 6 passed

14 ms wind speed

6 of 6 passed

15 ms wind speed

6 of 6 passed

17.5 ms wind speed

6 of 6 passed

20 ms wind speed

6 of 6 passed

22.5 ms wind speed

6 of 6 passed

25 ms wind speed

6 of 6 passed

View full report (pdf)


IEA15MW Monopile weight

1 of 1 passed

Comparison between the weight of the Monopile for the IEA 15-MW turbine as published in the specification document and Ashes See detailed description

Load case 1

1 of 1 passed

View full report (pdf)


IEA15MW tubular tower weight

1 of 1 passed

Comparison between the weight of the tubular tower for the IEA 15-MW turbine as published in the specification document and Ashes See detailed description

Load case 1

1 of 1 passed

View full report (pdf)


Iec extremes

6 of 6 passed

IEC extreme wind produced in Ashes compared to the IEC standard. See detailed description

EOG

1 of 1 passed

EOG 25ms

1 of 1 passed

EDC

2 of 2 passed

EDC 25ms

2 of 2 passed

View full report (pdf)


NREL 5MW eigenfrequencies regression

1 of 1 passed

Benchmark against the eigenfrequencies of the NREL 5-MW reference wind turbine.

Load case 1

1 of 1 passed

View full report (pdf)


NREL 5MW eigenfrequencies

2 of 2 passed

Benchmark against the eigenfrequencies of the NREL 5-MW reference wind turbine.

Load case 1

2 of 2 passed

View full report (pdf)


MacCamy-Fuchs test

10 of 10 passed

Results produced by Ashes with a circular cylinder in waves using the MacCamy-Fuchs correction compared to benchmark values. See detailed description

L = 60 m

1 of 1 passed

L = 30 m

1 of 1 passed

L = 20 m

1 of 1 passed

L = 15 m

1 of 1 passed

L = 12 m

1 of 1 passed

L = 10 m

1 of 1 passed

L = 8.57 m

1 of 1 passed

L = 7.5 m

1 of 1 passed

L = 6.67 m

1 of 1 passed

L = 6 m

1 of 1 passed

View full report (pdf)


Morison test

24 of 24 passed

Results produced by Ashes with a circular cylinder in waves compared to analytical solution. See detailed description

H = 5 m L = 120 m

3 of 3 passed

H = 5 m L = 120 m Cm = 2

3 of 3 passed

H = 5 m L = 120 m Cd = 1

3 of 3 passed

H = 5 m L = 120 m D = 4 m

3 of 3 passed

H = 5 m T = 10 s

3 of 3 passed

H = 5 m T = 10 s h = 200 m

3 of 3 passed

H = 2 m T = 5 s

3 of 3 passed

H = 2 m T = 5 s h = 10 m

3 of 3 passed

View full report (pdf)


Morison total load

8 of 8 passed

Results produced by Ashes with a circular cylinder in waves compared to a benchmarked solution. See detailed description

H = 5 m T = 7 s

1 of 1 passed

H = 10 m T = 12 s

1 of 1 passed

H = 5 m T = 7 s fixed

1 of 1 passed

H = 10 m T = 12 s fixed

1 of 1 passed

H = 5 m T = 7 s partly

1 of 1 passed

H = 10 m T = 12 s partly

1 of 1 passed

H = 5 m T = 7 s moving

1 of 1 passed

H = 10 m T = 12 s moving

1 of 1 passed

View full report (pdf)


nonlinear rotational spring test

18 of 18 passed

Displacement of a node experiencing a force and attached to a nonlinear spring. See detailed description

x-direction 60 MNm

2 of 2 passed

x-direction -30 MNm

2 of 2 passed

y-direction 4 MNm

2 of 2 passed

y-direction -2 MNm

2 of 2 passed

z-direction 1 MNm

2 of 2 passed

z-direction -0.5 MNm

2 of 2 passed

xy-direction

4 of 4 passed

x-direction sine

2 of 2 passed

View full report (pdf)


nonlinear spring test

18 of 18 passed

Displacement of a node experiencing a force and attached to a nonlinear spring. See detailed description

x-direction 1000 N

2 of 2 passed

x-direction -200 N

2 of 2 passed

y-direction 1000 N

2 of 2 passed

y-direction -300 N

2 of 2 passed

z-direction 500 N

2 of 2 passed

z-direction -1000 N

2 of 2 passed

xy-direction

4 of 4 passed

x-direction sine

2 of 2 passed

View full report (pdf)


