1) bird impact resistance
抗鸟撞能力
1.
Numerical analysis on bird impact resistance of arc windshield;
无机/有机复合圆弧风挡抗鸟撞能力数值分析
4) bird impact
鸟撞
1.
Numerical analysis of the damage of bird impaction against composite laminates and the influence factors on absorbing energy;
复合材料层合板鸟撞损伤及吸能影响因素数值分析
2.
Numerical simulation of bird impact on bladed rotor stage by fluid-solid coupling method;
采用流固耦合方法的整级叶片鸟撞击数值模拟
3.
Numerical simulation of bird impact dynamic response for windshield;
飞机风挡结构抗鸟撞动响应数值模拟
5) bird strike
鸟撞
1.
Identification of a birdbody constitutive model and its parameters,which is very difficult,is an important factor to affect the numerical simulation result of an aircraft windshield against bird strike.
鸟体本构模型及其参数的确定是影响鸟撞飞机风挡数值模拟结果的重要因素,也是一直困扰大家的难题。
2.
Based on the measured real time signals of bird strike experiment and finite element numerical solutions, this paper constructs a dynamically delayed feed wavelet (DDFW) neural network to inverse the impact loadings.
以鸟撞实验中传感器实测信号为基础 ,结合有限元正问题计算方法与神经网络理论 ,构造小波动态延时反馈神经网络 ,并详细分析了该网络的结构参数、对比了网络单点应变输入法、两点应变输入法以及三点 (多点 )应变输入法的训练效率与反演精度 。
3.
Through a numerical example,the user material subroutine of ZWT nonlinear visco-elastic constitutive model is compiled and the keyword definition method is applied to study failure criterion for aircraft windshield against bird strike.
推导了ZWT犁非线性粘弹性本构方程的增量迭代形式;介绍了LS-DYNA3D中材料子程序和破坏准则的定义方法:通过计算实例编写ZWT型非线性粘弹性材料子程序,并将关键字定义方法应用于鸟撞飞机风挡的破坏准则研究,鸟撞有限元数值模拟采用接触碰撞耦合解法。
6) bird-impact
鸟撞
1.
Dynamic response analysis of bird-impact aircraft windshields based on PAM-CRASH
基于PAM-CRASH的鸟撞飞机风挡动响应分析
2.
A numerical simulation of bird-impact on a blade is studied.
基于显式碰撞动力分析软件PAM-CRASH及其提供的SPH方法,建立了鸟撞平板叶片数值分析模型。
补充资料:继电保护设备抗干扰能力
继电保护设备抗干扰能力
interference withstand capability of protec-tive relays and relay systems
J一d一on boohu shebel kangganrao neng(-越电保护设t抗千扰能力(interfereneewithstand ea邵bility of proteetiverelay systems)relays and见变电所二次回路干扰。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条