1) 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。
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.
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。
4) 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。
5) viscous-spring boundary
黏-弹性边界
6) viscoelastic boundary
黏弹性边界
1.
Combining the idea of viscoelastic boundary with the theory of BEM,the artificial boundary condition of BEM is formulated,which can eliminate the reflection of the seismic waves on the boundaries of the computational domain.
黏弹性边界具有稳定性好,易于与计算程序结合的优点。
2.
This paper presents a virtual work equation with viscoelastic boundary conditions,which is used to consider the nonlinearity of dynamic contact conditions.
本文建立了具有黏弹性边界条件的虚功方程。
补充资料：弹性胶黏剂
分子式：
CAS号：
性质：一类有弹性功能的功能性胶黏剂，硬化的胶层在-60～+120℃为很稳定的橡胶状弹性体，能分散或缓和各种应力，粘接处无残留应力。弹性模数和平坦部分低，伸长很大(40％～200％)，破坏强度相当大。主成分是改性有机硅树脂，已开发一液型、二液型、速固化型等品种。弹性胶黏剂的特点是适于受冲击及振动的粘接，冷热高度性优异，高温高湿性好，对工程塑料粘接性优，剥离粘接强度高，低温固化性优(在0℃也能硬化，适于冬季和寒冷地施工)，不需特殊的表面处理，固化收缩产生应变小，粘接耐久可靠。
CAS号：
性质：一类有弹性功能的功能性胶黏剂，硬化的胶层在-60～+120℃为很稳定的橡胶状弹性体，能分散或缓和各种应力，粘接处无残留应力。弹性模数和平坦部分低，伸长很大(40％～200％)，破坏强度相当大。主成分是改性有机硅树脂，已开发一液型、二液型、速固化型等品种。弹性胶黏剂的特点是适于受冲击及振动的粘接，冷热高度性优异，高温高湿性好，对工程塑料粘接性优，剥离粘接强度高，低温固化性优(在0℃也能硬化，适于冬季和寒冷地施工)，不需特殊的表面处理，固化收缩产生应变小，粘接耐久可靠。
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