OC3 Phase I

455 of 455 passed

Benchmark against the OC3 Phase I See detailed description

2.1a

455 of 455 passed

2.1b

0 of 0 passed

2.4

0 of 0 passed

3.1

0 of 0 passed

4.1

0 of 0 passed

5.1

0 of 0 passed

View full report (pdf)


OC3 Phase I regression

1066 of 1066 passed

Benchmark against the OC3 Phase I See detailed description

2.1a

155 of 155 passed

2.1b

155 of 155 passed

2.4

187 of 187 passed

3.1

191 of 191 passed

4.1

187 of 187 passed

5.1

191 of 191 passed

View full report (pdf)


OC3_Phase_I_LC12

13 of 13 passed

Benchmark against the OC3 Phase I Load case 1.2 (eigenfrequencies) See detailed description

Load case 1

13 of 13 passed

View full report (pdf)


OC3_Phase_I_LC12 regression

1 of 1 passed

Benchmark against the OC3 Phase I Load case 1.2 (eigenfrequencies) See detailed description

Load case 1

1 of 1 passed

View full report (pdf)


OC3_Phase_I_LC26

442 of 442 passed

Benchmark against the OC3 Phase I See detailed description

2.6

442 of 442 passed

View full report (pdf)


OC3_Phase_I_LC26_regression

230 of 230 passed

Benchmark against the OC3 Phase I See detailed description

2.6

230 of 230 passed

View full report (pdf)


OC3_Phase_I_LC43

442 of 442 passed

Benchmark against the OC3 Phase I See detailed description

4.3

442 of 442 passed

View full report (pdf)


OC3_Phase_I_LC43_regression

230 of 230 passed

Benchmark against the OC3 Phase I See detailed description

4.3

230 of 230 passed

View full report (pdf)


OC3 Phase II

300 of 300 passed

Benchmark against the OC3 Phase II See detailed description

4.1a

300 of 300 passed

4.1b

0 of 0 passed

4.1c

0 of 0 passed

View full report (pdf)


OC3 Phase II_regression

512 of 512 passed

Benchmark against the OC3 Phase II See detailed description

4.1a

236 of 236 passed

4.1b

183 of 183 passed

4.1c

93 of 93 passed

View full report (pdf)


OC3 Phase II LC 12 AF

6 of 6 passed

Benchmark against the OC3 Phase II Load case 1.2 (eigenfrequencies) See detailed description

Load case 1

6 of 6 passed

View full report (pdf)


OC3 Phase II LC 12 AF regression

1 of 1 passed

Benchmark against the OC3 Phase II Load case 1.2 (eigenfrequencies) See detailed description

Load case 1

1 of 1 passed

View full report (pdf)


OC3 Phase II LC 12 DS

5 of 5 passed

Benchmark against the OC3 Phase II Load case 1.2 (eigenfrequencies) See detailed description

Load case 1

5 of 5 passed

View full report (pdf)


OC3 Phase II LC 12 DS regression

1 of 1 passed

Benchmark against the OC3 Phase II Load case 1.2 (eigenfrequencies) See detailed description

Load case 1

1 of 1 passed

View full report (pdf)


OC3 Phase IV

192 of 192 passed

4.1

192 of 192 passed

View full report (pdf)


OC4_Phase_I_LC10b

13 of 13 passed

Load case 1

13 of 13 passed

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One airfoil blade fixed

20 of 20 passed

Results produced by Ashes with a simple blade compared to analytical solution. See detailed description

Stiff blade

5 of 5 passed

two-element blade

5 of 5 passed

three-element blade

5 of 5 passed

20-element blade

5 of 5 passed

View full report (pdf)


One airfoil blade

162 of 162 passed

Results produced by Ashes with a simple blade compared to analytical solution. See detailed description

