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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Large scale device simulations
大规模 设备 仿真
2023/5/5
As the device size shrinks to nanosize scale, the quantum mechanical effect and atomic level fluctuations become important. The traditional TCAD based on continuous medium model will no longer work. T...
Coronavirus simulations completed on supercomputer（图）
Coronavirus simulations supercomputer
2020/4/3
Scientists are preparing a massive computer model of the coronavirus they expect will provide new insights into how the virus infects the body.National Science Foundation-funded biochemist Rommie Amar...
A SWEEP-PLANE ALGORITHM FOR THE SIMPLIFICATION OF 3D BUILDING MODELS IN THE APPLICATION SCENARIO OF WIND SIMULATIONS
3D City models Automated Processing BRep
2018/11/9
As the number of virtual 3D city models is steadily increasing, so are the possible applications that take advantage of them. 3D models can be used for applications that range from simple graphic visu...
EVALUATION OF GMSH MESHING ALGORITHMS IN PREPARATION OF HIGH-RESOLUTION WIND SPEED SIMULATIONS IN URBAN AREAS
CFD meshing 3D computational fluid dynamics spatial data evaluation wind speed
2018/6/4
This paper aims to evaluate the applicability of automatically generated meshes produced within the gmsh meshing framework in preparation for high resolution wind speed and atmospheric pressure simula...
三亚国际数学论坛：Modeling,Analysis,Simulations and Applications of Inter-Facial Dynamics and FSI Problems
三亚国际数学论坛 Modeling Analysis Simulations Applications Inter-Facial Dynamics and FSI Problems
2017/11/24
The focus of the workshop will be on mathematical modeling and analysis of interface dynamics problems, and fluid interaction problems, the theory and analysis of the related partial differential equa...
GIS-Based Toxic-Gas-Vessel Leakage, Dispersion and Simulations
Decision Support Systems Modeling Simulation Toxic-Gas Dispersion
2015/12/17
People have been becoming serious of more and more accidents of toxic-gas-vessel leakage and dispersion (TLD) recently. This paper describes a TLD model derived from Gaussian instantaneous leakage mod...
More than 33,000 Americans die in motor vehicle crashes annually, according to the Centers for Disease Control and Prevention. Modern restraint systems save lives, but some deaths and injuries remain-...
MODELLING DEM DATA UNCERTAINTIES FOR MONTE CARLO SIMULATIONS OF ICE SHEET MODELS
GIS DEM/DTM Error Correlation Impact Analysis Modelling Reference Data Glaciology
2015/9/28
For realistic modelling of digital elevation model (DEM) uncertainty, information on the amount and spatial configuration is needed.However, common DEM products are often distributed with global error...
3D VISUALISATIONS IN SIMULATIONS OF FUTURE LAND USE: EXPLORING THE POSSIBILITIES OF NEW, STANDARD VISUALISATION TOOLS
three-dimensional visualisations visualisation techniques Google Earth
2015/9/28
Three-dimensional visualisations are an interesting method for representing model outcomes. But most visualisation techniques
require expensive software, and a lot of time to create them. When a lar...
Convergence Acceleration of High Order Numerical Simulations using a Hybrid Spectral Di
Numerical Algorithms Computational Fluid Dynamics Spectral Di
2015/7/3
The goal of this paper is to show how numerical simulations of uid ow using high order methods for unstructured meshes can be sped up using a hybrid multigrid method. In our work we accelerate the ste...
A Computational Framework for Low Reynolds Number 3D Flapping Wings Simulations
Computational Framework Low Reynolds Number 3D Flapping Wings Simulations
2015/7/3
This paper describes the work done in the development of a fast and accurate numerical solver for flows around flapping wings at low Reynolds numbers. In the first part, the fi...
Automated Off-Body Cartesian Mesh Adaption for Rotorcraft Simulations
Automated Off -Body Cartesian Mesh Adaption Rotorcraft Simulations
2015/7/3
A new adaptive mesh refinement strategy is presented that couples feature-detection with local error-estimation. The goal is to guide refinement to key vortical features using feature dete...
High-order accurate simulations of unsteady flow past plunging and pitching airfoils
Spectral difference method Plunging Pitching
2015/7/3
This paper presents simulations of unsteady flow past plunging and pitching airfoils using a high-order spectral difference (SD) method. Both third-order and fourth-order SD methods are employed...
Direct Numerical Simulations of a Two-dimensional Viscous Flow in a Shocktube using a Kinetic Energy Preserving Scheme
Direct Numerical Simulations Two-dimensional Viscous Flow Shocktube Kinetic Energy Preserving Scheme
2015/7/3
This paper presents the results of °ow computations done using Jameson's ˉnite volume kinetic energy preserving scheme. Direct numerical simulations were performed in a two dimensional viscous shocktu...
Edge-based Meshless Methods for Compressible Flow Simulations
Edge-based Meshless Methods Compressible Flow Simulations
2015/7/2
This work concerns the development of a highly accurate and ecient meshless ow solver for inviscid ow in two dimensions. Novel aspects of this work include the application of mesh-based reconstructio...