1) artificial viscosity
人工黏性
1.
Under the assumption that the artificial viscosity coefficient at the propagating crack tip is in inverse proportion to power law of the plastic strain rate, a rate-sensitive constitutive relationship is derived for elastic-perfectly-plastic materials.
假设扩展裂纹尖端的人工黏性系数与塑性应变率的幂次成反比,推导出理想弹塑性材料的一种率敏感型本构关系。
2) Viscous-spring artificial boundary
黏弹性人工边界
1.
Based on the soil mechanic model in saturated porous media,by combining viscous-spring artificial boundary with the 2-D explicit finite element method,an explicit numerical wave method is proposed to analyze the effect of the local terrain on the dynamic response of saturated site under diffracting earthquake wave field.
为了能合理分析局部场地条件对地震波散射波场的影响,基于饱和多孔介质理论的土力学模型,提出了一种显式有限元与黏弹性人工边界相结合的数值波动模拟方法。
2.
The seismic response analysis method of the rockfill dam which could represent travelling wave effect and radiation damping of infinite foundation was realized through the introduction of viscous-spring artificial boundary and relevant seismic wave input means.
本文引入了黏弹性人工边界及其地震波动输入方法,实现了可考虑行波效应、地基辐射阻尼的土石坝地震反应分析方法,并通过半圆形山谷散射问题对实现此方法的程序准确性进行了验证。
3) viscoelastic artificial boundary
黏弹性人工边界
1.
Research on seismic wave input with three-dimensional viscoelastic artificial boundary
三维黏弹性人工边界地震波动输入方法研究
2.
A viscoelastic artificial boundary was constructed to simulate radiation damping in a semi-infinite medium and the elasticity recovery capacity of the medium at the far field.
为研究结构-地基相互作用对上承式大跨度钢管混凝土拱桥地震反应的影响,以黏弹性人工边界模拟半无限介质的辐射阻尼及远场地球介质的弹性恢复性能。
3.
In order to get the artificial boundary that suits to analyze nonlinear structure-foundation interaction problems, the viscoelastic artificial boundary simulating radiation damping of the far field medium was obtained from the elastic wave theory and viscoelasticity theory.
结果表明:在结构-地基动力相互作用问题中,得到的黏弹性人工边界模拟计算域外远场黏弹性介质的辐射阻尼具有理想精度;不论是简谐波还是非简谐波,地震波动输入都取得了理想结果;在黏弹性介质条件下自由地表处的总场位移幅值n是输入波幅值的2e-αx倍。
4) viscoelastic artificial boundary
黏-弹性人工边界
1.
Application of viscoelastic artificial boundary to dynamic response analysis of Shuangjiangkou rock-fill dam;
黏-弹性人工边界在双江口土石坝动力分析中的应用
2.
Applying viscoelastic artificial boundary to dynamic response analysis of Shuangjiangkou rock-fill dam,the effect degree concerning earth-rock dam dynamic response based on viscoelastic artificial boundary and the radiation damping effect of foundation is evaluated.
应用黏-弹性人工边界于双江口土石坝的动力响应分析中,考察了黏-弹性人工边界及地基辐射阻尼效应对土石坝动力响应的影响程度。
5) consistent viscous-spring artificial boundary
一致黏弹性人工边界
1.
3-D consistent viscous-spring artificial boundary elements are introduced in the ABAQUS software,the effects of the distance between multi-source loading points and the viscous-spring artificial boundary on the simulation results under train loading conditions are disc.
将三维一致黏弹性人工边界单元引入ABAQUS有限元软件,建立以连续轴重荷载组成列车荷载、采用一致黏弹性人工边界单元作为边界的三维无砟轨道/路基有限元模型,选取国家轨道试验中心的无砟轨道结构参数计算得到路基动应力,并与动车组CRH2运行的实测数据进行对比。
6) consistent viscous-spring artificial boundary element
一致黏弹性人工边界单元
1.
3-D consistent viscous-spring artificial boundary elements are introduced in the ABAQUS software,the effects of the distance between multi-source loading points and the viscous-spring artificial boundary on the simulation results under train loading conditions are disc.
将三维一致黏弹性人工边界单元引入ABAQUS有限元软件,建立以连续轴重荷载组成列车荷载、采用一致黏弹性人工边界单元作为边界的三维无砟轨道/路基有限元模型,选取国家轨道试验中心的无砟轨道结构参数计算得到路基动应力,并与动车组CRH2运行的实测数据进行对比。
补充资料：人工受精与人工授精
人工受精与人工授精
artificial fertilization and artificial insemination
我国学者把“人工受精”与“人工授精”两名词区别开来：前者指人工体外受精而言，后者指把精液注入到妇女的阴道或宫颈管、宫腔内，使精、卵在体内相遇。人卵体外受精与胚胎移植后出生的婴儿俗称试管婴儿。
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