1) element birth and death technology
单元生死技术
1.
Based on the state nonlinear finite element method, the principles of element s "death" , "floating" and "birth" for element birth and death technology are revealed, associated with the geometric nonlinear effect.
深入研究了考虑结构时变以及耦合几何非线性因素后单元生死技术模拟施工过程的基本原理,从数学和物理上揭示了单元"杀死"、"漂移"和"激活"的机理,探讨了耦合几何非线性因素后分步建模技术求解施工过程的基本原理,对这两种分析方法进行了比较。
2.
This paper reveals the principles of element s death , floating and birth for element birth and death technology mathematically and physically.
该文剖析了单元生死技术模拟施工过程的基本原理,从数学和物理上揭示了单元"杀死"、"漂移"和"激活"的机理。
3.
Element birth and death technology and First order optimization method in ANSYS are used in this paper to simulate the erection process of hollow steel tubular arch rib and calculate the cable force.
利用 ANSYS 有限元分析软件的单元生死技术及优化功能,对拱桥拱肋的吊装过程进行模拟及扣索索力的优化。
2) dead-live unit method
生死单元技术
1.
Simulation in multipass welding employs dead-live unit method to activate backing weld and cover pass in sequence.
以ANSYS有限元软件为基础,采用双椭球热源模型模拟了电站锅炉20g钢管熔化极混合气体保护焊焊接过程中的三维动态温度分布,利用生死单元技术实现了双道焊打底与盖面焊道热过程的依次模拟,根据模拟出的焊接热影响区热循环曲线与焊接CCT图,预测接头的组织变化与显微硬度分布。
3) Element birth and death
生死单元
1.
The method of element birth and death was applied to simulate the model of loading welding heat source.
基于ANSYS平台给出了管道对接焊接头残余应力数值模拟的计算流程,选用三维实体单元,考虑了材料物理性能随温度的变化以及外界环境对焊接管道对流和辐射散热的影响,采用生死单元方法的热源加载模式,获得了焊接接头残余应力场的分布规律,并对结果进行了分析和讨论。
4) birth-death element
生死单元
1.
The paper briefly introduces several heat source models in numerical simulation of welding processes,including Gaussian distribution,double-ellipsoid distribution and birth-death element.
文中简要介绍了焊接过程数值模拟热源的各种加载模式:高斯分布函数、双椭球分布函数、生死单元方法。
5) element birth and death
单元生死
1.
The process of multi-pass welding was simulated using a technique of element birth and death.
选用三维实体单元,考虑了材料物理性能随温度和相变的影响,采用内部热生成和振幅曲线的加载方法模拟焊接热源的移动,运用单元生死技术模拟多道焊过程。
2.
Temperature distribution during wheel piling is simulated using the thermal analysis module as well as "element birth and death" and contact features of finite element analysis software ANSYS (Ver 6.
0的热分析模块以及“单元生死”和接触功能,成功地模拟了车轮堆垛过程的温度场,为等温过程温度场的模拟奠定了基础。
3.
The paper actualizes the structural initial load using the element birth and death technology,and contrasts the RC beam strengthened with CFRP on the bottom face with the one strengthened with CFRP on the side faces.
在分析中,利用单元生死技术实现结构的二次受力,并对碳纤维梁底加固和梁侧加固的两种不同情况进行了对比。
6) birth and death of element
单元生死
1.
Based on "birth and death of element" and "APDL language",a series of 3-D finite element models is established with current software,and subsequently the deformations of concrete filling are analyzed in the case of the arch foots altitude difference separately being 0.
利用接触面单元,模拟混凝土与管壁的相互作用,同时利用有限元软件的"单元生死"和"APDL语言编程"建立拱肋灌注混凝土的有限元模型,分析对称灌注及两边灌注高差为0。
2.
The technique of “birth and death of element” was brought in the finite element model of construction simulation, which simplified the analysis process.
在施工仿真分析的有限元建模中,引入了“单元生死技术”,使得分析过程简单快捷;在处理施工荷载时,充分考虑了泵送液态混凝土复杂的力学性质,提出了分配液态混凝土自重荷载的新方法,并通过温度荷载等效模拟混凝土的自膨胀效应及水化热效应对结构内力的影响。
3.
In order to obtain the most superior lightweight locomotive frame structure,based on ESO(evolutionary structural optimization),the ANSYS\'s birth and death of element function redevelopment were applied,the element with relatively low stress or low strain energy density was "killed" by setting a stress threshold,and the topology optimization procedure was established by APDL.
为了获得高速机车构架最优轻量化的结构方案,基于渐进结构优化法(ESO),应用ANSYS单元生死功能的二次开发,设定一应力阀值,将相对低应力或低应变能密度的单元"杀死",通过APDL语言编制拓扑优化程序,对某高速动力车辆转向架构架内部筋板位置进行了拓扑优化仿真,提出了构架梁体内部筋板的最优拓扑位置,并对构架的板厚进行了尺寸优化。
补充资料：无始生死
【无始生死】
（术语）无明无始，故生死亦无始也。(参见：无始无明)
（术语）无明无始，故生死亦无始也。(参见：无始无明)
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