An Analysis of Polynomial Chaos Approximations for Modeling Single-Fluid-Phase Flow in Porous Medium Systems [0.03%]
多项式混沌逼近在表征单相流 porous medium 系统中的应用分析
C P Rupert,C T Miller
C P Rupert
We examine a variety of polynomial-chaos-motivated approximations to a stochastic form of a steady state groundwater flow model. We consider approaches for truncating the infinite dimensional problem and producing decoupled systems. We disc...
Fast intersections on nested tetrahedrons (FINT): An algorithm for adaptive finite element based distributed parameter estimation [0.03%]
Jae Hoon Lee,Amit Joshi,Eva M Sevick-Muraca
Jae Hoon Lee
A variety of biomedical imaging techniques such as optical and fluorescence tomography, electrical impedance tomography, and ultrasound imaging can be cast as inverse problems, wherein image reconstruction involves the estimation of spatial...
Correcting Mesh-Based Force Calculations to Conserve Both Energy and Momentum in Molecular Dynamics Simulations [0.03%]
修正网格基元力计算以在分子动力学模拟中同时保持能量和动量
Robert D Skeel,David J Hardy,James C Phillips
Robert D Skeel
Katherine Bhan,Jerome Spanier
Katherine Bhan
We study methods for accelerating Monte Carlo simulations that retain most of the accuracy of conventional Monte Carlo algorithms. These methods - called Condensed History (CH) methods - have been very successfully used to model the transpo...
"New-version-fast-multipole-method" accelerated electrostatic interactions in biomolecular systems [0.03%]
新版本快速多极方法加速生物分子系统静电相互作用
Benzhuo Lu,Xiaolin Cheng,J Andrew McCammon
Benzhuo Lu
In this paper, we present an efficient and accurate numerical algorithm for calculating the electrostatic interactions in biomolecular systems. In our scheme, a boundary integral equation (BIE) approach is applied to discretize the lineariz...
Extending the Fast Multipole Method for Charges inside a Dielectric Sphere in an Ionic Solvent: High Order Image Approximations for Reaction Fields [0.03%]
扩展介电球内点电荷的快速多极展式：离子溶剂中反应场的高阶镜像逼近方法研究
Shaozhong Deng,Wei Cai
Shaozhong Deng
As a sequel to our previous paper on extending the Fast Multipole Method (FMM) for charges inside a dielectric sphere [J. Comput. Phys. 223 (2007) 846-864], this paper further extends the FMM to the electrostatic calculation for charges ins...
3-D Quantum Transport Solver Based on the Perfectly Matched Layer and Spectral Element Methods for the Simulation of Semiconductor Nanodevices [0.03%]
基于完美匹配吸收层和谱元法的三维量子输运求解器及其在半导体纳米器件中的应用
Candong Cheng,Joon-Ho Lee,Kim Hwa Lim et al.
Candong Cheng et al.
A 3-D quantum transport solver based on the spectral element method (SEM) and perfectly matched layer (PML) is introduced to solve the 3-D Schrödinger equation with a tensor effective mass. In this solver, the influence of the environment ...