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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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ModelC_alloy
说明： 相场法材料计算的modelc-alloy 对应的基础代码，自取基础有用(The basic code corresponding to modelc-alloy for phase field method material calculation, useful for self-extraction)
- 2020-06-25 12:40:02下载
- 积分：1
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jisaunerchongjifen
求解任意区域上的二元函数的二重积分，功能强大实用方便！(Solving binary function on any area of the double integral, powerful practical and convenient!)
- 2013-06-06 10:32:44下载
- 积分：1
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SIMCA-PP-11-Tutorial
simca-p偏最小二乘法软件教程....(useful word)
- 2012-01-09 19:18:54下载
- 积分：1
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lid-driven-flow(SIMPLE)
计算流体力学重要算法 simple算法计算顶盖驱动流动。(An example for using SIMPLE algorithm to computing lid driven flow in CFD)
- 2021-03-31 22:29:08下载
- 积分：1
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Complex-valued_matrix_derivatives
关于复数矩阵求导的一本经典书籍“Complex-valued_matrix_derivatives”的电子版(About the electronic version of the complex matrix derivation of a classic book " Complex-valued_matrix_derivatives" )
- 2013-04-08 16:00:31下载
- 积分：1
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error
有限元计算软件Nastran 运算出错时的所有错误列表，从标号1到22107.7。(FEM calculation error list of all software Nastran Error from grade 1 to 22,107.7.)
- 2013-12-03 23:55:42下载
- 积分：1
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rinex
读取RENIX文件（GPS导航电文），进行卫星轨道坐标解算，并将结果生成TXT文件输出。(The program can read standard RENIX file(Satellite navigation message file of GPS). and calculate the cordinate of Satellite (X,Y,Z). it will give an TXT format result.)
- 2021-04-16 21:38:53下载
- 积分：1
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random4
(一) 模拟产生一个正态随机序列X(n)，要求自相关函数满足
画出产生的随机序列波形。
((A) simulation to generate a normal random sequence X (n), required to meet the autocorrelation function of random sequences generated by the waveform plot.)
- 2011-05-07 11:27:33下载
- 积分：1
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fft
用C++编写的一维和二维快速傅里叶变换程序(Prepared with C++ one-dimensional and two-dimensional fast Fourier transform procedure)
- 2013-11-04 16:19:50下载
- 积分：1