10 ms

9 of 9 passed

5 ms

9 of 9 passed

10 ms RPM 10

9 of 9 passed

10 ms - unsteady BEM

9 of 9 passed

5 ms - unsteady BEM

9 of 9 passed

10 ms RPM 10 - unsteady BEM

9 of 9 passed

10 ms pitch 20

9 of 9 passed

5 ms pitch 20

9 of 9 passed

10 ms RPM 10 pitch 20

9 of 9 passed

10 ms - unsteady BEM pitch 20

9 of 9 passed

5 ms - unsteady BEM pitch 20

9 of 9 passed

10 ms RPM 10 - unsteady BEM pitch 20

9 of 9 passed

10 ms twist

9 of 9 passed

5 ms twist

9 of 9 passed

10 ms RPM 10 twist

9 of 9 passed

10 ms - unsteady BEM twist

9 of 9 passed

5 ms - unsteady BEM twist

9 of 9 passed

10 ms RPM 10 - unsteady BEM twist

9 of 9 passed

View full report (pdf)


Spring test

24 of 24 passed

Displacement of a node experiencing a force and attached to a linear spring. See detailed description

Translational x-direction

1 of 1 passed

Translational x-direction negative force

1 of 1 passed

Translational y-direction

1 of 1 passed

Translational y-direction negative force

1 of 1 passed

Translational z-direction

1 of 1 passed

Translational z-direction negative force

1 of 1 passed

Translational xyz-direction

3 of 3 passed

Rotational x-direction

1 of 1 passed

Rotational y-direction

1 of 1 passed

Rotational z-direction

1 of 1 passed

Translational x-direction linear

1 of 1 passed

Translational x-direction negative force linear

1 of 1 passed

Translational y-direction linear

1 of 1 passed

Translational y-direction negative force linear

1 of 1 passed

Translational z-direction linear

1 of 1 passed

Translational z-direction negative force linear

1 of 1 passed

Translational xyz-direction linear

3 of 3 passed

Rotational x-direction linear

1 of 1 passed

Rotational y-direction linear

1 of 1 passed

Rotational z-direction linear

1 of 1 passed

View full report (pdf)


Static pull

62 of 62 passed

Static pull compared to analytical solution. See detailed description

Circular hollow cross section with a force in the x-direction

4 of 4 passed

Circular hollow cross section with a force in the y-direction

4 of 4 passed

Circular hollow cross section with a force at 45 degrees

7 of 7 passed

Circular hollow cross section with a force in the z-direction

3 of 3 passed

Circular hollow cross section with a moment around the z-direction

2 of 2 passed

Circular hollow cross section with a force in the x-direction - 20 m element

4 of 4 passed

Circular hollow cross section with a force in the z-direction - 20 m element

3 of 3 passed

Circular hollow cross section with a moment around the z-direction - 20 m element

2 of 2 passed

Circular hollow cross section with a force in the x-direction - Timoshenko

4 of 4 passed

Rectangular hollow cross section with a force in the x-direction

4 of 4 passed

Rectangular hollow cross section with a force in the y-direction

4 of 4 passed

Rectangular hollow cross section with a force in the x-direction 90 deg twist

4 of 4 passed

Rectangular hollow cross section with a force in the x-direction 30 deg twist

7 of 7 passed

Circular shape cross section with a force in the x-direction

3 of 3 passed

Circular shape cross section with a force in the y-direction

3 of 3 passed

Circular shape cross section with a force in the z-direction

2 of 2 passed

Circular shape cross section with a moment around the z-direction

2 of 2 passed

View full report (pdf)


Stream function T = 10 H = 10 d = 20 N = 11

5 of 5 passed

Stream function wave kinematics compared to results from obtained with Fenton's code . See detailed description

T = 10 H = 10 d = 20 N = 11

5 of 5 passed

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Stream function T = 10 H = 5 d = 20 N = 11

5 of 5 passed

Stream function wave kinematics compared to results from obtained with Fenton's code . See detailed description

T = 10 H = 5 d = 20 N = 11

5 of 5 passed

View full report (pdf)


Stream function T = 10 H = 8 d = 20 N = 11

5 of 5 passed

Stream function wave kinematics compared to results from obtained with Fenton's code . See detailed description

T = 10 H = 8 d = 20 N = 11

5 of 5 passed

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Stream function T = 5 H = 2 d = 20 N = 5

5 of 5 passed

Stream function wave kinematics compared to results from obtained with Fenton's code . See detailed description

T = 5 H = 2 d = 20 N = 5

5 of 5 passed

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Stream function T = 5 H = 5 d = 20 N = 11

5 of 5 passed

Stream function wave kinematics compared to results from obtained with Fenton's code . See detailed description

