Page 118 - 《爆炸与冲击》2026年第5期
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=573 m/s
                                                                         =697 m/s
                                                                              =697 m/s
                                                                 ω=0°/ms
                                                                                       =−83.6 m/s
                                                                         =14.9 m/s
                                                                              ω=−1.77°/ms
                                                                 α=−1.33°
                                                                              α=−5.69°
                                                                        β=−5.64°
                                                                        ω=−1.77°/ms
                                                                 φ=−1.6°
                                                                                      ω=4.48°/ms
                                                                              φ=−6.91°
                                                                         =8.71 mm
                                                                                       =10.94 mm
                                   α −5.11°
                    α =−1.60°
                                                                             =697 m/s
                                                              β =−1.60°
                                                                                               =579 m/s
                                   β =−5.11°
                    β =−1.60°
                                                                                              β =−9.28°
                                                     =602 m/s
                    φ =−1.33°
                                   φ =−3.08°
                                                    β =−12.75°
                                           θ =0°
                            θ =0°
                                    =500 mm
                                                                           °
                                                                                       θ
                                                                         θ
                                                    φ =−4.65°
                                                                             =500 mm
                                                                                      =556 m/s
                                                                              =628 m/s
                                                                  =705 m/s
                                                                          =−7.58 m/s
                                                                              ω=−0.58°/ms
                                                                 ω=0°/ms
                                                                                      =−59.6 m/s
                                                                                     β=−8.6°
                                                                              α=2.69°
                                                                         β=−2.8°
                                                                 α=−0.7°
                                                                         ω=−0.77°/ms
                                                                              φ=11.02°
                                                                                     ω=4.52°/ms
                                                                 φ=14.41°
                                                                          =3.84 mm
                                                                                      =3.45 mm
                                 α =12.67°
                     α =14.41°
                                                               =705 m/s
                                                                           =628 m/s
                                  =624 m/s
                      =705 m/s
                                                              β =−0.99°
                                                     =531 m/s
                                                                          β =−3.38°
                                                                                               =559 m/s
                     β =−0.90°
                                 β =−1.73°
                                                    β =−4.65°
                    φ =−0.70°
                                 φ =−1.44°
                                                    φ =−3.35°
                         θ =15.4°
                                =470 mm θ =14.4°
                                                                         =470 mm
                                                                                      3-2
                                                                          3-1
                                                                              =426 m/s
                                                                 =515 m/s
                                                                         =425 m/s
                                                                                      =334 m/s
                                           3-2
                               3-1
                                                                                      =−18.3 m/s
                                                                         =−34.3 m/s
                                                                              ω=1.45°/ms
                                                                 ω=0°/ms
                                                                                     β=−9.46°
                                                                              α=6.23°
                                                                 α=−4.42°
                                                                         β=−11.24°
                                                                         ω=−1.45°/ms
                                                                 φ=11.05°  θ =15.4° =628 m/s β =−6.91° θ =14.4° β=−14.36° °  β =−3.31°
