侵徹試驗 的英文怎麼說
中文拼音 [qīnchèshìyàn]
侵徹試驗
英文
penetration test-
Simulation of penetration test of armoured plate is presented by explicit dynamics algorithm
摘要採用顯式動力學演算法對裝甲材料侵徹試驗的過程進行數值模擬研究。It is proved that contact algorithm of ls - dyna is reliable
研究結果表明，裝甲材料侵徹試驗過程的數值模擬是有效可行的。The simulation result accords with the experiment, and provides reference for the design and capability evaluation of hard target penetration fuze
模擬實驗結果與試驗相符，為硬目標侵徹引信的設計及性能評估提供參考。They are applied to different situations and verified by experiments. analysis model of small ap oblique penetrating ceramic / metal light armor is established on the basis of energy model and the assumption of ellipse absorbing the same energy in back plate, giving the predictable formula about ballistic limit velocity. with energy model the optimization design in relation to ceramic / metal light armor is analyzed and the optimal coefficient of ceramic / metal composite armor is gained
本文的主要研究內容如下： （一）建立了小型穿甲彈垂直侵徹陶瓷/金屬輕型裝甲的動量模型和能量模型，它們分別適用不同情況，並通過試驗驗證；基於能量模型和背板橢圓吸能相同假設，建立了小型穿甲彈斜侵徹陶瓷/金屬輕型裝甲的分析模型，給出了彈道極限速度預測公式；利用能量模型對陶瓷/金屬輕型裝甲的優化設計進行了分析，給出了陶瓷/金屬復合裝甲的最佳優化系數。Based on theory of impact dynamics, the process of penetration test is simulated and the strength of supporting frame is checked
介紹了沖擊動力學的基本理論，對侵徹試驗中裝甲材料的破壞進行了數值模擬，校核了試驗靶架的強度，模擬結果和試驗值進行了比較。Targets made of ship - building steel, which is concerned, were penetrated by conical and flat - ended projectiles. the damage and failure behaviors of targets have been studied systematically by micro - hardness, metallography and scanning electron micrography. the results show that the ductile hole failures and back - surface petal failures are achieved when targets penetrated by the conical projectiles
本文以某船用鋼為研究對象，運用彈板侵徹試驗及顯微硬度、金相顯微鏡和sem等分析測試手段，研究了靶材在侵徹過程的物理變化和損傷規律，從而對尖頭彈和鈍頭彈侵徹船體鋼的物理過程有了較全面的了解。Firstly on the basis of twin shear unified strength theory and spherical cavity expand theory it is established the expression about target defense force, given the equations of rod projectile penetrate and impact velocities on ceramic / composite target under the same pressure and verified through the experiment. secondly the analysis model of ceramic / grfp / steel composite multi - layer target penetrate depth employing above differential equation of target defense force, penetrate velocity and rod velocity. there are two team of experiments which testify separately the penetrate depth and effect with different length - to - diameter
首先，基於雙剪統一強度理論和球型空穴膨脹理論建立了靶板抗力表達式，並通過壓力相等條件給出了桿式彈侵徹陶瓷復合靶板的侵徹速度與撞擊速度的表達式，最後用試驗進行了驗證；其次，利用上面的靶板抗力表達式、侵徹速度、彈桿速度的微分方程，建立了陶瓷/玻璃鋼/鋼板復合多層靶板侵徹深度分析模型，分兩組試驗對侵徹深度、不同長徑比的侵徹效果進行了驗證;最後，建立了桿式彈垂直侵徹陶瓷多層復合靶板的工程模型，給出了預測靶板抗彈性的k 。From the experimental data and result, it is found that the penetrate resistance of fgm plate is much better than pure aluminium plate
從試驗數據和結果分析發現功能梯度材料板比純鋁板具有更好的抗侵徹性能。With lower cost, shorter period and better repeatability, numerical simulation is helpful to physical test
與侵徹試驗相比，數值模擬具有可重復性好、周期短、成本低的優點，對物理試驗具有重要指導意義。分享友人