T = 5 H = 5 d = 20 N = 11

5 of 5 passed

View full report (pdf)


Stream function

1 of 1 passed

Stream function wave kinematics compared to results from Peeringa . See detailed description

Test 1 Peeringa

1 of 1 passed

View full report (pdf)


Timoshenko Blade

8 of 8 passed

Static pull of a blade compared to Bell (1987) for Euler-Beryesulli and Timoshenko elements. See detailed description

l = 0.6 EB

1 of 1 passed

l = 0.6 T

1 of 1 passed

l = 1.5 EB

1 of 1 passed

l = 1.5 T

1 of 1 passed

l = 3 EB

1 of 1 passed

l = 3 T

1 of 1 passed

l = 6 EB

1 of 1 passed

l = 6 T

1 of 1 passed

View full report (pdf)


Tower shadow

4 of 4 passed

Verification of the wind velocity deficit produced by the tower shadow with the potential flow model. See detailed description

No shadow

2 of 2 passed

Tower shadow

2 of 2 passed

View full report (pdf)


Tower shadow Powles

12 of 12 passed

Verification of the wind velocity deficit produced by the tower shadow with the Powles model. See detailed description

No shadow

3 of 3 passed

Tower shadow

3 of 3 passed

Tower shadow cd = 0.67

3 of 3 passed

Tower shadow azimuth 5 deg

3 of 3 passed

View full report (pdf)


Tests the parameters from Aerodynamics tab

216 of 216 passed

Default

18 of 18 passed

Tip and Hub loss

18 of 18 passed

Excluded stations at tip and Glauert

18 of 18 passed

Tower shadow

18 of 18 passed

Moving structure

18 of 18 passed

Drag on tower

18 of 18 passed

Steady BEM

18 of 18 passed

Incoming wind for induction

18 of 18 passed

Polar interpolation scheme

18 of 18 passed

Apply moments

18 of 18 passed

Shear Eccentricity moments

18 of 18 passed

Mass centers offset

18 of 18 passed

View full report (pdf)


Tests the parameters from Analysis_Convergence tab

72 of 72 passed

Default

18 of 18 passed

Load case 2

18 of 18 passed

Load case 3

18 of 18 passed

Load case 4

18 of 18 passed

View full report (pdf)


Tests the parameters from Analysis_General tab

270 of 270 passed

Default

18 of 18 passed

Loads only

18 of 18 passed

Time step RPM

18 of 18 passed

Time step TSR

18 of 18 passed

Stiff blades

18 of 18 passed

Analysis mode

18 of 18 passed

HHT factor

18 of 18 passed

Newmark Beta

18 of 18 passed

Newmark Beta coeffs

18 of 18 passed

Timoshenko

18 of 18 passed

Lumped mass

18 of 18 passed

Solver acceleration

18 of 18 passed

Consisten mass matrix

18 of 18 passed

Inertia factor

18 of 18 passed

Stiff CM

18 of 18 passed

View full report (pdf)


Tests the parameters from Analysis_Loads_Ramp_up tab

108 of 108 passed

Default

18 of 18 passed

Time steps

18 of 18 passed

Curve linear

18 of 18 passed

Curve exponential

18 of 18 passed

Scheme duration

18 of 18 passed

None

18 of 18 passed

View full report (pdf)


Tests the parameters from Analysis_Misc tab

54 of 54 passed

Default

18 of 18 passed

Statisctics start time

18 of 18 passed

Realtime scheme

18 of 18 passed

View full report (pdf)


Tests the parameters from Analysis_One_prescribed_load tab

126 of 126 passed

Default

18 of 18 passed

Force

18 of 18 passed

Force periodic

18 of 18 passed

Force disabled

18 of 18 passed

Moment

18 of 18 passed

Moment periodic

18 of 18 passed

Moment disabled

18 of 18 passed

View full report (pdf)


Tests the parameters from Analysis_Special_events tab

54 of 54 passed

Default

18 of 18 passed

Torque

18 of 18 passed

Torque time

18 of 18 passed

View full report (pdf)


Tests the parameters from Analysis_Static tab

54 of 54 passed

Default

18 of 18 passed

static loads increment

18 of 18 passed

Mass scale factor

18 of 18 passed

View full report (pdf)


