SCEC Workshop for Advancing Simulations of Sequences of Earthquakes and Aseismic Slip (SEAS)
Conveners: Brittany Erickson and Junle Jiang
Date: January 9, 2020
Location: Kellogg West Conference Center, Pomona, CA
SCEC Award and Report: 19110
SUMMARY: Our group is working to advance computational methods for simulating Sequences of Earthquakes and Aseismic Slip (SEAS) by conducting a suite of code verification exercises. In SEAS models, the goal is to capture the interplay of aseismic fault slip—that ultimately lead to earthquake nucleation—and dynamic earthquake ruptures themselves, in an effort to understand which physical factors control the full range of observables such as aseismic deformation, earthquake initiation locations, ground shaking during dynamic rupture, recurrence times and magnitudes of earthquakes.
The goal of this workshop is to share some recent progress in SEAS modeling and discuss the results of two new code verification benchmarks, BP3 and BP4, which focus on fully dynamic 2D and quasidynamic 3D problems, respectively. We will also discuss our future benchmark efforts; for example, to explore the effects of fault geometry, free surface, or heterogeneous friction, and plan for group publications to promote our results to the broader community.
Presentation slides may be downloaded by clicking the links following the title. PLEASE NOTE: Files are the author’s property. They may contain unpublished or preliminary information and should only be used while viewing the talk.
THURSDAY, JANUARY 9, 2020
08:30 - 09:00 | Workshop Check-In | |
Session 1: Overview of SEAS Group and Progress in SEAS Science | ||
09:00 - 09:10 | Welcome and Overview of Workshop Objectives (PDF, 521KB) | Brittany Erickson / Junle Jiang |
09:10 - 09:30 | Slip complexity on faults with heterogeneous friction | Sohom Ray (Dalhousie) |
09:30 - 09:50 | Anatomy of the Main Himalayan Thrust: Bridging long-term tectonics and short-term seismicity (PDF, 8.5MB) | Luca Dal Zilio |
09:50 - 10:10 | Linked subduction, dynamic earthquake rupture, and tsunami modeling (PDF, 2.7MB) | Betsy Madden (Brasilia) |
10:10 - 10:30 | Discussion | All |
10:30 - 10:40 | Break | |
Session 2: Community Code Comparison and Verification Exercises | ||
10:40 - 11:00 | Comparing results of diverse earthquake simulators with one another and with earthquake data | Terry Tullis |
11:00 - 11:30 | Review of SEAS benchmarks BP1 and BP2 results (PDF, 5.2MB) | Brittany Erickson / Junle Jiang |
11:30 - 11:50 | Code verification using the method of manufactured solutions (PDF, 110KB) | Jeremy Kozdon |
11:50 - 12:00 | Discussion | All |
12:00 - 13:00 | Lunch | |
Session 3: SEAS Benchmark BP3 - Inertial effect | ||
13:00 - 14:10 | Benchmark results and discussion (PDF, 5.2MB) | Brittany Erickson |
14:10 - 14:20 | Break | |
Session 4: SEAS Benchmark BP4 - 3D effect | ||
14:20 - 16:00 | Benchmark results and discussion (PDF, 5.4MB) | Junle Jiang |
15:50 - 16:00 | Break | |
Session 5: Future SEAS Group Activities | ||
16:00 - 17:00 | Future benchmarks and publications (PDF, 194KB) | Brittany Erickson / Junle Jiang |
17:00 - 17:30 | Discussion | All |
17:30 | Workshop Adjourns |
PARTICIPANTS
*Pablo Ampuero (Caltech)
Khurram Aslam (U Oregon)
*Michael Barall (Invisible Software)
Sylvain Barbot (USC)
*Luca Dal Zilio (Caltech)
Luis Dalguer (3Q-Lab)
Ben Duan (TAMU)
*Eric Dunham (Stanford)
*Kenneth Duru (ANU)
Ahmed Elbanna (UIUC)
Brittany Erickson (U Oregon)
Alice Gabriel (LMU)
*Dmitry Garagash (Dalhousie)
*Percy Galvez (ETHZ)
Ruth Harris (USGS)
*Jorge Hayek (LMU)
*Yihe Huang (Michigan)
Tran Huynh (USC)
Junle Jiang (Cornell)
*Yoshi Kaneko (GNS)
*Jeremy Kozdon (NPS)
*Kayla Kroll (LLNL)
Valere Lambert (Caltech)
*Nadia Lapusta (Caltech)
*Meng Li (Utrecht)
Dunyu Liu (TAMU)
Betsy Madden (Brasilia)
*Kim Olsen (SDSU)
Edric Pauk (USC)
*Andrea Perez (Victoria)
*Sohom Ray (Dalhousie)
Sharadha Sathiakumar (USC)
*Paul Segall (Stanford)
*Pengcheng Shi (URI)
*Kanya Sudhir (Caltech)
Prithvi Thakur (Michigan)
Terry Tullis (Brown)
Yongfei Wang (USC)
*Remote Participants
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