Multi-scale Models of the Benthic Boundary Layer
底栖边界层的多尺度模型
基本信息
- 批准号:RGPIN-2015-05882
- 负责人:
- 金额:$ 3.64万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2016
- 资助国家:加拿大
- 起止时间:2016-01-01 至 2017-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
My research program aims to create easy to use, open source software based on cutting edge high-order numerical methods for the simulation of flow phenomena in natural waters with a focus on lakes and the coastal ocean. I, along with my HQP, use this software in high performance computing (HPC) environments (e.g. Compute Canada) to study coherent flow structures such as nonlinear waves and hydrodynamic instabilities, which often exhibit behaviour on very different length scales (tens of meters for the internal wave body, and sub centimetre scales for the hydrodynamic instabilities in the boundary layer in the wave footprint). In the detailed proposal my planned research program is divided into three Thematic Areas:
Thematic Area 1: "Boundary layer separation at the field scale", seeks to augment software tools for process studies of the bottom boundary layer so that they may seamlessly address research questions at the laboratory and the field scale. The scientific focus is on identifying the mechanisms by which material such as sediment or dissolved oxygen concentration is transported across the bottom boundary layer.
Thematic Area 2: "Layered models and event based parametrizations", seeks to develop basin scale models for moderate sized lakes. The three fundamental technical issues to address are how to properly represent the layers that intersect the bottom topography, how to effectively model the lake bottom (for example mud), and how to efficiently parametrize mixing events in high order models.
Thematic Area 3: "Lagrangian particle models with biological applications" seeks to develop modules for the software from Thematic Area 1 that faithfully represent the behaviour of swimming individuals (such as zooplankton). The scientific focus is on cataloging and understanding the ways in which internal wave processes (shoaling, wave breaking) influence how swimming organisms aggregate in the natural environment.
All three Thematic Areas build on significant progress made during the past funding cycle, and benefit from established collaborations with experimentalists and field scientists. Unique facilities and practices developed for HQP training include theoretical coursework, computational facilities and software, and experimental facilities.
The nearshore environment, while geographically a small percentage of the world's oceans both by volume and area, is an ecological giant, with high productivity for sea life in general and for the subset of species that are harvested in various fisheries (e.g. crab, oysters, lobster). The proposed research program will provide novel tools for performing process studies of the hydrodynamics of the nearshore zone, with a focus on multiple lines of converging evidence, namely multiple model types. These tools will be used to answer fundamental questions of how material is transported across the bottom boundary layer at the field scale.
我的研究项目旨在创建易于使用的开源软件,该软件基于最先进的高阶数值方法,用于模拟自然沃茨中的流动现象,重点是湖泊和沿海海洋。我和我的HQP沿着在高性能计算(HPC)环境(例如加拿大计算)中使用该软件来研究相干流结构,例如非线性波和流体动力学不稳定性,这些结构通常在非常不同的长度尺度上表现出行为(内部波体为数十米,波浪足迹中边界层中的流体动力学不稳定性为亚厘米尺度)。在详细的建议书中,我计划的研究计划分为三个主题领域:
主题领域1:“实地规模的边界层分离”,旨在增强用于底边界层过程研究的软件工具,以便能够在实验室和实地规模无缝地解决研究问题,科学重点是查明沉积物或溶解氧浓度等物质穿越底边界层的机制。
主题领域2:“分层模型和基于事件的参数化”,旨在为中等规模的湖泊开发流域尺度模型。要解决的三个基本技术问题是如何正确地表示与底部地形相交的层,如何有效地模拟湖底(例如泥),以及如何有效地在高阶模型中参数化混合事件。
专题领域3:“具有生物应用的拉格朗日粒子模型”旨在为专题领域1的软件开发模块,忠实地反映游泳个体(如浮游动物)的行为,科学重点是编目和了解内波过程(浅滩化、波浪破碎)如何影响游泳生物在自然环境中的聚集。
所有三个主题领域都建立在上一个资助周期取得的重大进展之上,并受益于与实验学家和实地科学家的合作。为HQP培训开发的独特设施和实践包括理论课程,计算设施和软件,以及实验设施。
近岸环境虽然在地理上占世界海洋的体积和面积的百分比很小,但却是一个巨大的生态系统,对一般海洋生物和各种渔业捕捞的物种子集(如螃蟹、牡蛎、龙虾)具有很高的生产力。拟议的研究计划将提供新的工具,进行近岸区的水动力学过程研究,重点是多线的收敛证据,即多种模型类型。这些工具将被用来回答基本问题的材料是如何在现场规模的底部边界层传输。
项目成果
期刊论文数量(0)
专著数量(0)
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会议论文数量(0)
专利数量(0)
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Stastna, Marek其他文献
Hurricanes Ingrid and Manuel (2013) and their impact on the salinity of the Meteoric Water Mass, Quintana Roo, Mexico
- DOI:
10.1016/j.jhydrol.2017.04.022 - 发表时间:
2017-08-01 - 期刊:
- 影响因子:6.4
- 作者:
Coutino, Aaron;Stastna, Marek;Reinhardt, Eduard - 通讯作者:
Reinhardt, Eduard
Spatial optimization for radiation therapy of brain tumours
脑肿瘤放射治疗的空间优化
- DOI:
10.1371/journal.pone.0217354 - 发表时间:
2019 - 期刊:
- 影响因子:3.7
- 作者:
Meaney, Cameron;Stastna, Marek;Kardar, Mehran;Kohandel, Mohammad;Komarova, Natalia L. - 通讯作者:
Komarova, Natalia L.
