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浏览/检索结果: 共14条,第1-10条 帮助

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Multiscale computational method for nonstationary integrated heat transfer problem in periodic porous materials 期刊论文  OAI收割
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS, 2016, 卷号: 32, 期号: 2, 页码: 510-530
作者:  
Yang, Zhiqiang;  Cui, Junzhi;  Wang, Ziqiang;  Zhang, Yang
  |  收藏  |  浏览/下载:20/0  |  提交时间:2018/07/30
Trapezoidal Rule for Computing Supersingular Integral on a Circle 期刊论文  OAI收割
JOURNAL OF SCIENTIFIC COMPUTING, 2016, 卷号: 66, 期号: 2, 页码: 740-760
作者:  
Li, Jin;  Rui, Hongxing;  Yu, Dehao
  |  收藏  |  浏览/下载:27/0  |  提交时间:2018/07/30
Truncation Error Analysis on Reconstruction of Signal From Unsymmetrical Local Average Sampling 期刊论文  OAI收割
ieee transactions on cybernetics, 2015, 卷号: 45, 期号: 10, 页码: 2100-2104
作者:  
Pang, Yanwei;  Song, Zhanjie;  Li, Xuelong;  Pan, Jing
收藏  |  浏览/下载:51/0  |  提交时间:2015/11/02
Extrapolation methods to compute hypersingular integral in boundary element methods 期刊论文  OAI收割
SCIENCE CHINA-MATHEMATICS, 2013, 卷号: 56, 期号: 8, 页码: 1647-1660
作者:  
Li Jin;  Zhang XiaoPing;  Yu DeHao
  |  收藏  |  浏览/下载:28/0  |  提交时间:2021/01/14
Design and test of pointing mirror assembly for spaceborne remote sensing camera (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Electronics, Communications and Control, ICECC 2011, September 9, 2011 - September 11, 2011, Ningbo, China
作者:  
Chen W.
收藏  |  浏览/下载:35/0  |  提交时间:2013/03/25
In order to ensure the surface figure of the pointing mirror (460mm long  290mm wide) in spaceborne remote sensing camera  Silicon Carbide was selected as the mirror material. The form of composite triangular and rectangular and the combination of open and closed back was explored in the lightweight design. A new kinematic mount and flexible structure in axis is used to hold the mirror around the lateral surface. The structure can minimize distortions induced by coefficient of thermal expansion mismatch among the materials. This eliminates the bending of the integral mount under the weight of the mirror. Optical performance of the mirror was analyzed under gravity load and temperature load using finite element method. Predicted surface figure error based on the removal of bias  tilt and power was calculated using an in-house Matlab script for mirrors. The pointing mirror assembly was tested using open loop servo control. And the surface figure was checked using interferometer. Surface figure accuracy is better than 1/30 ( 632.8nm  rms). The results show that the kinematic mount induces minimal figure error on the optical surface. 2011 IEEE.  
Error Bounds for Uniform Asymptotic Expansions-Modified Bessel Function of Purely Imaginary Order 期刊论文  OAI收割
CHINESE ANNALS OF MATHEMATICS SERIES B, 2010, 卷号: 31, 期号: 5, 页码: 759-780
作者:  
Shi, Wei;  Wong, Roderick
收藏  |  浏览/下载:23/0  |  提交时间:2015/06/25
Asymptotic error expansion and Richardson extrapolation of eigenvalue approximations for second order elliptic problems by the mixed finite element method 期刊论文  OAI收割
APPLIED NUMERICAL MATHEMATICS, 2009, 卷号: 59, 期号: 8, 页码: 1884-1893
作者:  
Lin, Qun;  Xie, Hehu
  |  收藏  |  浏览/下载:15/0  |  提交时间:2018/07/30
Generalized Extrapolation for Computation of Hypersingular Integrals in Boundary Element Methods 期刊论文  OAI收割
CMES-COMPUTER MODELING IN ENGINEERING & SCIENCES, 2009, 卷号: 42, 期号: 2, 页码: 151-175
作者:  
Li, Jin;  Wu, Ji-ming;  Yu, De-hao
  |  收藏  |  浏览/下载:21/0  |  提交时间:2018/07/30
Approximation and eigenvalue extrapolation of Stokes eigenvalue problem by nonconforming finite element methods 期刊论文  OAI收割
APPLICATIONS OF MATHEMATICS, 2009, 卷号: 54, 期号: 1, 页码: 1-15
作者:  
Jia, Shanghui;  Xie, Hehu;  Yin, Xiaobo;  Gao, Shaoqin
  |  收藏  |  浏览/下载:14/0  |  提交时间:2018/07/30
Asymptotic expansion and extrapolation for the Eigenvalue approximation of the biharmonic eigenvalue problem by Ciarlet-Raviart scheme 期刊论文  OAI收割
ADVANCES IN COMPUTATIONAL MATHEMATICS, 2007, 卷号: 27, 期号: 1, 页码: 95-106
作者:  
Chen, Wei;  Lin, Qun
  |  收藏  |  浏览/下载:37/0  |  提交时间:2018/07/30