Discrete Element Simulations of Cohesive Contractional Wedges: Kinematics and Mechanics of Fold and Thrust Belts
粘性收缩楔的离散元模拟:折叠带和推力带的运动学和力学
基本信息
- 批准号:1145263
- 负责人:
- 金额:$ 15万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2012
- 资助国家:美国
- 起止时间:2012-08-15 至 2015-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The research will conduct numerical simulations of fold and thrust belts using the discrete element method in order to develop a refined understanding of the controls and mechanisms responsible for their structural geometries and evolution under a range of conditions. Forward modeling of this sort is an important tool for testing and refining interpretations of fold and thrust belts observed in the field, which often have limited exposure, are highly eroded, and are preserved under conditions far from those in which they were formed. Specific questions to be addressed include: (1) What physical and mechanical parameters control fault vergence in fold and thrust belts, with particular attention to the origin and evolution of the most frontal structures which are common traps for hyrocarbons? (2) What is the role of decollement and basement heterogeneity in the mechanical state and structural evolution of fold and thrust belts? And (3) What are the structural consequences of specific basement configurations and stratigraphy on fold and thrust belts? The simulations will be carried out using RICEBAL, a code developed at Rice University; 2D and 3D simulations will be carried out to examine the effects of mechanical stratigraphy, heterogeneous decollement properties and structure, and indentation. Results will be compared with natural examples, in particular, the classic Canadian cordillera and the northern Appalachians in Canada.Fold and thrust belt development represents a fundamental mountain building process and is also responsible for the formation of rich oil and gas reservoirs. Understanding the conditions responsible for distinctive frontal structures that favor hydrocarbon accumulations allow first-order predictions of locations of future prospects. The simulations carried out in this project will provide a unique, and yet safe, way to explore the associated geodynamic processes, with broad applications to many other problems. In addition, this project will enable further refinement of the discrete element method code RICEBAL, developed at Rice University, which will be made available for broader distribution for education and research through the Computational Infrastructure for Geodynamics.
这项研究将使用离散元方法对褶皱和逆冲带进行数值模拟,以便更好地了解在一系列条件下负责褶皱和逆冲带构造几何和演化的控制和机制。这种正演模拟是检验和完善野外观察到的褶皱和冲断带解释的重要工具,这些褶皱和冲断带往往曝光有限,被高度侵蚀,并在远离它们形成的条件下保存。需要解决的具体问题包括:(1)什么物理力学参数控制着褶皱冲断带的断层收敛,特别是最常见的油气圈闭--最前缘构造的起源和演化?(2)滑脱和基底非均质性在褶皱冲断带的力学状态和构造演化中起什么作用?以及(3)特定的基底构造和地层对褶皱和冲断带的构造影响是什么?这些模拟将使用莱斯大学开发的RICEBAL程序进行;将进行2D和3D模拟,以检查机械地层、非均匀滑脱性质和结构以及压痕的影响。结果将与自然例子进行比较,特别是加拿大经典的Cordillera和加拿大阿巴拉契亚山脉北部。褶皱和冲断带的发展代表了一个基本的造山过程,也是形成丰富的油气藏的原因。了解形成有利于油气聚集的独特锋面结构的条件,可以对未来前景的位置进行一级预测。该项目中进行的模拟将提供一种独特而安全的方法来探索相关的地球动力学过程,并将其广泛应用于许多其他问题。此外,该项目将进一步完善赖斯大学开发的离散元方法代码RICEBAL,该代码将通过地球动力学计算基础设施提供给更广泛的教育和研究人员。
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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Julia Morgan其他文献
How do parents perceive and utilize knowledge of their infant’s mental health? A systematic review
父母如何看待和利用婴儿心理健康知识?
