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科研机构
北京大学 [21]
内容类型
期刊论文 [19]
会议论文 [1]
其他 [1]
发表日期
2017 [2]
2016 [3]
2015 [1]
2014 [5]
2013 [1]
2012 [2]
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专题:北京大学
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Atmospheric deposition, CO2, and change in the land carbon sink
期刊论文
SCIENTIFIC REPORTS, 2017
Fernandez-Martinez, M.
;
Vicca, S.
;
Janssens, I. A.
;
Ciais, P.
;
Obersteiner, M.
;
Bartrons, M.
;
Sardans, J.
;
Verger, A.
;
Canadell, J. G.
;
Chevallier, F.
;
Wang, X.
;
Bernhofer, C.
;
Curtis, P. S.
;
Gianelle, D.
;
Gruewald, T.
;
Heinesch, B.
;
Ibrom, A.
;
Knohl, A.
;
Laurila, T.
;
Law, B. E.
;
Limousin, J. M.
;
Longdoz, B.
;
Loustau, D.
;
Mammarella, I.
;
Matteucci, G.
;
Monson, R. K.
;
Montagnani, L.
;
Moors, E. J.
;
Munger, J. W.
;
Papale, D.
;
Piao, S. L.
;
Penuelas, J.
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
WATER-USE EFFICIENCY
ELEVATED CO2
NUTRIENT AVAILABILITY
NITROGEN DEPOSITION
SULFUR DEPOSITION
FOREST ECOSYSTEMS
SOIL RESPIRATION
UNITED-STATES
ACID-RAIN
DECOMPOSITION
Closed loop geometry based optimization by integrating subdivision, reanalysis and metaheuristic searching techniques
期刊论文
COMPUTERS & STRUCTURES, 2017
Huang, Guanxin
;
Wang, Hu
;
Wang, Guoping
;
Li, Guangyao
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Geometry based optimization
Subdivision
Reanalysis
Independent coefficient technique
Metaheuristic algorithms
STRUCTURAL MODAL REANALYSIS
FINITE-ELEMENT-ANALYSIS
TOPOLOGICAL MODIFICATIONS
COMBINED APPROXIMATIONS
STATIC REANALYSIS
ACCURATE REANALYSIS
DYNAMIC REANALYSIS
UNIFIED APPROACH
KIRSCH METHOD
ALGORITHM
Two episodes of structural fractures and their stress field modeling in the Ordos Block, northern China
期刊论文
JOURNAL OF GEODYNAMICS, 2016
Zhao, Wentao
;
Hou, Guiting
;
Hari, K. R.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/04
Ordos Block
Late Mesozoic
Cenozoic
Structural fractures
Stress field modeling
Tectonic transmission
SOUTH CHINA
TIBETAN PLATEAU
TECTONIC IMPLICATIONS
TAN-LU
PALEOMAGNETIC CONSTRAINTS
CONTINENTAL COLLISION
CENOZOIC EXTENSION
YANCHANG FORMATION
CRUSTAL STRUCTURE
KOREAN PENINSULA
Finite element approximations of symmetric tensors on simplicial grids in R-n: The lower order case
其他
2016-01-01
Hu, Jun
;
Zhang, Shangyou
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/04
Mixed finite element
symmetric finite element
first-order system
simplicial grid
inf-sup condition
WEAK STRESS SYMMETRY
LINEAR ELASTICITY
RECTANGULAR GRIDS
PLANE ELASTICITY
MIXED FEM
FAMILY
FORMULATION
舌侧矫治内收上牙列的三维有限元建模及验证
期刊论文
安徽医科大学学报, 2016
刘小东
;
蔡留意
;
张月兰
;
荣起国
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
舌侧矫治
三维有限元
生物力学
lingual orthodontics
three-dimensional finite element analysis
biomechanics
Insights into the Tectonic Fractures in the Yanchang Formation Interbedded Sandstone-Mudstone of the Ordos Basin Based on Core Data and Geomechanical Models
期刊论文
地质学报(英文版), 2015
JU Wei
;
SUN Weifeng
;
HOU Guiting
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
tectonic fractures interbedded sandstone-mudstone formations sandstone-mudstone thickness ratio Yanchang Formation rock rupture value Ordos Basin
tectonic fractures
interbedded sandstone-mudstone formations
sandstone-mudstone thickness ratio
Yanchang Formation
rock rupture value
Ordos Basin
ULTRA-LOW PERMEABILITY
FAULT-BEND FOLDS
LAYER THICKNESS
MECHANICAL STRATIGRAPHY
ASMARI-FORMATION
STRESS-FIELD
THRUST BELT
CHINA
RESERVOIRS
SYSTEMS
紫坪铺水库造成孔隙弹性耦合变化及其对2008年汶川地震触发作用
期刊论文
地球物理学报, 2014
陶玮
;
沈正康
;
张永
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/11
紫坪铺水库
完全孔隙弹性耦合
应力触发
汶川地震
有限元
Zipingpu Reservoir
Full-coupled poroelasticity
Stress triggering
Wenchuan Earthquake
Finite Element Model
三角谱元法及其在地震正演模拟中的应用
期刊论文
地球物理学报, 2014
李琳
;
刘韬
;
胡天跃
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
谱元法
三角网格
频散分析
稳定性分析
Spectral element method
Triangular mesh
Dispersion analysis
Stability condition
Collapse models of aluminum foam sandwiches under static three-point bending based on 3D geometrical reconstruction
期刊论文
computational materials science, 2014
Zhu, Xiaolei
;
Ai, Shigang
;
Lu, Xiaofeng
;
Cheng, Ke
;
Ling, Xiang
;
Zhu, Lingxue
;
Liu, Bin
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/11
Geometrical reconstruction
Aluminum foam sandwiches
Three-point bending
Failure mode
MATLAB image processing
mu CT scanning
SHEET-METAL
CORE
BEAM
PANELS
FAILURE
DESIGN
IMPACT
PLATES
Unified proof to oscillation property of discrete beam
期刊论文
applied mathematics and mechanics english edition, 2014
Zheng, Zi-jun
;
Chen, Pu
;
Wang, Da-jun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/10
oscillation property (OP)
finite element method (FEM)
finite difference method (FDM)
Euler beam
Timoshenko beam
FINITE-ELEMENT MODELS
EULER-BERNOULLI BEAM
QUALITATIVE PROPERTIES
INVERSE PROBLEM
VIBRATING BEAM
SYSTEMS
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