Tests the parameters of the Atmosphere part

126 of 126 passed

Default

18 of 18 passed

Defined air density

18 of 18 passed

Density from parameters

18 of 18 passed

Defined viscosity

18 of 18 passed

Viscosity from parameters

18 of 18 passed

User defined atm pressure

18 of 18 passed

Pressure from parameters

18 of 18 passed

View full report (pdf)


Decay test

90 of 90 passed

A decay test for the NREL 5-MW turbine in operation

2 ms

18 of 18 passed

6 ms

18 of 18 passed

10 ms

18 of 18 passed

14 ms

18 of 18 passed

18 ms

18 of 18 passed

View full report (pdf)


Decay test2

90 of 90 passed

A decay test for the NREL 5 MW turbine in operation

22 ms

18 of 18 passed

26 ms

18 of 18 passed

30 ms

18 of 18 passed

locked shaft_flex blades

18 of 18 passed

locked shaft_stiff blades

18 of 18 passed

View full report (pdf)


default floater

7 of 7 passed

Load case 1

7 of 7 passed

View full report (pdf)


Default offshore with turbulent wind

2 of 2 passed

Load case 1

2 of 2 passed

View full report (pdf)


Default onshore

18 of 18 passed

One minute simulation of default 5MW turbine with 10 m/s constant uniform wind. The results are compared with a previous version of Ashes.

Uniform wind - 10ms

18 of 18 passed

View full report (pdf)


default rna only

18 of 18 passed

One minute simulation of RNA only with 10 m/s constant uniform wind. The results are compared with a previous version of Ashes.

Load case 1 test

18 of 18 passed

View full report (pdf)


default pendulum

33 of 33 passed

30 sec pendulum simulation

Load case 1

33 of 33 passed

View full report (pdf)


Default RNA only with one blade

18 of 18 passed

30 sec RNA only with one blade simulation

Load case 1

18 of 18 passed

View full report (pdf)


Default tubular tower only

1 of 1 passed

30 sec tubular tower only simulation

Load case 1

1 of 1 passed

View full report (pdf)


Default Monopile only

1 of 1 passed

30 sec Monopile only simulation

Load case 1

1 of 1 passed

View full report (pdf)


Test the parameters of the Environment part

36 of 36 passed

Default

18 of 18 passed

Change gravity

18 of 18 passed

View full report (pdf)


Fatigue_report_test

369 of 369 passed

Checks results from joint sensors in the default truss tower

Dir = 70, V = 10

41 of 41 passed

Dir = 230, V = 10

41 of 41 passed

Dir = 330, V = 10

41 of 41 passed

Dir = 70, V = 15

41 of 41 passed

Dir = 230, V = 15

41 of 41 passed

Dir = 330, V = 15

41 of 41 passed

Dir = 70, V = 20

41 of 41 passed

Dir = 230, V = 20

41 of 41 passed

Dir = 330, V = 20

41 of 41 passed

View full report (pdf)


Hub parameters

162 of 162 passed

Default

18 of 18 passed

Radius

18 of 18 passed

Mass cheme

18 of 18 passed

Mass

18 of 18 passed

Inertia

18 of 18 passed

EI

18 of 18 passed

AE

18 of 18 passed

GJ

18 of 18 passed

m

18 of 18 passed

View full report (pdf)


Induction Generator

90 of 90 passed

Synchronous scheme

18 of 18 passed

Synchronous speed

18 of 18 passed

Grid frequency

18 of 18 passed

Poles

18 of 18 passed

Rated slip

18 of 18 passed

View full report (pdf)


A test with several sensors on the tower

33 of 33 passed

Load case 1

33 of 33 passed

View full report (pdf)


Pendulum tests

132 of 132 passed

Free motion damped 90 deg

33 of 33 passed

Free motion damped 60 deg

33 of 33 passed

Free motion damped 30 deg

33 of 33 passed

Free motion damped 0 deg

33 of 33 passed

View full report (pdf)


PID controller Generator

40 of 40 passed

Default

8 of 8 passed

Setpoint

8 of 8 passed

KP

8 of 8 passed

KI

8 of 8 passed

KD

8 of 8 passed

View full report (pdf)


PID controller Pitch

162 of 162 passed

Default

18 of 18 passed

Maximum pitch

18 of 18 passed

Minimum pitch

18 of 18 passed

Maximum pitch rate

18 of 18 passed

KP

18 of 18 passed

KI

18 of 18 passed

KD

18 of 18 passed

Gain scheduling

18 of 18 passed

Pitch angle param

18 of 18 passed

View full report (pdf)


