Aerothermoelastic Analysis of a Hypersonic Vehicle Based on Thermal Modal Reconstruction

Table 3

Comparisons of the first five modal frequencies at the three arbitrary test points.

	Test point			Test point			Test point
Mode	High-fidelity method	Kriging interpolation	Relative error (%)	High-fidelity method	Kriging interpolation	Relative error (%)	High-fidelity method	Kriging interpolation	Relative error (%)
1	22.74	22.82	3.5	22.47	22.53	2.7	22.31	22.23	3.6
2	39.42	39.34	2.1	38.5	38.41	2.3	36.42	36.31	3
3	68.51	68.42	1.3	66.67	66.54	1.9	63.88	63.72	2.4
4	84.49	84.65	1.9	82.34	82.19	1.8	78.29	78.12	2.1
5	98.63	98.47	1.6	95.37	95.15	2.3	91.12	90.94	1.9