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The visualization of rub-impact characteristics of drill string on casing
期刊论文
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2019, 卷号: 174, 页码: 1321-1331
作者:
Chen, Laoyin[1]
;
Di, Qinfeng[2]
;
Lou, Erbiao[3]
;
Zhou, Bo[4]
;
Zhang, He[5]
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2019/04/22
Rub-impact characteristics
3D visualization method
Casing wear
Drill string
Finite element model
LMI-based boundary and distributed control design for a flexible string subject to disturbance
期刊论文
INTERNATIONAL JOURNAL OF CONTROL, 2019, 卷号: 92, 页码: 1959-1969
作者:
Xing, Xueyan
;
Liu, Jinkun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2019/12/30
Flexible string
PDE model
Lyapunov's direct method
disturbance observer
boundary and distributed control
LMI
Adaptive neural network control of an arm-string system with actuator fault based on a PDE model
期刊论文
JOURNAL OF VIBRATION AND CONTROL, 2019, 卷号: 25, 页码: 172-181
作者:
Cao, Fangfei
;
Liu, Jinkun
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  |  
浏览/下载:2/0
  |  
提交时间:2019/12/30
Arm-string system
boundary deflection constraint
fault-tolerant control
neural network
PDE model
vibration suppression
Impedance-based analysis of grid harmonic interactions between aggregated flyback micro-inverters and the grid
期刊论文
IET POWER ELECTRONICS, 2018, 卷号: 11, 页码: 453-459
作者:
Wang, Fei[1]
;
Feng, Xiayun[2]
;
Zhang, Lijun[3]
;
Du, Yan[4]
;
Su, Jianhui[5]
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2019/04/24
invertors
power grids
electric current control
nonlinear control systems
power system stability
power system harmonics
matrix algebra
impedance-based analysis
grid harmonic interactions
aggregated flyback microinverters
impedance-based model
Norton model
quasiresonant peak-current control
small-signal modelling approach
output impedance modelling
string inverters
linear controllers
nonlinear control
derived impedance model
admittance matrix
system stability
output a
Casing Wear Prediction Model Based on Drill String Whirling Motion in Extended-Reach Drilling
期刊论文
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING, 2018, 卷号: 43, 页码: 6325-6332
-
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  |  
浏览/下载:6/0
  |  
提交时间:2020/01/03
Casing wear
Whirling motion
Drill string
Prediction model
Composite wear
Finding non-classical critical nuclei and minimum energy path of Cu precipitates in Fe-Cu alloys
期刊论文
MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING, 2017
Li, Boyan
;
Zhang, Lei
;
Li, Chengliang
;
Li, Qiulin
;
Chen, Jun
;
Shu, Guogang
;
Weng, Yuqing
;
Xu, Ben
;
Liu, Wei
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  |  
浏览/下载:64/0
  |  
提交时间:2017/12/03
Fe-Cu alloys
non-classical clustering
minimum energy path
phase field model
constrained string method
NI QUATERNARY ALLOY
NUCLEATION THEORY
MODEL ALLOYS
RPV STEELS
ATOM-PROBE
IRRADIATION
SIMULATION
TRANSFORMATIONS
EMBRITTLEMENT
MORPHOLOGIES
A nonlinear dynamic model for characterizing downhole motions of drill-string in a deviated well
期刊论文
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, 2017, 卷号: 38, 页码: 466-474
作者:
Liu, Yongsheng
;
Gao, Deli
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2020/01/03
Deviated well
Drill-string mechanics
Nonlinear dynamic model
Stick-slip
Tumble
火灾下复杂拉力场钢板剪力墙屈曲后的上限塑性极限分析
期刊论文
2016, 2016
张荣钢
;
张宏涛
;
石永久
;
庄茁
;
ZHANG Rong-gang
;
ZHANG Hong-tao
;
SHI Yong-jiu
;
ZHUANG Zhuo
收藏
  |  
浏览/下载:131/0
Supernatural supersymmetry and its classic example: M-theory inspired NMSSM
期刊论文
PHYSICAL REVIEW D, 2016, 卷号: 93, 期号: 11, 页码: 115014
作者:
Li, TJ
;
Raza, S
;
Wang, XC
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2019/04/08
NO-SCALE SUPERGRAVITY
STRONG CP-PROBLEM
X U(1)(X) MODELS
STANDARD MODEL
GAUGE SINGLET
STRING THEORY
HIGGS SECTOR
SOFT TERMS
WEAK
CONSTRAINTS
Chiral and deconfining phase transitions from holographic QCD study
期刊论文
NUCLEAR PHYSICS B, 2016, 卷号: 907, 页码: 187-207
作者:
Fang, Z
;
He, S
;
Li, DN
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2019/04/08
EQUATION-OF-STATE
FINITE-TEMPERATURE
SYMMETRY BREAKING
DYNAMICAL MODEL
FIELD-THEORIES
STRING THEORY
GLUON PLASMA
CONFINEMENT
GRAVITY
SUPERCONDUCTIVITY
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