Fig.1

Equivalent displacement solution"

Fig.2

Schematic diagram of MSM"

Fig.3

Plate longitudinal nephogram of 37.5 mm×37.5 mm (1.5D×1.5D)"

Fig.4

Microstructure boundary and load condition"

Fig.5

Equivalent area prefabrication"

Fig.6

Modeling process of multi-scale spanning division"

Fig.7

A performance evaluation framework based on cross-scale equivalent elasticity methods"

Fig.8

Physical information of radar radome testing piece for civilian aircraft"

Table 1

Repairing locations list of composite material cover body"

Fig.9

Testing piece load loading"

Table 2

Material properties of radar radome"

Fig.10

Perforation detail"

Table 3

Coordinates of the closest strain point to the damage repair"

Fig.11

Multi-scale model of the repairing radar radome and its water-immersion characteristics"

Table 4

Equivalent modulus of elasticity for water-immersion repairing"

Fig.12

Results of finite element analysis of microstructure for water-immersion repairing repaired flat plate"

Fig.13

Results of finite element analysis of equivalent elasticity model for water-immersion repairing"

Table 5

Mechanical performance of equivalent elasticity model for water-immersion repairing"

Fig.14

Simulation analysis results of damage repairing"

Fig.15

Strain nephogram of finely viewed curved plate for water-immersion repairing"

Fig.16

Comparison of strain values, displacements and errors for damage repairing radar radome greater than 2×10-4 after finely viewing"