Based on double-temperature equation,the temperature field of metal ablation by means of femtosecond,picosecond and nanosecond laser pulses is numerically calculated with finite-difference method to describe different laser pulses ablation on metal surface.
为了描述不同脉冲激光烧蚀金属表面作用过程,从双温模型出发,用有限元差分法对飞秒、皮秒和纳秒脉冲烧蚀金属表面的温度场进行了数值求解,将结果与不同的激光脉冲宽度内约化双温方程得到的解析解和简化方程进行了比较,并讨论了这些简化方程的适用范围和简化的合理性,还讨论了电子热流表达式与辐照激光光强的关系。
The ablation process of copper foil with ultrashort laser pulses was simulated by the double-temperature equation(DTE),which was formatted simply.
使用约化后的双温方程(DTE)对超短激光脉冲烧蚀铜薄层的过程进行了数值模拟;基于超短激光脉冲烧蚀过程中电子与晶格的温度不平衡性,分别模拟了这两个系统的温升过程,并由此得到了单脉冲烧蚀深度;通过变化激光能流,研究了脉冲能量对烧蚀深度的影响。
To describe ultrashort laser ablation on semiconductor surface,numerical simulation of the double-temperature equation is performed by finite-difference method.
为了研究超短激光辐照下半导体表面的热效应,采用有限差分法对双温方程进行了数值模拟,研究了飞秒、皮秒激光作用下,半导体表面载流子和晶格的温度分布情况。
Oscillation of a class of nonlinear hyperbolic equations boundary value problem;
一类非线性双曲方程边值问题的振动性
By making use of the similar methods described in reference[1] , a series of criterions on the oscillatory properties of neutral hyperbolic equations were established.
研究一类变时滞的中立型双曲方程解的振动性质，利用与文献［１］相类似的方法和泛函微分方程的某些结果，建立了若干振动性的判别准则。
In this paper,the streamline-diffusion method of an unconventional Hermite-Type rectangular finite element is studied for the first-order hyperbolic equations.
研究了一阶双曲方程一个非常规Hermite型矩形元的流线扩散法。
A Riemann-hilbert boundary value problem for a first order hyperbolic equation with four variables;
一类一阶四元双曲方程在双圆柱区域上的一个Riemann-hilbert边值问题
A Class of the first order nonlinear hyperbolic equation;
一类非线性一阶双曲方程
Oscillation of hyperbolic equations of neutral type;
中立型双曲方程解的振动性
To describe femtosecond laser ablation on metal surface, the double-temperature equation (DTE) was formatted simply.
为描述飞秒激光烧蚀金属表面过程 ,对双温方程进行了约化。
1.The ablation processing of copper foil with ultrashort laser pulses was simulated bythe Double-Temperature Equation(DTE), which was formatted simply.
使用约化后的双温方程对超短激光脉冲烧蚀铜薄片的过程进行了数值模拟;
The Existence of Solutions for the Initial-Boundary Value Problem of the Dual-Temperature Heat Equation;
双温度热传导方程初值问题解的存在性
The Initial Boundary Problem of the Semilinear Heat Equation with Two Temperatures;
半线性双温度热传导方程的初边值问题
Study on separation of H_2/HD by cryogenic distillation with two interlinking columns
双柱级联低温精馏分离H_2/HD过程研究
rarita schwinger equation
拉里塔 施温格尔方程
Arps hyperbolic decline equation
阿普斯双曲线递减方程
hyperbolic variational inequation
双曲型变分不等方程
canonical hyperbolic differential equatio
典型双曲型微分方程
The two sides have agreed on the itinerary of the visit.
双方商定了访问日程。
A Class of Hyperbolic Schrodinger Equation;
一类双曲型Schrdinger方程
New Method for Designing Heat Exchanger Network--Dual Approach Temperature
换热网络的新设计方法——双温差法
Method of dual-domain preserved-amplitude based on double-square-root equation for seismic migration
基于双平方根方程的双域保幅地震偏移方法
DSR one-way wave equation prestack τ migration
双平方根单程波动方程叠前τ偏移方法
The Way of Bilinear Equation of Computing Nonlinear Developing Equation;
一个计算非线性发展方程的双线性方程的方法
A Method on Applying of the Known Asymptote Equation to Solve the Hyperbola Equation;
已知渐近线方程求双曲线方程的一种方法技巧
The Galerkin Alternating-Direction Method for Hyperbolic Equations;
几类双曲型方程交替方向有限元分析
High Accuracy GDQ Method for One Dimension Hyperbolic Conservation Equation;
一维双曲守恒律方程的高精度GDQ方法