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长春光学精密机械与物... [3]
武汉岩土力学研究所 [1]
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OAI收割 [4]
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会议论文 [2]
期刊论文 [2]
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2023 [1]
2018 [1]
2011 [1]
2010 [1]
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An improved semi-implicit material point method for simulating large deformation problems in saturated geomaterials
期刊论文
OAI收割
COMPUTERS AND GEOTECHNICS, 2023, 卷号: 161, 页码: 17
作者:
Yuan, Wei-Hai
;
Zheng, Houguo
;
Zheng, Xiangcou
;
Wang, Bin
;
Zhang, Wei
  |  
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2025/06/27
Coupled problems
Fractional step method
Large deformation
Material point method
Porous media
Stabilized technique
Multi-exposure fusion based on illumination estimation for aerial cameras
期刊论文
OAI收割
Harbin Gongye Daxue Xuebao/Journal of Harbin Institute of Technology, 2018, 卷号: 50, 期号: 3, 页码: 90-96
作者:
Shen, Xiaohe
;
Liu, Jinghong
;
Wang, Xuan
  |  
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2019/09/17
Antennas
Cameras
Charge coupled devices
Inverse problems
Partial discharges
Wavelet transforms
A strong coupled CFD-CSD method on computational aeroelastity (EI CONFERENCE)
会议论文
OAI收割
2011 2nd International Conference on Mechanic Automation and Control Engineering, MACE 2011, July 15, 2011 - July 17, 2011, Inner Mongolia, China
Xi R.
;
Jia H.
收藏
  |  
浏览/下载:74/0
  |  
提交时间:2013/03/25
In this paper
a strong coupled CFD-CSD method is developed to simulate the aeroelastic phenomena. The CFD solver is based on the finite-volume algorithm for the Navier-Stokes equations on unstructured grid. The CSD solver solves the aeroelastic governing equations in the modal space. Their coupling is realized by a dual-time method. The spring-based smoothing method is adopted to deform and regenerate the aerodynamic grid. Two test cases are selected to validate the authors' method for static and dynamic aeroelastity .The results of the simulation for the static aeroelastic problems of a missile wing show that the Lift Coefficient and Drag Coefficient are severally 7% and 5% lower than those don't consider the elasticity of the wing. The results for the flutter boundary prediction of the AGARD 445.6 wing have been proved much closer to the experiment than using the DLM. This method can describe the effects of fluid viscosity more exactly for highly nonlinear transonic flight conditions. The calculation has proved reliable in the subsonic regime
but not accurate enough in the supersonic regime. 2011 IEEE.
Electromagnetic radiation test of power driver module in optical tracking system and electromagnetic compatibility (EI CONFERENCE)
会议论文
OAI收割
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
作者:
Yu H.
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浏览/下载:36/0
  |  
提交时间:2013/03/25
In order to solve the conductive ring module's interference problems
measured the electromagnetic radiation of Power drive module
and used test results analysis the electromagnetic compatibility of the conductive ring
identified and implemented appropriate EMC (electromagnetic compatibility) measures. When optical tracking system working
test equipment can not be fixed. Therefore
from the electromagnetic radiation theory
the paper analyzed the electromagnetic radiation of the power drive module. From it
determine the EMC pre-compliance test method for electromagnetic radiation of power drive module. Based on Test results
calculate the interference voltage of wire in Conductive ring
and then determine the corresponding EMC method. The results show that
when The power drive module Radiate Electromagnetic waves
wires would coupled common mode interference voltage
its frequency is 3MHz
amplitude is about 10V
it would interfered the operation of sensor. By reducing the area of ground loops
used shielded cables
final rule out the interference. 2010 IEEE.