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Data collected from natural hazards reconnaissance has been informing computational modeling of the hazards and their impacts for decades. However, new technologies for gathering reconnaissance data that is high resolution, three dimensional, easily repeated at time intervals following events, and that crosses disciplinary boundaries, have transformed what is possible. This session will present three ongoing projects that use reconnaissance data to help develop, inform, and validate computational models and/or their input. The projects use data sets that span geographic scales, time scales, and social scales. Following presentations from each project, a panel discussion will then explore the future of computational models informed by rich reconnaissance data sets and identify additional data that should be collected in the future.
This session focuses on opportunities for leveraging computational simulation tools to enrich university curricula. A panel comprising experts from industry and academia will share their thoughts on how changes in engineering education can better prepare the next generation for emerging trends in engineering practice, including the automation of workflows and the rising number of projects that require large, multi-disciplinary teams to achieve resilience and sustainability goals. We invite the audience to participate in a discussion of the role of computational simulation tools in this changing environment. The session will explore i) the skills and competencies newly hired engineers need to contribute to these emerging trends in professional practice; ii) the extent to which expertise in general programming and machine learning can be leveraged by a professional engineer; and iii) how existing university courses can be updated and new courses developed to better prepare students for a rapidly evolving professional practice.
Advancements in computational modeling and probabilistic analysis techniques are enabling the assessment of natural hazards and their impact on the built environment (buildings and lifelines) and communities with unprecedented scale and resolution. The outcome of such analysis techniques becomes an invaluable ingredient in guiding emergency responses, assessing societal consequences, simulating the recovery phase, and optimizing disaster policy and design decisions. At the same time, such an attempt at large-scale regional risk assessment presents opportunities for researchers to tackle previously unexplored challenges. Such challenges can be associated, for example, with high-dimensional, spatiotemporally correlated hazard and system response descriptions, scarcity of data needed for the development of models for extreme hazard and corresponding system response, trade-offs between the analysis resolution and computational burden under limited resources, complex interdependency between component and system behaviors, and conflicting influences of hazards on the subcomponents of the system and resulting conflicting policy decision objectives. This setting creates new opportunities (for addressing the aforementioned challenges) for the use of advanced UQ techniques (e.g., surrogate modeling, sensitivity analysis, adaptive sampling, multi-fidelity approaches, low-dimensional latent space projections, multi-objective optimization) and for promoting interdisciplinary efforts to expand the frontiers of the domain. This session will showcase ongoing efforts in enabling regional-scale modeling and risk assessment, with the intention to create a dialog and foster collaborative efforts between researchers. It will combine a small number of presentations and open dialog on this broader topic.
In this session, we will hear an update on recent and planned changes to R2D made in response to feedback from the community. We will also hear example past and potential future use cases of models being linked to R2D. With these presentations for inspiration, we will discuss the value and promise of R2D in advancing socio-economic disaster research.
This interactive session will examine the capabilities and development needs for SimCenter applications to support regional earthquake simulations. The session will emphasize regional simulations to address specific planning and policy decisions that incorporate (1) multi- resolution models for buildings, bridges, lifeline systems and other assets, and (2) correlations and/or interdependencies between assets and systems. Regional simulations with multi- resolution models are envisioned as essential where detailed performance assessment of certain assets is integral to accurate assessment of earthquake impacts and recovery of the overall community. An example is assessing the adequacy medical services following an earthquake, where the supply of medical services is dictated by the performance of a few selected hospital facilities (modeled in high resolution) and the demand is driven by overall damage to a large inventory of buildings (modeled with lower resolution). Another example is where regional recovery is impacted by safety cordons around damaged buildings or disruption to vital transportation or other infrastructure. The session will be organized in two parts, where the first portion have a series of guided discussions of the specific components of regional earthquake simulations, including characterization of earthquake hazard and inventory data, asset modeling and performance assessment with reduced-order and surrogate models, and evaluation of recovery and socio- economic impacts. Each of these discussions will be prompted by short presentations on the current capabilities of SimCenter applications (quoFEM, EE-UQ, PBE, and R2D) and related software tools and supporting data. The second part of the session will explore ideas and plans for regional earthquake testbed studies that can be championed by the SimCenter to promote collaboration to advance research and modeling capabilities for multi-resolution regional simulations.
This interactive session is designed for attendees interested in understanding opportunities and needs in the simulation of windstorm events and their impacts across regions, inclusive of both wind and storm surge/wave effects. The session will introduce attendees to the current workflow for regional simulation of windstorm events, such as hurricanes. Invited discussants will lead 30-minute discussion blocks around three workflow modules associated with Hazard Description, Response Estimation, and Performance Assessment. Each block will begin with discussants presenting a vignette on their research related to this module. Each discussant will be invited to reflect on opportunities to improve the fidelity of and capabilities within that workflow module, while maintaining computational tractability. This will then prompt an interactive discussion with the audience on how the community can work with the SimCenter to seize these opportunities or address other related needs such as reduced-order models or uncertainty quantification. The session will close with a reflection on gaps in existing inventories/inventory generation tools that must be addressed to realize the desired enhancements in the hazards, response and performance modules.
10:00 AM: Introduction & Table Setting: Tracy Kijewski-Correa, University of Notre Dame
10:05 AM: Hazard Description: Teng Wu, University at Buffalo
10:40 AM: Performance Assessment of Buildings: Jean-Paul Pinelli, Florida Institute of Technology
11:15 AM: Performance Assessment of Infrastructure: Luis Ceferino, University of California, Berkeley
11:50 PM: Recap of Key Takeaways: Tracy Kijewski-Correa, University of Notre Dame
12:00 PM: Session Close
Emerging Hazards for NHERI SimCenter: Co-development and Support Efforts The objective of this session will be to survey research and development activities on emerging hazards that are affecting an ever-growing list of regions and communities, and examine how NHERI SimCenter might accelerate those efforts. The session will feature lightning talks (~7 minutes each) and an open discussion (~1 hour) moderated by the session organizer, Dr. Ertugrul Taciroglu. Open discussion will focus on the following questions:
Within the modeling community and beyond, computational fluid dynamics has become a popular approach for simulating wind and water-related hazards. This session will bring together interested modelers to discuss the present and future of computational fluid dynamics and how we can promote the development of a culture of CFD. Topics will include increasing scales with increasing computing power, such as extensions from single building to building clusters, stochastic considerations, or refined local response, use of Machine Learning and implementation of GPU to expedite CFD simulations. Continuing challenges such as applications for regional testbeds, multi-hazard modeling, proper benchmarking, and complex flow dynamics (e.g., wind/wave environment, non-synoptic winds, turbulent flows) will be discussed. Looking forward, we will present examples of prototype CFD front ends and discuss best practices for new users.
Introduction, Ahsan. Kareem and Mike Motley, Facilitators
Effects of helical-shaped blades on turbulent flows in large arrays of vertical-axis wind turbines - Di Yang
Towards high-fidelity large-eddy simulation of extreme wind/wave events in coastal regions - Catherine Gorle
Wave loads on Structures - Nicolette Lewis and Mike Motley
Stochastic and CFD Modeling for PBD for wind - Seymour Spence
Simulation of Non-Synoptic Winds, Project NSF REWRITE - R. Panneer Selvam
Digital Wind Tunnel - Abiy Melaku
Closing Comments on Wind and Surge/Wave Simulation
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These tracks are duplicates of the 1:30 pm session, providing you the flexibility to attend multiple tracks.
* Sign-up required email Joy Pauschke <firstname.lastname@example.org> to request a time slot.