On the formulation and implementation of the stress-free boundary condition over deformed bathymetry using a spectral-element-method-based incompressible Navier–Stokes equations solver
使用基于谱元方法的不可压缩纳维斯托克斯方程求解器来制定和实现变形测深的无应力边界条件
- DOI:
10.1016/j.ocemod.2021.101834 - 发表时间:
2021 - 期刊:
- 影响因子:3.2
- 作者:
Diamantopoulos, Theodoros;Diamessis, Peter J.;Stastna, Marek - 通讯作者:
Stastna, Marek
Numerical simulation of supercritical trapped internal waves over topography
- DOI:
10.1063/1.3521532 - 发表时间:
2010-11-01 - 期刊:
- 影响因子:4.6
- 作者:
Soontiens, Nancy;Subich, Christopher;Stastna, Marek - 通讯作者:
Stastna, Marek
Water-level change recorded in Lake Pac Chen Quintana Roo, Mexico infers connection with the aquifer and response to Holocene sea-level rise and Classic Maya droughts
墨西哥金塔纳罗奥州帕克陈湖记录的水位变化推断与含水层的联系以及对全新世海平面上升和经典玛雅干旱的反应
- DOI:
10.1007/s10933-019-00094-0 - 发表时间:
2019 - 期刊:
- 影响因子:2.1
- 作者:
Krywy-Janzen, Anya;Reinhardt, Eduard;McNeill-Jewer, Chelsi;Coutino, Aaron;Waltham, Brenda;Stastna, Marek;Rissolo, Dominique;Meacham, Sam;van Hengstum, Peter - 通讯作者:
van Hengstum, Peter
Stastna, Marek的其他文献
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{{ truncateString('Stastna, Marek', 18)}}的其他基金
Simulating the footprints of mixing in stratified fluids
模拟分层流体中混合的足迹
- 批准号:
RGPIN-2020-03965 - 财政年份:2022
- 资助金额:
$ 3.64万 - 项目类别:
Discovery Grants Program - Individual
Simulating the footprints of mixing in stratified fluids
模拟分层流体中混合的足迹
- 批准号:
RGPIN-2020-03965 - 财政年份:2021
- 资助金额:
$ 3.64万 - 项目类别:
Discovery Grants Program - Individual
Simulating the footprints of mixing in stratified fluids
模拟分层流体中混合的足迹
- 批准号:
RGPIN-2020-03965 - 财政年份:2020
- 资助金额:
$ 3.64万 - 项目类别:
Discovery Grants Program - Individual
Multi-scale Models of the Benthic Boundary Layer
底栖边界层的多尺度模型
- 批准号:
RGPIN-2015-05882 - 财政年份:2019
- 资助金额:
$ 3.64万 - 项目类别:
Discovery Grants Program - Individual
Multi-scale Models of the Benthic Boundary Layer
底栖边界层的多尺度模型
- 批准号:
RGPIN-2015-05882 - 财政年份:2018
- 资助金额:
$ 3.64万 - 项目类别:
Discovery Grants Program - Individual
Multi-scale Models of the Benthic Boundary Layer
底栖边界层的多尺度模型
- 批准号:
RGPIN-2015-05882 - 财政年份:2017
- 资助金额:
$ 3.64万 - 项目类别:
Discovery Grants Program - Individual
Multi-scale Models of the Benthic Boundary Layer
底栖边界层的多尺度模型
- 批准号:
RGPIN-2015-05882 - 财政年份:2015
- 资助金额:
$ 3.64万 - 项目类别:
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Multiscale computational hydrodynamics with application to lake and coastal ocean hydrodynamics
多尺度计算流体动力学及其在湖泊和沿海海洋流体动力学中的应用
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311844-2010 - 财政年份:2014
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多尺度计算流体动力学及其在湖泊和沿海海洋流体动力学中的应用
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311844-2010 - 财政年份:2013
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$ 3.64万 - 项目类别:
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- 批准号:
311844-2010 - 财政年份:2012
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$ 3.64万 - 项目类别:
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