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zhaomingdagonglvfaguanerjiguan
根据传热理论, 建立了大功率发光二极管的有限元模型. 选择了4 种键合材料( 高导热导电
银胶、纳米银焊膏, 大功率芯片键合胶、Sn70Pb30) , 4 种基板材料( Al2O3、A lN、A-l SiC、铜钼合金) .
采用ANSYS 有限元热分析软件进行了温度场仿真, 得到了大功率发光二极管封装材料的最优选
择. 研究了基板厚度、芯片输出功率及外接热沉时对发光二极管结温的影响.(Heat transfer theory, the finite element model of the high-power light-emitting diode. Choose four kinds of bonding material (high thermal conductive silver glue, nano-silver paste, high-power chip bonding glue Sn70Pb30) substrate material ( Al2O3, A lN, Al SiC, copper molybdenum alloy). temperature field simulation using ANSYS finite element thermal analysis software, the optimal choice of high-power light-emitting diode packaging materials. substrate thickness, chip output power and external heat Shen light-emitting diode junction temperature.)
- 2012-10-25 13:22:30下载
- 积分：1
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Nnnrrfxxfce
牛顿法计算方程，能计算非线性方程/方程程组，有需要的能试试，主要是数学方法的实现
(Newton method to calculate the equation to calculate the nonlinear equation/equation of equations, needs to try, mainly the implementation of the mathematical methods)
- 2012-08-20 07:22:55下载
- 积分：1
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Second-Order-Runge-Kutta-Code
二阶微分方程组，采用龙格库塔法求解，将二阶降为一阶之后在求解。(Second-order differential equations, using the Runge-Kutta method to solve the second-order reduced to an order after solving.)
- 2020-09-22 17:07:50下载
- 积分：1
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Kalman
说明： 非常好的卡尔曼滤波学习程序。文章中有原题，有解题步骤，有实现程序。适合卡尔曼学习过程中的人。(Very good learning process Kalman filter. The article in the original title, there are problem-solving steps to achieve the procedure. Kalman learning process for people.)
- 2008-11-20 16:32:54下载
- 积分：1
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simple_beam
一个简单的悬臂梁基于Python有限元程序，包括了计算程序，模型数据(A simple cantilever Python-based finite element program, including a computer program, data model)
- 2021-05-07 17:01:36下载
- 积分：1
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求解无约束优化问题wolfe
求解无约束优化问题
wolfe线性搜索代码(Wolfe line search for unconstrained optimization)
- 2020-07-05 16:08:59下载
- 积分：1
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seagrid
说明： 任意边界结构正交曲线网格生成程序，使用方便简单(Arbitrary boundary structure of orthogonal curvilinear grid generation procedure, easy to use simple)
- 2008-11-15 18:13:09下载
- 积分：1
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usub-TEE-ECM
弹性补偿法的程序，在abaqus中进行二次开发，可以计算各种结构的极限载荷。(The elastic compensation method of the procedure, carries on two times of developments in ABAQUS, can be used to calculate the limit load of various structures.
)
- 2013-08-27 21:49:31下载
- 积分：1
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lyapunov_wolf
lyapunov指数求解，采用wolf法，计算速度极快(lyapunov Index solving, using wolf law, the calculation speed)
- 2007-10-08 09:49:07下载
- 积分：1
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共炮点地震波正演，其中、包括了直达波，反射波，折射波common-points-forward-
共炮点地震波正演，其中、包括了直达波，反射波，折射波(Common shot point synthesis of reflected wave records)
- 2012-05-22 15:57:43下载
- 积分：1
