Guangfa Gao

A physics-constrained machine-learning-enhanced nonlinear fitting model for normalized penetration depth of tungsten-alloy long rods into semi-infinite steel targets based on dimensionless groups

Yiding Wu, Wencheng Lu, Xinyu Sun, Bingzhuo Hu et autres

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Explosion Mechanics Roadmap

Qiang Wu, Jianbo Hu, Minqiang Jiang, Xiaohu Yao et autres

Explosion mechanics originated from China’s “Two Bombs and One Satellite” project and was named by Hsue-Shen Tsien in 1963. It primarily studies the occurrence patterns of explosions, as well as the utilization, control, and protection of their mechanical effects. As an interdisciplinary …

Geometric optimization of shear specimens and investigation of intrinsic mechanical response for 95 W alloy

Xinyu Sun, Yiding Wu, Rui Zhu, Wencheng Lu et autres

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Erratum to “Stress wave propagation and ballistic efficiency in ceramic compositearmor: The influence of backplate material properties”[Theor. App. Mech. Lett. 16(2026) 100638]

Yiding Wu, Wencheng Lu, Yilei Yu, Minghui Ma et autres

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Penetration behavior and configuration design of long-rod projectiles under damage regulation

Li Shuangqi, Wu Yiding, Sun Xinyu, Hu Bingzhuo et autres

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Influence of the Jacket on Projectile Penetration into Typical Semi-infinite Metallic Targets

Xie Chengjuan, Ma Minghui, Wu Yiding, Lu Wencheng et autres

Abstract Existing research on the penetration of metallic targets by armor-piercing projectiles has predominantly focused on the mechanical behavior of the core, while the role of the jacket encasing the core during penetration is often simplified or even neglected. However, as the …

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Enhanced Model-Free Speed Control for PMSM Drives Using an Angle-Based Repetitive Compensator

Chunlei Hua, Difen Shi, Xi Chen, Guangfa Gao

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Simulation Study on Penetration of Non-Circular Projectiles

Xinyu Sun, Yiding Wu, Wencheng Lu, Guangfa Gao

Abstract This study investigates penetration mechanisms of non-circular long-rod projectiles (triangular/cruciform cross-sections) under a low-strength projectile (A3 steel) and high-strength target (45 steel) configuration. Simulations at 1000–1600 m/s reveal velocity-dependent penetration gains: triangular sections achieved gains of 1.11% at 1000 m/s and …

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Dynamic mechanical behavior and modified Johnson-Cook constitutive model of 95W-Ni-Fe-Co alloy under different processing conditions

Rui Zhu, Xuan Zhou, Dongsheng Han, Yiding Wu et autres

• Microstructural Optimization Enhances Strength & Isotropy • Solution treatment refined tungsten grains and boosted binder-phase solubility, yielding 5% strength gain, while 20% rotary forging achieved 81% strength improvement. Low-deformation rotary-forged 95W exhibited isotropic behavior (no orientation-dependent strength variation in 0°-90° compression …

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Strain rate sensitivity and dynamic failure mechanisms of penetration-resistant ultra-high-strength armor steel

Rui Zhu, Dongsheng Han, Xuan Zhou, Yiding Wu et autres

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Comparative analysis of ductile and brittle fracture modes in high-hardness steel projectiles during impact

Yilei Yu, Minghui Ma, Guangfa Gao

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Generalized Wave Impedance Error Modeling in Variable-Geometry Waveguides: Mechanisms and Propagation Analysis

Lin Chen, Yiding Wu, Xuan Zhou, Guangfa Gao

Abstract Generalized wave impedance theory, used to simplify stress wave analysis, has practical limitations. This study examines its applicability under non-ideal conditions, specifically the influence of coupling factors on wave propagation at variable cross-sections via simulations. Based on the generalized wave impedance …

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