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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Numerical simulation and optimal design of fissure karst type high-temperature thermal storage and development
裂隙岩溶型 高温储热开发 数值模拟 优化设计
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2023/11/6
我国中低温地热直接利用世界第1，包括温泉洗浴、空间供暖等；高温地热资源储量虽然丰富，但其发电仅排世界第18，利用率不高。裂隙岩溶型地热资源作为主要高温地热资源类型，我国隐伏碳酸盐岩面积达250万平方公里以上，初步估算0-3km深度区间的热能量相当于5000-50000亿吨标煤，雄安是典型地区；同时，我国油气伴生缝洞型地热资源丰富，具有埋藏深、温度高的特点。对此，基于离散缝洞网络模型，形成了考虑渗流...
REMOTE SENSING OBSERVATIONS AND NUMERICAL SIMULATION FOR MARTIAN LAYERED EJECTA CRATERS
Martian Surface Impact Crater Remote Sensing Morphological Characteristic Numerical Simulation
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2018/5/14
To understand past Martian climates, it is important to know the distribution and nature of water ice on Mars. Impact craters are widely used ubiquitous indicators for the presence of subsurface water...
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
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2018/6/5
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 ...
Numerical simulation of response of groundwater flow system in inland basin to density changes
Inland basin Groundwater Flow System TOUGHREACT Fluid density
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2018/3/23
The developmental characteristics of groundwater flow system are not only controlled by formation lithology and groundwater recharge conditions, but also influenced by the physical properties of fluid...
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
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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...
Study of the numerical simulation of tight sandstone gas molecular diffusion based on digital core technology
Tight sandstone gas Nano-CT Digital core Molecular diffusion Numerical simulation
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2018/4/2
Diffusion is an important mass transfer mode of tight sandstone gas. Since nano-pores are extensively developed in the interior of tight sandstone, a considerable body of research indicates that the t...
A numerical simulation study of CO 2 injection for enhancing hydrocarbon recovery and sequestration in liquid-rich shales
CO2 EOR Tight formations Experimental design Response surface modeling Recovery of shale liquid CO2 sequestration
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2018/4/2
Less than 10% of oil is usually recovered from liquid-rich shales and this leaves much room for improvement, while water injection into shale formation is virtually impossible because of the extremely...
Formulation of Kinetic Energy Preserving Conservative Schemes for Gas Dynamics and Direct Numerical Simulation of One-Dimensional Viscous Compressible Flow in a Shock Tube Using Entropy and Kinetic Energy Preserving Schemes
Preserving Conservative Schemes Gas Dynamics Direct Numerical Simulation One-Dimensional Viscous Compressible Flow
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2015/7/2
This paper follows up on the author’s recent paper “The Construction of Discretely Conservative Finite Volume Schemes that also Globally Conserve Energy or Enthalpy”.
Moving grid method for numerical simulation of stratified flows
moving grids numerical viscosity background potential energy moving mesh PDE interfacial gravity wave lock-exchange flow
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2015/6/30
We develop a second-order accurate Navier–Stokes solver based on r-adaptivity of the underlying numerical discretization. The motion of the mesh is based on the fluid velocity field; however, certain ...
Formulation of Kinetic Energy Preserving Conservative Schemes for Gas Dynamics and Direct Numerical Simulation of One-dimensional Viscous Compressible Flow in a Shock Tube Using Entropy and Kinetic Energy Preserving Schemes
Energy Preserving Conservative Kinetic Energy Preserving
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2015/6/23
This paper follows up on the author’s recent paper “The Construction of Discretely
Conservative Finite Volume Schemes that also Globally Conserve Energy or Enthalpy”.
In the case of the gas dynamics...
NUMERICAL SIMULATION ON EVALUATING CALIBRATION RESULTS OF NON-METRIC DIGITAL CAMERA
Digital Calibration Orientation Simulation
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2015/5/18
A non-metric digital camera is required to be geometrically calibrated when it is used for photogrammetric applications. Many
camera calibration methods for a non-metric digital camera have been pro...
A Study on Small Scale Intermittncy Using Direct Numerical Simulation of Turbulence
A Study on Small Scale Intermittency Direct Numerical Simulation Turbulence
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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...
Exploring Fundamental Turbulent Physics Using Direct Numerical Simulation
Fundamental Turbulent Physics Direct Numerical Simulation
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2014/10/23
It has been shown in many studies that turbulent flows are highly dependent on their initial conditions. This thesis explores turbulent flow using direct numerical simulation (DNS) in a variety of sit...
Numerical simulation of viscous flows with adaptively refined Cartesian grid
adaptively refined Cartesian grid viscous flow CCST(curvature corrected symmetry technique) boundary condition
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2014/5/15
Quadtree-based Cartesian grid was automatically generated from specified geometry.Adaptive refinements were performed according to geometric parameters and solution of flow field.An altered CCST (curv...
Numerical simulation of airfoil flows with a turbulence model
turbulence airfoil incompressible separation openFOAM
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2014/5/15
Turbulent flows over AS240 and NACA4412 airfoil were simulated numerically using a two-equation turbulence model named k-ξ model. The predictions of velocity profiles and the pressure coefficient of a...