Aircraft thin-wall structure simulation detection system and detection method thereof
A technology of thin-walled structure and detection method, applied in instruments, measuring devices, scientific instruments, etc., can solve the problem of low imaging accuracy, and achieve the effect of precise and specific results
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[0117] Specific experimental examples are given below to further illustrate the technical effect of the technical solution.
[0118] The content of this experimental example uses Abaqus finite element simulation to simulate the existence of single type damage or multiple types of damage in thin-walled structures, and then perform damage imaging based on the data obtained from the simulation, and finally analyze the detection method by evaluating the damage imaging performance. The size of the thin-walled structure used in the simulation is 500 × 500 × 2 mm, and a five-period Lamb wave with a center frequency of 100 modulated by a Hann window is excited. Lamb waves. In this section, by comparing the damage images obtained by the thin-wall defect damage method in this embodiment with the existing method, the performance of the simulation detection method for aircraft thin-walled structures provided in this embodiment is analyzed.
[0119] In this experimental example, firstly, ...
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