                                                                                     ω=−1.15°/ms
                                                                              φ=4.87°
                                                                         =0.68 mm
                     α =11.05°                                                        =−16.11 mm
                                α =3.89°                       =515 m/s
                      =515 m/s   =409 m/s                     β =−4.45°   =628 m/s
                     β =−4.45°                                           β =−3.38°
                     φ =−4.22°  β =−11.81°      =310 m/s                                       =335 m/s
                                φ =−1.19°                                                     β =−11.7°
                          θ =15.5°  =470 mm θ =15.7°  β =−10.99°     θ =15.5°    θ =15.7°
                                               φ =−1.19°
                                                                        =470 mm
                    第 46 卷         梁俊宣,等: 基于CNN的弹体侵彻多层间隔混凝土薄靶弹道特性预测模型                               第 5 期

                                                                   y
                                                                             4-1            4-2
                               4-1            4-2                    v=515 m/s  vz=420 m/s  v=420 m/s  vz=287 m/s
                                                                     ω=0°/ms  vy=−4.48 m/s  ω=−3.28°/ms  vy=−45.3 m/s
                                                                     α=−1.03°  β=−1.64°  α=5.33°  β=−19.5°
                                                                     φ=28.54°  ω=−3.28°/ms  φ=24.76°  ω=5.96°/ms
                                                                             hy=5.56 mm     hy=6.41 mm
                                                                 cg
                     α 0 =28.54°  α 1 =27.34°                v 0 =515 m/s    cg v 1 =426 m/s cg  cg
                     v 0 =515 m/s  v 1 =428 m/s              β 0 =−1.56°     β 1 =−5.94°          cg
                     β 0 =−1.56°  β 1 =−3.36°       v 2 =263 m/s                               v 2 =291 m/s
                     φ 0 =−1.03°  φ 1 =−2.35°       β 2 =−5.37°                                β 2 =−7.05°
                        θ 1 =30.1°  L=550 mm θ 2 =30.7°  φ 2 =−1.02°  y  θ 1 =30.1°  θ 2 =30.7°
                                                                        L=550 mm
                                                             O  z                                  x
                                                         (d) Condition d
                                                                  y
                                                                             5-1             5-2
                                5-1            5-2
                                                                    v=694 m/s  vz=603 m/s  v=603 m/s  vz=495 m/s
                                                                    ω=0°/ms  vy=−12.4 m/s  ω=−5.23°/ms  vy=−93 m/s
                     α 0 =28.28°   α 1 =25.91°                      α=−1.52°  β=−1.86°  α=5.97°  ω=7.31°/ms
                                                                                            β=−16.04°
                                                                    φ=28.28°
                                                                                   φ=23.45°
                                                                            ω=−5.23°/ms
                                                                            hy=2.01 mm      hy=2.57 mm
                                                                  cg
                     v 0 =694 m/s  v 1 =576 m/s              v 0 =694 m/s  cg  v 1 =603 m/s  cg
                                                                                  cg
                     β 0 =−1.52°   β 1 =−4.69°     v 2 =472 m/s  β 0 =−1.52°  β 1 =−7.15°
                     φ 0 =−1.52°   φ 1 =−2.11°      β 2 =−9.46°                                v 2 =504 m/s
                                                                                                  cg
                                                   φ 2 =−1.83°  y                              β 2 =−7.18°
                        θ 1 =29.8°  L=606 mm θ 2 =30.6°              θ 1 =29.8°      θ 2 =30.6°
                                                             O  z       L=606 mm
                                                                                                   x
                                                          (e) Condition e
                                                    图 11    弹道轨迹对比  [1]
                                             Fig. 11    Comparison of ballistic trajectories [1]
                4    结 论
                   本文提出了一种“数据驱动+物理方程融合”的建模新范式,有效克服了传统数值模拟计算成本
               高、效率低的局限。基于经过试验验证的数值模拟方法,分析并明确了弹体角速度对弹道偏转的重要影
               响,构建了基于       CNN  的单层混凝土薄靶侵彻预测模型,并进一步结合刚体运动学方程,实现了对多层间
               隔靶侵彻弹道特性的快速迭代预测,得到以下主要结论。
                   (1) 基于  CNN  建立的单层靶预测模型具有较高的精度与泛化能力,训练集和测试集的平均均方误
               差稳定在    0.001 2  与  0.001 9  左右,各运动参数预测误差均处于较低水平。
                   (2) 多层靶预测模型在保证精度(剩余速度最大相对误差                        10.65%,姿态角最大绝对误差           3.47°)的前
               提下,计算耗时仅为传统数值方法的                0.05%,能够满足快速准确预测弹体侵彻弹道的需求。
                   (3) 弹体角速度是影响薄靶侵彻弹道的关键因素:逆时针角速度增大会促使弹道轨迹向上偏转,顺
               时针角速度则产生相反效应。
                   综上所述,本文提出的“数据驱动+物理方程融合”方法为弹体侵彻多层混凝土靶的弹道特性预测
               提供了一种新的研究范式,对武器毁伤效能评估与弹体设计优化具有重要的方法参考价值。然而,弹体
               侵彻多层混凝土薄靶涉及参数众多,目前尚难以构建覆盖全部变量的完备数据集。未来研究应进一步
               结合数值模拟与试验数据,完善弹体侵彻混凝土薄靶数据集,并持续优化深度学习预测框架,提升其准
               确性与泛化能力,实现多弹靶系统条件下弹体侵彻弹道的快速高效评估。
               参考文献:
               [1]   李鹏程, 张先锋, 刘闯, 等. 攻角和入射角对弹体侵彻混凝土薄靶弹道特性影响规律研究 [J]. 爆炸与冲击, 2022, 42(11):
                    113302. DOI: 10.11883/bzycj-2021-0435.
                    LI P C, ZHANG X F, LIU C, et al. Study on the influence of attack angle and incident angle on ballistic characteristics of
                    projectiles penetration into thin concrete targets [J]. Explosion and Shock Waves, 2022, 42(11): 113302. DOI: 10.11883/bzycj-
                    2021-0435.
               [2]   吴普磊, 李鹏飞, 董平, 等. 攻角对弹体斜侵彻多层混凝土靶弹道偏转影响的数值模拟及试验验证 [J]. 火炸药学报, 2018,
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