搜索结果: 1-15 共查到“numerical simulation”相关记录23条 . 查询时间(0.211 秒)
NUMERICAL SIMULATION AND EXPERIMENTAL VALIDATION OF WAVE PATTERN INDUCED COORDINATE ERRORS IN AIRBORNE LIDAR BATHYMETRY
Airborne LiDAR bathymetry multimedia photogrammetry refraction wave pattern accuracy analysis
2018/3/30
Airborne LiDAR bathymetry (ALB) requires a refraction correction on the basis of Snell’s law at the air-water interface and a speedof- light correction to be applied on the raw laser data in order to ...
2017国际光电子器件数值模拟会议(2017 International Conference on Numerical Simulation of Optoelectronic Devices )
2017 国际光电子器件数值模拟 会议
2017/6/23
The NUSOD conference connects theory and practice in optoelectronics. Papers are solicited on the modeling, simulation, and analysis of optoelectronic devices including materials, fabrication, and app...
A Study on Small Scale Intermittncy Using Direct Numerical Simulation of Turbulence
A Study on Small Scale Intermittency Direct Numerical Simulation Turbulence
2014/10/24
Theory of turbulence at small scales plays a fundamental role in mo deling turbulence and in retrieving information from physical measurements of turbulent flows. A systematic metho dology based on di...
Numerical simulation of axial liquid film cooling in rocket combustor
liquid film cooling heat flux numerical simulation turbulent flow
2012/5/19
Numerical simulation has been done for liquid film cooling in liquid rocket combustor.Multiple species of axial Navier-Stokes equations have been solved for liquid-film/hot-gas flow field,and k-ε equa...
Experiment and Numerical Simulation of Free Water Jet by a Centralbody
centralbody nozzle free water jet phase Doppler particle anemometry(PDPA)
2010/11/25
The recent research about cavitation jet mainly focuses on the organpipe nozzle and triangular nozzle.
Lateral dynamic flight stability of hovering insects: theory vs. numerical simulation
Insect Hovering Lateral dynamic flight stability Averaged model Equations-of-motion Navier--Stokes simulation
2010/11/2
In the present paper, the lateral dynamic flight stability properties of two hovering model insects are predicted by an approximate theory based on the averaged model, and computed by numerical simula...
Numerical Simulation of Macroscopic Mixing in a Rushton Impeller Stirred Tank
macroscopic mixing stirred tank residence time distribution
2009/11/13
The macroscopic mixing in a stirred tank with different tracer injection locations, impeller speeds and impeller positions is simulated numerically by solving the transport equation of the tracer base...
Numerical simulation of fatigue degradation process of polymer materials using diagnostic acoustic characteristics
Numerical techniques Acoustic characteristic Polymer materials
2009/10/30
Purpose: The objective of the work was to construct the finite elements model for simulation of acoustic wave propagation process in polymer material in the aspect of diagnostic of fatigue changes.
D...
NUMERICAL SIMULATION OF POROUS BURNERS AND HOLE PLATE SURFACE BURNERS
gas combustion numerical simulation porous medium burners
2009/10/13
In comparison to the free flame burners the porous medium burners, especially those with flame stabilization within the porous material, are characterized by a reduction of the combustion zone tempera...
Numerical Simulation of a Confined Methane/Air Laminar Diffusion Flame by the Method of Lines
Method of lines (MOL) Unsteady combustion Conned laminar diffusion flame Flame-sheet model
2009/10/12
A parallel computational fluid dynamics code based on the method of lines approach was developed for the simulation of transient laminar two-dimensional reacting flows. The chemistry was modeled by fl...
Numerical Simulation of High Specific Impulse Ion Thruster Grid System
Propulsion Simulation Ion Thruster
2009/8/19
A high specific impulse ion thruster (HiIsp-IT) operated at a voltage of over 10 kV has been studied and the problems of direct ion impingement on the accelerating grid and of production and impingeme...
柴油机缸内工作过程的数值模拟(Numerical Simulation of Working Process in the Cylinder of Diesel Engine)
柴油机 工作过程 多维
2009/5/22
利用CFD软件AVL_Fire对YD490ZL型柴油机进气、压缩、燃烧过程进行了多维瞬态数值模拟。通过对柴油机工作过程中不同时刻气体流动、壁面传热、燃油喷雾雾化、颗粒形成等因素的分析,结果认为适当调整燃烧室中心相对气缸中心在X方向的距离,可以使燃烧更加充分、提高柴油机的燃油经济性;燃烧室换热系数不仅随空间位置变化,而且还随时间变化而各不相同,通过这种多维瞬态计算能够提供不同时刻、不同位置的换热系数...
Numerical Simulation of Fatigue Crack Initiation and Propagation for In-plane Gusset Welded Joints
Numerical Simulation Fatigue Crack Initiation In-plane Gusset Welded Joints RPG
2009/4/30
In this paper, it is confirmed that fatigue life estimation by FLARP gives accurate results by comparing the estimated fatigue crack growth curves with the experimental results for in-plane gusset wel...
A study on the numerical simulation of the seashell-digging human action in a seaside park by Multi-Agent Model- Model for UMINOKOUEN -
numerical simulation Multi-Agent Model- Model UMINOKOUEN
2009/4/29
When we use ocean space for human activities, we should consider sustainability and allowable human impacts.After the 1960's, we have lost 90 percent or more of the tideland of Tokyo-bay by the reclam...
Influence of Weld Heat Input and Texture of Base Metal on Brittle Crack Propagation Behavior along Welded Joint-Numerical Simulation of Brittle Crack Propagation along Welded Joint (2nd Report)
Brittle Crack Propagation Behavior Brittle Crack Propagation Welded Joint
2009/4/14
In the previous paper, influence of applied stress, residual stress and toughness of welded joint on brittle crack propagation was analyzed based on a fracture mechanics model developed by the authors...