鸟体在高速撞击下采用SPH方法模拟。
航天器的蒙皮是抵御空间碎片超高速撞击的最基本防护结构。
Skin of spacecraft is usually considered as the most basic shield structure against hypervelocity impact of space debris.
薄板和中厚板的超高速撞击特性是空间碎片防护结构设计的重要基础。
The hypervelocity impact characteristics of thin plate and medium thickness plate are the important basic for design of space debris shield structure.
撞击防护符合所有ANSI Z 87.1关于高速撞击和重物撞击标准。
Impact protection that meets all ANSI Z87.1 standards for high velocity and high mass impact resistance.
根据撞击过程中能量的分配与吸收，进一步弄清了叶片高速撞击机匣的机理。
Based on the process of energy absorption and distribution between blade and shell, the mechanism of blade with high-speed impacting containment ring was further understood.
地面模拟试验表明，空间粉尘高速撞击下对这些材料与元器件会产生不同程度的损伤。
The ground - based simulation tests demonstrated that the space dust collision could result in the damage of the above materials and elements to different extent.
微流量及空间碎片的高速撞击威胁着航天器的安全运行，导致其严重的损伤和灾难性的失效。
High velocity impact on spacecraft by meteoroid and space debris is a threat to its safety operation, that can in turn lead to significant damage and catastrophic failure.
本文用改进的HELP二维计算程序，流体弹塑性力学模型，计算了复合弹体高速撞击岩体问题。
Using the elastic-plastic hydrodynamic model, a problem of a composite high velocity projectile impacting at the rock is calculated by the modified two-dimensional HELP code.
虽然经历过高速撞击，不过许多回送的样品状况仍然可供分析之用，而相关的研究仍在持续之中。
Despite the crash landing, many return samples remained in good enough condition to analyze and research is ongoing.
作为应用的例子给出了超高速撞击条件下航天器空间碎片防护结构以及压力容器损伤特性实验研究的结果。
The results of spacecraft space debris shield configuration, as well as pressure vessel damage behavior characteristic under hypervelocity impact conditions are presented as applications.
微流星体及空间碎片的高速撞击威胁着长寿命、大尺寸航天器的安全运行，导致其严重的损伤和灾难性的失效。
High velocity impact on long duration and large size spacecraft by meteoroid and space debris is a threat to its safety operation, that can in turn lead to significant damage and catastrophic failure.
微流星体及空间碎片的超高速撞击威胁着长寿命、大尺寸航天器的安全运行，导致其严重的损伤和灾难性的失效。
Hypervelocity impact on long duration and large size spacecraft by meteoroid and space debris is a threat to its safety operation that can in turn lead to significant damage and catastrophic failure.
针对空间碎片超高速撞击充气压力容器问题，应用非线性动力学分析软件AUTODYN-2D，采用SPH方法对碎片云在高压气体中的运动特性进行了数值模拟研究。
SPH methods in AUTODYN-2D was used to investigate the characteristics of debris clouds propagation inside the gas-filled pressure vessels for hypervelocity impact on the pressure vessels.
采用高速大质量块撞击火炮身管是一种技术可行的火炮射击模拟试验方法。
Driving a huge mass with a high speed to impact the tube of gun weapon is a feasible technology used to simulate the firing process.
试验结果表明发动机低速时配气机构噪声主要由气门间隙敲击引起的，而高速时主要由气门落座时撞击引起的。
Test result indicates that the main noise source is the valve clearance impact under the condition of low speed, while the main source is valve-seating impact under the condition of high speed.
分析结果表明：高速射流引起的撞击是造成灵芝孢子破壁的最主要原因。
The analysis shows that the impingement caused by the high speed jet is the main reason of sporoderm broken.
在高速流动的流体和静止流体撞击位置，流动速度出现间断，该速度间断的位置不断向液滴冲击区域外扩展。
At the striking position of the high-speed fluid to the static fluid, a velocity discontinuity appears, which propogates outwards in the film.
无论是颌面部撞击伤还是高速投射物伤，除了直接损伤作用外，都还常常导致邻近组织、器官的间接损伤。
When the region suffers impact injury or high velocity projectile injury, indirect injury of adjacent tissues and organs will usually occur.
以涡轮发动机为背景，讨论了高速转动的涡轮叶片受到飞射物强烈撞击后的塑性动力响应问题。
The plastic dynamic response of a turbo blade rotating in high speed under impact by a flying object is analyzed.
更糟糕的是：落差大，很容易达到最高速度- - -您的速度越快，双脚撞击地面越厉害，肌肉承受的冲击越大。
To make matters worse: it's easy to hit top speed on a steep descent-and the faster you move, the harder each foot strikes the ground, and the more pounding the muscles endure.
托尔伯特说，就在数周前一辆水泥运输车还曾撞击过高速路的中路，撞坏了一大部分路。
A few weeks earlier, Talbot said, a concrete hauler had hit the freeway median, taking out a big chunk of it.
在撞击下，他的车翻了好几个翻，然后又在高速路上滑了一段。
The collision flipped his car a few times and sent it skidding down the highway.
警示信号在高速行驶时，如果你听到汽车轮胎发出低沉的撞击声，汽车轮胎面有可能脱落，必须马上重视起来——或者甚至是轮胎漏气。
Warning Signs If when driving at highway speeds you hear a muffled thumping noise from your tires, you may have tread separation that requires immediate attention-or even a flat.
警示信号在高速行驶时，如果你听到汽车轮胎发出低沉的撞击声，汽车轮胎面有可能脱落，必须马上重视起来——或者甚至是轮胎漏气。
Warning Signs If when driving at highway speeds you hear a muffled thumping noise from your tires, you may have tread separation that requires immediate attention-or even a flat.
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