1) specific energy absorption
比吸能性
2) specific energy absorption
比吸能
1.
In this paper,the size optimization of the metal thin-walled component with a square cross-section is performed,where the Specific Energy Absorption(SEA) is taken as the objective function by using the Response Surface Method(RSM) on a basis of explicit Finite Element(FE)algorithm.
本文基于显式有限元技术,采用响应面法,以结构的比吸能为优化函数,以提高吸能原件的抗撞性为目的,对正方形截面的金属薄壁梁进行了形状优化。
2.
With the help of explicit dynamic finite element methods,a simulated aluminum foam-filled circular tube structure is established,showing the axial dynamical buckling of the structure and also allowing an analysis on its energy-absorption property from two aspects:the crushing force and specific energy absorption.
采用显式动力有限元方法,模拟了结构在轴向冲击作用下的动态屈曲,并从压溃力和比吸能2个方面分析了其吸能特性。
3) Specific energy absorption(SEA)
比吸能
1.
The maximization of the energy absorbed by the structure,the maximization of the Specific Energy Absorption(SEA),and the minimization of the initial force peak are considered as the multiobjective functions.
以交通工具中部分锥形薄壁方管的安全装置作为研究对象,建立以薄壁管在碰撞过程中吸收能量最大化,比吸能最大化和初始碰撞力峰值最小化为多目标的优化问题,用锥形部分的几何参数作为设计变量,在保证不降低薄壁管吸能能力的情况下,通过对其结构的优化达到初始碰撞力峰值最小化的目的,论文采用有限元软件LS-DYNA得到不同几何参数模型的碰撞信息,用响应面法构造近似函数,同时引入权系数以表征各个目标在优化问题中的重要程度,并采用理想点法求解多目标优化问题,分析了锥形薄壁方管各几何参数对结构的能量吸收、比吸能和初始碰撞力峰值的影响,最终得到了给定权系数下的最优模型。
4) ratio of the energy-absorption
吸能比
1.
For the elasto-plastic bar,when the impact load is constant,the larger speed of the load,the smaller the peak value of the distance and the velocity at the free end,but the higher ratio of the energy-absorption.
发现:对于弹性直杆,轴向冲击荷载大小不变,加载速率的改变对加载点位移和加速度影响较大,而对加载点的速度峰值影响不大,加载速率越大,加载点的位移越小,加速度越大;对于弹塑性杆,加载速率越大,加载点的位移和速度峰值越小,结构的吸能比却越大。
5) energy absorption ability
吸能性能
1.
The compression deforming activity and energy absorption ability of aluminum foam with silicone rubber and rubber cylinder sandwich with silicone rubber were studied.
研究表明:在泡沫铝中充填硅橡胶后,泡沫铝的平台区比原来增高、增长,其吸能性能也得到提高;由于泡沫铝的充填,钢管的变形方式发生改变,由不对称屈曲转变为轴对称屈曲;充填硅橡胶的泡沫铝层合金属管具有比原来更高的屈曲褶皱载荷,且屈曲褶皱的产生滞后,其吸能性能也得到提高,硅橡胶充填对层合钢管的影响比对层合铝管的影响更明显。
2.
Compression deforming activity and energy absorption ability of aluminum foam with silicone rubber and aluminum foam with silicone rubber cylinder sandwich under pressing was studied.
在此基础上，研究了硅橡胶的充填对泡沫铝及泡沫铝层合管吸能性能的影响；面板厚度对泡沫铝层合梁抗弯性能的影响。
6) energy absorption
吸能性能
1.
The characteristics of cellular aluminum specimen under compression were investigated, and the effects of porosity and pore-diameter on energy absorption of cellular aluminum were revealed.
研究了胞状铝的压缩形变特征以及孔隙率、孔径对吸能性能的影响 ;提出了不同孔隙率和孔径的胞状铝吸能性能的综合判别方法 。
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
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