Collaborative Research: A Comparison of Local and Nonlocal Transport Theories
合作研究:本地和非本地运输理论的比较
基本信息
- 批准号:0748953
- 负责人:
- 金额:$ 5.09万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2007
- 资助国家:美国
- 起止时间:2007-09-01 至 2009-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This project will evaluate several emerging theoretical treatments of the dispersion of a conservative solute, with respect to their data needs and ability to represent dispersion. We will apply classical local, and non-local, methods at perhaps the best-studied and most representative heterogeneous site in North America - the MADE site in Columbus, Mississippi. We will evaluate the traditional advection-dispersion equation (ADE), which is thought to require tens of millions of nodes with local velocity values, and several non-local methods, including the time-non-local multiple-rate mass transfer (MRMT) and continuous time random walk (CTRW) methods, and/or the space-fractional advection-dispersion equation (fADE). Each of the non-local methods show great promise in reducing the amount of information needed to make accurate predictions of anomalously rapid and/or recalcitrant pollution migration. However, given the same site, we must ask the questions: How much data, of what types, are needed to obtain a given level of accuracy for each method? Are some methods capturing the resulting behavior of the process and, thus are inherently superior? Can simple guidelines for model use and data collection be generated? The proposed work would give the first systematic evaluation of the accuracy and data needs of the most recent and widely used theories of conservative solute transport. The final product would be a unifying model that includes the salient features of current time- and space-non-local governing equations, and places information about the geologic complexity in either the local velocities or in non-local terms in the governing equation. Furthermore, we will provide a guide to the tradeoff of information from the local scale (and discretization thereof) to the non-local terms. We will apply the analysis to synthetic aquifers of many types, in addition to the extensively studied MADE site.
这个项目将评估几个新兴的理论治疗的保守溶质的分散,相对于他们的数据需求和能力,以代表分散。我们将应用经典的本地和非本地的方法,也许是最好的研究和最具代表性的异构网站在北美-在哥伦布,密西西比的MADE网站。 我们将评估传统的对流-弥散方程(ADE),这被认为需要数千万个具有局部速度值的节点,以及几种非局部方法,包括时间-非局部多速率传质(MRMT)和连续时间随机游走(CTRW)方法,和/或空间分数对流-弥散方程(fADE)。 每种非本地方法都在减少对异常快速和/或顽固的污染迁移进行准确预测所需的信息量方面表现出巨大的希望。 然而,给定相同的站点,我们必须问这样的问题:需要多少数据,什么类型的数据,以获得每种方法的给定精度水平?是否有些方法捕获了流程的结果行为,因此具有内在的上级性?是否可以为模型使用和数据收集制定简单的指导方针? 拟议中的工作将首次系统地评估最近和广泛使用的保守溶质运移理论的准确性和数据需求。 最后的产品将是一个统一的模型,其中包括当前的时间和空间的非局部控制方程的显着特点,并将有关地质复杂性的信息,无论是在当地的速度或在非本地条款的控制方程。 此外,我们将提供一个指南,从局部尺度(及其离散化)到非局部项的信息权衡。 除了广泛研究的MADE站点之外,我们还将对许多类型的合成含水层进行分析。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Yong Zhang其他文献
Cloning of 3′ end cDNA of ascorbate peroxidase gene from Fragaria × ananassa cv. Toyonaka.
草莓抗坏血酸过氧化物酶基因 3 端 cDNA 的克隆。
- DOI:
10.5539/jas.v2n2p58 - 发表时间:
2010 - 期刊:
- 影响因子:0
- 作者:
Y. Hou;Haoru Tang;Yong Zhang;Qing Chen - 通讯作者:
Qing Chen
Lattice Boltzmann modeling of two-phase electrohydrodynamic flows under unipolar charge injection
单极电荷注入下两相电流体动力流的格子玻尔兹曼建模
- DOI:
10.1103/physreve.105.065304 - 发表时间:
2022 - 期刊:
- 影响因子:2.4
- 作者:
Kang Luo;Yu Zhang;Jian Wu;Yong Zhang;He-Ping Tan - 通讯作者:
He-Ping Tan
Selectively cross-linked poly (lactide)/ethylene-glycidyl methacrylate-vinyl acetate thermoplastic elastomers with partial dual-continuous network-like structures and shape memory performances
具有部分双连续网络结构和形状记忆性能的选择性交联聚丙交酯/乙烯-甲基丙烯酸缩水甘油酯-醋酸乙烯酯热塑性弹性体
- DOI:
10.1016/j.eurpolymj.2016.09.004 - 发表时间:
2016-11 - 期刊:
- 影响因子:6
- 作者:
Shiqiang Song;Yong Zhang;Weifu Dong;Mingqing Chen - 通讯作者:
Mingqing Chen
A Novel Trypsin-like Serine Proteinase from the Venom of the Chinese Scorpion Buthus martensii Karsch
来自中国蝎毒的新型胰蛋白酶样丝氨酸蛋白酶
- DOI:
- 发表时间:
2008 - 期刊:
- 影响因子:0
- 作者:
R. Gao;Yong Zhang;P. Gopalakrishnakone - 通讯作者:
P. Gopalakrishnakone
Comparison of three turbulence models for simulation of melt flow and heat transfer in the LEC crystal growth of GaAs
GaAs LEC 晶体生长中熔体流动和传热模拟的三种湍流模型的比较
- DOI:
- 发表时间:
2014 - 期刊:
- 影响因子:0
- 作者:
Shuxian Chen;Gang Xu;Xiangchuan Guo;Yong Zhang - 通讯作者:
Yong Zhang
Yong Zhang的其他文献
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{{ truncateString('Yong Zhang', 18)}}的其他基金
CAS:Mechanistic Investigation of Heme-based Catalysts for Sustainable Carbene Transfer Reactions
CAS:可持续卡宾转移反应的血红素基催化剂的机理研究
- 批准号:
2054897 - 财政年份:2021
- 资助金额:
$ 5.09万 - 项目类别:
Standard Grant
CMG Collaborative Research: Tempered Stable Models for Preasymptotic Pollutant Transport in Natural Media
CMG 合作研究:自然介质中渐进前污染物传输的稳定模型
- 批准号:
1460319 - 财政年份:2014
- 资助金额:
$ 5.09万 - 项目类别:
Standard Grant
SusChEM: Selective C-H Functionalization by Highly Tunable Metalloporphyrin Carbenoid: A Mechanistic Investigation
SusChEM:高度可调金属卟啉类胡萝卜素选择性 C-H 官能化:机理研究
- 批准号:
1300912 - 财政年份:2013
- 资助金额:
$ 5.09万 - 项目类别:
Continuing Grant
CMG Collaborative Research: Tempered Stable Models for Preasymptotic Pollutant Transport in Natural Media
CMG 合作研究:自然介质中渐进前污染物传输的稳定模型
- 批准号:
1025417 - 财政年份:2010
- 资助金额:
$ 5.09万 - 项目类别:
Standard Grant
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