- DOI:
- 发表时间:
2018 - 期刊:
- 影响因子:1.9
- 作者:
J. Peters;Heather Skirton;Julia Morgan;M. Clark - 通讯作者:
M. Clark
Stigma, Outsider Status and Mothers in Prison
耻辱、局外人身份和狱中母亲
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:1.7
- 作者:
Julia Morgan;C. Leeson - 通讯作者:
C. Leeson
Progressive Pulmonary Obstruction and Hypoxia Following Recovery From Toxic Epidermal Necrolysis
- DOI:
10.1378/chest.1385756 - 发表时间:
2012-10-01 - 期刊:
- 影响因子:
- 作者:
William Porr;Julia Morgan - 通讯作者:
Julia Morgan
Exploring women’s experiences of diagnosis of ADHD in adulthood: a qualitative study
探索女性成年后诊断多动症的经历:一项定性研究
- DOI:
10.1080/18387357.2023.2268756 - 发表时间:
2023 - 期刊:
- 影响因子:1.4
- 作者:
Julia Morgan - 通讯作者:
Julia Morgan
Effects of Socioeconomic Status on Glycemic Control in Children and Young Adults with Type 1 Diabetes
社会经济状况对 1 型糖尿病儿童和年轻人血糖控制的影响
- DOI:
- 发表时间:
2022 - 期刊:
- 影响因子:0
- 作者:
J. Morgan;Julia Morgan - 通讯作者:
Julia Morgan
Julia Morgan的其他文献
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{{ truncateString('Julia Morgan', 18)}}的其他基金
RAPID: COLLABORATIVE RESEARCH: OBS survey of Kilauea's submarine south flank following the May 4, 2018 M6.9 earthquake and Lower East Rift Zone eruption
快速:协作研究:2018 年 5 月 4 日 M6.9 地震和下东裂谷带喷发后,OBS 对基拉韦厄海底南侧进行的调查
- 批准号:
1841020 - 财政年份:2018
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
Support for 8 Gordon Research Conference and Gordon Research Seminar on Rock Deformation
支持第八届戈登岩石变形研究会议和戈登研究研讨会
- 批准号:
1824129 - 财政年份:2018
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
Earthquake Precursors and Controls on Earthquake Magnitudes: Probing the Behavior of Megathrust Faults through Numerical Simulations
地震前兆和地震震级的控制:通过数值模拟探讨巨型逆冲断层的行为
- 批准号:
1723249 - 财政年份:2017
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
Support for 2016 Gordon Research Conference and Gordon Research Seminar on Rock Deformation
支持2016戈登岩石变形研究会议及戈登研究研讨会
- 批准号:
1620010 - 财政年份:2016
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$ 15万 - 项目类别:
Standard Grant
Collaborative Research: Bringing NSF MARGINS/GeoPRISMS Continental Margins Research into the Undergraduate Curriculum
合作研究:将 NSF MARGINS/GeoPRISMS 大陆边缘研究纳入本科课程
- 批准号:
1141056 - 财政年份:2012
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
Collaborative Research: Geologic, Tectonic, and Geodynamic Processes of the Eastern North American (ENAM) Passive Margin Workshop
合作研究:北美东部 (ENAM) 被动边缘研讨会的地质、构造和地球动力学过程
- 批准号:
1137368 - 财政年份:2011
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
GeoPRISMS Office Support - Building Beyond MARGINS
GeoPRISMS Office 支持 - 超越利润
- 批准号:
1046795 - 财政年份:2011
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
Numerical Constraints on the Causes and Processes of Submarine Slope Failure along Active, Passive, and Volcanic Margins
主动、被动和火山边缘海底斜坡破坏原因和过程的数值约束
- 批准号:
0851525 - 财政年份:2009
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
Three-Dimensional Distinct Element Simulations of Dynamic Process of Fault Gouge Evolution
断层泥演化动态过程三维离散元模拟
- 批准号:
0711558 - 财政年份:2007
- 资助金额:
$ 15万 - 项目类别:
Standard Grant
Geophysically Constrained Dynamic Models of Volcanotectonics: Integrating 3-D Seismic Tomography, Gravity, and Particle Dynamics Simulations of Hawaiian Volcanoes
火山构造的地球物理约束动力学模型:集成夏威夷火山的 3D 地震层析成像、重力和粒子动力学模拟
- 批准号:
0551750 - 财政年份:2006
- 资助金额:
$ 15万 - 项目类别:
Continuing Grant
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