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The Equivalent Research of Light Radiation and Laser Damage on Special Protective Materials
Received date: 2025-03-17
Online published: 2025-11-28
Light radiation is an important component of nuclear explosion energy, and studying its impact on special protective materials is of significant importance. To facilitate the assessment of the damage to special protective materials under the light radiation from an airborne nuclear explosion, a hybrid optimization approach based on Bootstrap-TRF segmentation fitting method is proposed. This method is derived from experimental data on laser damage for various materials and real-world damage data from nuclear explosions, combined with the Bootstrap theory commonly used in small sample problems. The algorithm achieves a fitting goodness of R2 = 0.458 8, with an average relative error of only 26.45% in the test set. In the high-energy segment (x= 5.49 × 106 J/m2), the prediction error is as low as 1.92%, with a computation time of 18.69 seconds. Compared to existing studies on small sample problems, such as the 3rd-order B-spline interpolation method based on Bootstrap theory and the the LS-SVM (least squares xxxxxxx) method, the proposed algorithm demonstrates strong performance in fitting goodness, error reduction, extrapolation ability, and computational efficiency. It shows significant effectiveness and applicability in fitting the equivalent relationship function of material damage between light radiation and laser.
Gu Xinghan , CAI Xinghui , WU Yuji , WANG Tao . The Equivalent Research of Light Radiation and Laser Damage on Special Protective Materials[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2025 , 45(5) : 847 -856 . DOI: 10.15892/j.cnki.djzdxb.2025.05.029
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