1) layer-oriented element integration algorithm
按层单元积分算法
1.
To reduce computing effort of CPML, this article proposes a layer-oriented element integration algorithm.
作为一种高效的人工截断边界条件,共形理想匹配层(CPML)是一种多层各项异性吸收介质,为了减少CPML的计算量,本文构造了一种共形理想匹配层按层单元积分算法,在每个很薄的单层中将相对介电常数与磁导率视为常量,将具有公共法线的多层单元积分运算叠加到一层单元中进行,用多层单元剖分,以一层单元计算矩阵元素。
2) layer-oriented integration arithmetic
按层积分算法
1.
We propose a layer-oriented integration arithmetic for conformal perfectly matched layer(CPML).
基于共形完全匹配层(CPML)吸收边界,构造一种共形完全匹配层矢量单元按层积分算法,将多层单元积分运算叠加到一层单元中进行,用多层单元剖分,以一层单元计算矩阵元素,即保留了多层单元的几何和材料信息,又减少了单元数量和计算量。
2.
To decrease computing scale of CPML,we propose layer-oriented integration arithmetic.
本文构造了一种共形完全匹配层(Conformal Perfectly Latched Layer,CPML)矢量单元按层积分算法,将多层单元积分运算叠加到一层单元中进行,即保留了多层单元的几何和材料信息,又减少了计算规模;为了进一步增强吸收,减少底面反射,应用矢量ABC(Absorbing Boundary Condition,ABC)吸收边界作为CPML底面。
3) Layer-oriented integration vector element
按层积分矢量单元
4) thin-layer method
单元分层法
1.
Based on the soil critical equilibrium theory,the paper discussed the distribution of earth pressure on retaining wall under the working conditions with or without excavation and backfilling between the wall and ground by thin-layer method,deducted the formulas of active earth pressure strength and coefficient of active earth pressure.
基于极限平衡理论,利用单元分层法分别讨论了墙后无开挖回填和有开挖回填不同工况条件下的挡土墙土压力分布形式,推导出不同工况条件下的主动土压力强度及主动土压力系数理论公式。
5) differential quadrature element method
微分求积单元法
1.
The new version of differential quadrature element method(DQEM) is used to analyze the stability of isotropic stiffened plates for the first time.
本文首次采用新近提出的微分求积单元法分析了各向同性加筋板的稳定性问题,建立了微分求积梁单元和板单元,并给出了详细的分析过程。
2.
A differential quadrature element method (DQEM) was presented for the analysis of portal frames with variable sections.
本文采用一种精确、简便的数值计算方法———微分求积单元法(DQEM)对变截面门式刚架结构进行了力学分析。
3.
A new numerical approach entitled differential quadrature element method was used for the second order analysis of frames.
采用一种新的数值方法——微分求积单元法分析框架结构的P-△效应。
6) differential cubature element method
微分容积单元法
1.
Based on the differential cubature method and the domain superposition technique, the differential cubature element method was developed to solve the free vibration problems of stepped Timoshenko beams.
本文基于微分容积法和区域叠加技术提出了微分容积单元法(Differential Cubature Element method,以下简称DCE方法),并用之求解阶梯式变截面Timoshenko梁的自由振动问题。
2.
A new numerical method, the differential cubature element method has been developed based on the domain superposition method and the differential cubature method for free vibration analysis of moderately thick plates with geometric discontinuities.
基于区域叠加原理和微分容积法,发展了一种新型的数值方法——微分容积单元法,用以分析具有不连续几何特征的中厚板的自由振动。
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