Table 2. ( a ): CPU time and RRMSE HOSVD... | Emerald Publishing

Table 2.

(a): CPU time and RRMSE_HOSVD based on the number of retained HOSVD modes. (b): Error (ROM vs CFD) based on the number of retained HOSVD modes for a reference case not included in the database

	[Space, wind velocity intensity, wind angle of incidence]
Retained modes	[360, 10, 36]	[79, 3, 28]	[28, 1, 16]	[15, 1, 10]
(a) CPU time and RRMSE_HOSVD based on the number of retained HOSVD modes
Accumulated energy	[100%, 100%, 100%]	[99%, 99%, 99%]	[95%, 95%, 95%]	[90%, 90%, 90%]
Runtime [s]	4.51	1.02	0.32	0.13
RRMSE_HOSVD	0	0.0073	0.0293	0.0507
(b) Error (ROM vs CFD) based on the number of retained HOSVD modes
MAE ‖u‖ [m/s]	0.008	0.025	0.116	0.123
90% confidence interval [m/s]	[0.0001, 0.0264]	[0.0005, 0.0778]	[0.0030, 0.3133]	[0.0031, 0.3411]

	[Space, wind velocity intensity, wind angle of incidence]
Retained modes	[360, 10, 36]	[79, 3, 28]	[28, 1, 16]	[15, 1, 10]
(a) CPU time and RRMSE_HOSVD based on the number of retained HOSVD modes
Accumulated energy	[100%, 100%, 100%]	[99%, 99%, 99%]	[95%, 95%, 95%]	[90%, 90%, 90%]
Runtime [s]	4.51	1.02	0.32	0.13
RRMSE_HOSVD	0	0.0073	0.0293	0.0507
(b) Error (ROM vs CFD) based on the number of retained HOSVD modes
MAE ‖u‖ [m/s]	0.008	0.025	0.116	0.123
90% confidenceinterval [m/s]	[0.0001, 0.0264]	[0.0005, 0.0778]	[0.0030, 0.3133]	[0.0031, 0.3411]

Source(s): Created by authors