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.
该研究将使用离散元方法对褶皱带和冲断带进行数值模拟,以便深入了解在一系列条件下负责其结构几何形状和演化的控制和机制。此类正演模型是测试和完善对现场观察到的褶皱和冲断带解释的重要工具,这些褶皱和冲断带通常暴露程度有限,受到高度侵蚀,并且在远离其形成条件的条件下保存。需要解决的具体问题包括:(1)哪些物理和力学参数控制褶皱带和冲断带的断层辐合,特别关注作为碳氢化合物常见圈闭的最锋面构造的起源和演化? (2)滑脱和基底非均质性在褶皱冲断带的力学状态和结构演化中起什么作用? (3)特定的基底构造和地层对褶皱带和冲断带的结构影响是什么?模拟将使用莱斯大学开发的代码 RICEBAL 进行;将进行 2D 和 3D 模拟,以检查机械地层学、异质滑脱特性和结构以及压痕的影响。结果将与自然实例进行比较,特别是加拿大经典的山脉和加拿大北部的阿巴拉契亚山脉。褶皱和冲断带的发育代表了基本的造山过程,也是丰富油气藏形成的原因。了解有利于碳氢化合物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阶预测。该项目中进行的模拟将提供一种独特且安全的方式来探索相关的地球动力学过程,并广泛应用于许多其他问题。此外,该项目还将进一步完善莱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广泛用于教育和研究。
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
- 资助金额:
$ 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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