PMSG Radial Generator

324 of 324 passed

Default

18 of 18 passed

Resistance in wire

18 of 18 passed

Number of turns per coil

18 of 18 passed

Active length of coil side

18 of 18 passed

Winding factor

18 of 18 passed

Correction factor term

18 of 18 passed

Correction factor temp

18 of 18 passed

poles

18 of 18 passed

Flux density

18 of 18 passed

DistMin

18 of 18 passed

DistPole

18 of 18 passed

Number of phases

18 of 18 passed

Length correction factor

18 of 18 passed

Load res per phase

18 of 18 passed

Ref number of turns per coil

18 of 18 passed

Stator soil ind per phase

18 of 18 passed

ref RPM for loss

18 of 18 passed

Friction and vent loss

18 of 18 passed

View full report (pdf)


Rotor parameters

270 of 270 passed

Default

18 of 18 passed

Blade type

18 of 18 passed

Cone

18 of 18 passed

Pitch rotational inertia

18 of 18 passed

Pitch actuator mode

18 of 18 passed

Ref actuator torque

18 of 18 passed

KP

18 of 18 passed

KI

18 of 18 passed

KD

18 of 18 passed

Reduction factor for structural data

18 of 18 passed

Structural scale factor

18 of 18 passed

Torsional Inertia factor

18 of 18 passed

Target Cp

18 of 18 passed

Target RPM

18 of 18 passed

Target cut-in RPM

18 of 18 passed

View full report (pdf)


A stepwise wind from 3 to 25 with 60 sec steps

18 of 18 passed

Load case 1

18 of 18 passed

View full report (pdf)


Timoshenko

36 of 36 passed

Load case 1

18 of 18 passed

Load case 2

18 of 18 passed

View full report (pdf)


Variable speed generator

288 of 288 passed

Default

18 of 18 passed

Maximum Generator Torque

18 of 18 passed

Minimum time to rated torque

18 of 18 passed

Proportionality factor region 2

18 of 18 passed

Transition RPM region 1 to 1.5

18 of 18 passed

Transition RPM region 1.5 to 2

18 of 18 passed

Transition RPM region 2.5 to 3

18 of 18 passed

Slip

18 of 18 passed

Rated power scheme

18 of 18 passed

Target wind speed

18 of 18 passed

Rated electrical power

18 of 18 passed

Rated RPM

18 of 18 passed

Efficiency factor

18 of 18 passed

Drivetrain efficiency factor

18 of 18 passed

Filtering

18 of 18 passed

Corner frequency

18 of 18 passed

View full report (pdf)


Test the parameters of the Wind IEC part

180 of 180 passed

EOG def

18 of 18 passed

EOG start

18 of 18 passed

EOG ref wind

18 of 18 passed

ECD

18 of 18 passed

EDC

18 of 18 passed

EWM

18 of 18 passed

EWM ramp-up

18 of 18 passed

EWM recurrence

18 of 18 passed

EWSH

18 of 18 passed

EWSV

18 of 18 passed

View full report (pdf)


Test the parameters of the Wind turbine part

72 of 72 passed

Def

18 of 18 passed

Global scaling

18 of 18 passed

Local scaling - parent

18 of 18 passed

Local scaling - override

18 of 18 passed

View full report (pdf)


Test the parameters of the Wind Uniform part

126 of 126 passed

def

18 of 18 passed

wind speed

18 of 18 passed

initial angle

18 of 18 passed

shear

18 of 18 passed

power loaw exponent

18 of 18 passed

reference height scheme

18 of 18 passed

reference height

18 of 18 passed

View full report (pdf)


Aero moments on vs off

Visual check

View full report (pdf)


NREL 5-MW vs ROSCO

Visual check

View full report (pdf)


DTU simple controller vs ROSCO

Visual check

View full report (pdf)


NREL 5-MW vs Ashes Python controller

Visual check

Ashes vs ROSCO

View full report (pdf)


Compare Python input

Visual check

View full report (pdf)


Euler beams with different number of elements

Visual check

View full report (pdf)


Pendulum tests

Visual check

View full report (pdf)


Timoshenko vs Euler

Visual check

View full report (pdf)