冲击载荷

冲击载荷下CFRP及GFRP层板断裂韧性的研究

Fracture toughness research of CFRP and GFRP laminates under impact load

采用基于全量Lagrangian理论的非线性有限元方法研究了冲击载荷作用下含层间短纤维的复合材料层板的分层扩展问题。

The delamination crack propagation in composite panels involving interlaminar short fiber under impact load was studied using geometrically non-linear FEM , based on the total Lagrangian formula .

冲击载荷下Al2O3抗弹陶瓷的力学性能实验研究

Mechanic Performances of Anti - Shoot Alumina Ceramic under Shock - Loading

无网格MPM法在冲击载荷问题中的应用

Application of material point method to shock load problems

径向轴对称冲击载荷下正交异性固支圆板的Liapunov稳定性

On the Liapunov 's Stability of a Clamped Orthotropic Round Plate under Radial Axisymmetrical Impact Load

冲击载荷下航天用PBGA焊点的优化设计

Optimization Design of Astronomic PBGA Solder Joint under Shock Load

动态下材料的脆化倾向增强，动态断裂韧性KⅠd随冲击载荷速率的变化因材料的不同而不同，是研究高能冲击载荷下石油套管开裂及其预防的有效手段。

The brittle tendency of material will be increased under dynamic condition and the dynamic fracture toughness K ⅰ d is a method to solve the oil casing fracture under high energy impact load .

碎裂化现象（Fragmentation）是材料在高速冲击载荷下的一种重要的失效模式，因此，动态碎裂的研究无论在理论研究以及工程应用上都具有重要意义。

Fragmentation is an important material failure mode in high-velocity impacts . The study on dynamic fragmentation is of great significance both in the academic research and the engineering applications .

使用ADAMS软件建立了混凝土泵车臂架系统的动力学仿真分析模型，对泵车臂架系统在不同峰值的油缸冲击载荷下的动态响应进行了详细分析。

In this paper , the ADAMS software is used to establish the model of concrete pump truck . The response of the arm frame is analyzed by different impact load .

近几年来，Pao、Howard以及他们的合作者提出了一种求解桁架或框架在冲击载荷作用下动态响应的新方法：回传波射矩阵法。

Recently Pao and his colleagues proposed a method to solve the transient response of trusses and frames under impact load : the method of reverberation ray matrix .

基于CZM法QFN器件热冲击载荷下的界面脱层研究

Study on Interface Delamination of QFN under Thermal Shock Loading Based on CZM Method

严重冲击载荷作用下，井架顶部开口响应最为强烈，危险时位移可达4cm等结论。

Under serious impact , the response from derrick 's foreside is the most prominent , even 4 centimeters in danger .

采用大型非线性有限元程序LS-DYNA对缠绕角度为20°的多层扁平绕带式压力容器在承受内部中心爆炸冲击载荷下的动力响应进行了数值模拟分析。

The dynamic responses of flat ribbon-wound pressure vessels with 20 ° winding-angle subjected to explosion impact loading were numerically simulated using the three-dimensional finite element simulation code LS-DYNA in this paper .

对双悬臂梁高量程MEMS加速度传感器的封装结构进行了1×105g峰值的半正弦加速度冲击载荷下的有限元响应分析。

The dynamic response of the package structure for a high - g MEMS accelerometer with double cantilever beams under high - g shock acceleration was simulated using finite element method .

研究了稀土元素处理玻璃纤维填充金属塑料多层复合材料在冲击载荷、干摩擦条件下的摩擦和磨损性能，并利用扫描电子显微镜（SEM）对磨损表面进行了观察和分析。

The friction and wear properties of metal plastic multilayer composites were investigated under impact load and dry friction conditions . The composites were filled with glass fiber with or without rare earth treatment . The worn surfaces were observed and analyzed by scanning electron microscopy ( SEM ) .

分析了冲击载荷作用下胶泥流体缓冲器的工作原理，基于Maxwell粘弹性流体模型，推导出阻尼力的数学表达式。（2）胶泥吸能器减振性能的验证。

Based on the Maxwell viscoelastic fluid model , analyzed the working principle of the elastomer damper under impact , and then deduced the mathematical expressions of damping force . ( 2 ) The vibration reduction for validation of the elastomer damper .

对于用PVDF压电薄膜监测结构的冲击载荷也进行了初步的研究，实验结果表明采用PVDF压电薄膜可以实时监测结构所受的冲击载荷，并能及时反应出结构所受到的冲击损伤。

A preliminary study of PVDF piezoelectric film for monitoring the impact loading of the structures has also been conducted . The result indicates that the impact loading anda damage of the structures can be real-timely detected by using PVDF piezoelectric film .

运用UG-nastran模拟冲击载荷下关键部件的受力，得出零件S-N曲线，为更深层次拟合仿真和现场记录的研究做准备。

The use of UG-nastran , analog simulation of the key components under impact loading obtained parts S-N curve is fitting for deeper study of the simulation and field records to prepare .

冲击载荷作用下舰艇管路系统全局参数灵敏度分析

Global parameter sensitivity analysis of Shipboard Piping Systems under shock loads

爆炸冲击载荷下球壳无模成形过程研究

Research on non-die spherical shell forming process by shock wave functioning

冲击载荷作用下结构动态响应分析的罚函数有限元法

Structure dynamic response analysis by use of penalty finite element method

冲击载荷下核动力船只控制棒的动态响应研究

Dynamic Responses of Control Rods of Nuclear Ship under Impact Load

冲击载荷下孔隙岩石能量耗散的实验研究

Experimental study of energy dissipation of porous rock under impact loading

冲击载荷下小模数齿轮动态应力研究

Study on dynamic stress of small module gear under impact load

模具材料在冲击载荷下磨损性能的评价与研究

The evaluation and research of impact wear resistance of die materials

爆炸冲击载荷下土壤动态本构关系的实验研究

Study on Dynamically Constitutive Relation of Soils under Explosive Impact Loading

低速冲击载荷下加筋板弹塑动力响应分析

Elasto-Plastic Dynamic Response of Stiffened Plates Under Low Velocity Impact Load

爆炸冲击载荷作用下岩体力学特性的演化研究

Study the Mechanical Properties Evolution of Rock Under Blasting Shock Load

采场支架冲击载荷的动力学分析

Dynamic analysis of impact load on the support in the workings

冲击载荷作用下齿轮动应力的研究

Study of dynamic stress in a spur gear under impact load