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Incorporating Full ...
Incorporating Full Elastodynamic Effects and Dipping Fault Geometries in Community Code Verification Exercises for Simulations of Earthquake Sequences and Aseismic Slip (SEAS)
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- Erickson, Brittany A. (författare)
- Univ Oregon, Dept Comp Sci, Dept Earth Sci, Eugene, OR 97403 USA.
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- Jiang, Junle (författare)
- Univ Oklahoma, Sch Geosci, Norman, OK USA.
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- Lambert, Valere (författare)
- Univ Calif Santa Cruz, Dept Earth & Planetary Sci, Santa Cruz, CA USA.
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- Barbot, Sylvain D. (författare)
- Univ Southern Calif, Earth Sci Dept, Los Angeles, CA USA.
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- Abdelmeguid, Mohamed (författare)
- Univ Illinois, Dept Civil & Environm Engn, Urbana, IL USA.
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- Almquist, Martin (författare)
- Uppsala universitet,Avdelningen för beräkningsvetenskap,Numerisk analys,Tillämpad beräkningsvetenskap
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- Ampuero, Jean-Paul (författare)
- Univ Cote Azur, Geoazur Lab, IRD, CNRS,Observ Cote Azur, Valbonne, France.
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- Ando, Ryosuke (författare)
- Univ Tokyo, Dept Earth & Planetary Sci, Tokyo, Japan.
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- Cattania, Camilla (författare)
- MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA USA.
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- Chen, Alexandre (författare)
- Univ Oregon, Dept Comp Sci, Dept Earth Sci, Eugene, OR USA. Swiss Fed Inst Technol, Inst Geophys, Dept Earth Sci, Zurich, Switzerland. Sichuan Univ, Inst Disaster Management & Reconstruct IDMR, Chengdu, Peoples R China. Stanford Univ, Inst Computat & Math Engn, Dept Geophys, Stanford, CA USA. Beckman Inst Adv Sci & Technol, Dept Civil & Environm Engn, Urbana, IL USA. Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA USA.
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Dal Zilio, Luca (författare)
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Deng, Shuai (författare)
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Dunham, Eric M. (författare)
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Elbanna, Ahmed E. (författare)
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- Gabriel, Alice-Agnes (författare)
- Univ Michigan, Dept Earth & Environm Sci, Ann Arbor, MI USA. Kyoto Univ, Grad Sch Sci, Dept Geophys, Kyoto, Japan. Naval Postgrad Sch, Dept Appl Mathemat, Monterey, CA USA.
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- Harvey, Tobias W. (författare)
- Univ Oregon, Dept Comp Sci, Dept Earth Sci, Eugene, OR 97403 USA.
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Huang, Yihe (författare)
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Kaneko, Yoshihiro (författare)
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- Kozdon, Jeremy E. (författare)
- NextSilicon, Giv'atayim, Israel. CALTECH, Dept Mech & Civil Engn, Pasadena, CA USA.
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- Lapusta, Nadia (författare)
- CALTECH, Seismol Lab, Pasadena, CA USA. Ludwig Maximilians Univ Munchen, Dept Earth & Environm Sci, Munich, Germany. Univ Utrecht, Dept Earth Sci, Utrecht, Netherlands. McGill Univ, Dept Earth & Planetary Sci, Montreal, PQ, Canada. Victoria Univ Wellington, Sch Geog Environm & Earth Sci, Wellington, New Zealand. Stanford Univ, Geophys Dept, Stanford, CA USA.
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Li, Duo (författare)
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Li, Meng (författare)
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Liang, Chao (författare)
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Liu, Yajing (författare)
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- Ozawa, So (författare)
- Univ Tokyo, Dept Earth & Planetary Sci, Tokyo, Japan.
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Perez-Silva, Andrea (författare)
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Pranger, Casper (författare)
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Segall, Paul (författare)
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- Sun, Yudong (författare)
- MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA USA.
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Thakur, Prithvi (författare)
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Uphoff, Carsten (författare)
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van Dinther, Ylona (författare)
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Yang, Yuyun (författare)
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Univ Oregon, Dept Comp Sci, Dept Earth Sci, Eugene, OR 97403 USA Univ Oklahoma, Sch Geosci, Norman, OK USA. (creator_code:org_t)
- 2023-01-10
- 2023
- Engelska.
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Ingår i: Bulletin of The Seismological Society of America (BSSA). - : SEISMOLOGICAL SOC AMER. - 0037-1106 .- 1943-3573. ; 113:2, s. 499-523
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Numerical modeling of earthquake dynamics and derived insight for seismic hazard relies on credible, reproducible model results. The sequences of earthquakes and aseismic slip (SEAS) initiative has set out to facilitate community code comparisons, and verify and advance the next generation of physics-based earthquake models that reproduce all phases of the seis-mic cycle. With the goal of advancing SEAS models to robustly incorporate physical and geo-metrical complexities, here we present code comparison results from two new benchmark problems: BP1-FD considers full elastodynamic effects, and BP3-QD considers dipping fault geometries. Seven and eight modeling groups participated in BP1-FD and BP3-QD, respectively, allowing us to explore these physical ingredients across multiple codes and better understand associated numerical considerations. With new comparison metrics, we find that numerical resolution and computational domain size are critical parameters to obtain matching results. Codes for BP1-FD implement different criteria for switching between quasi-static and dynamic solvers, which require tuning to obtain matching results. In BP3-QD, proper remote boundary conditions consistent with specified rigid body translation are required to obtain matching surface displacements. With these numerical and mathematical issues resolved, we obtain excellent quantitative agreements among codes in earthquake interevent times, event moments, and coseismic slip, with reasonable agreements made in peak slip rates and rupture arrival time. We find that including full inertial effects generates events with larger slip rates and rupture speeds compared to the quasi-dynamic counterpart. For BP3-QD, both dip angle and sense of motion (thrust versus normal faulting) alter ground motion on the hanging and foot walls, and influence event patterns, with some sequences exhibiting similar-size character-istic earthquakes, and others exhibiting different-size events. These findings underscore the importance of considering full elastodynamics and nonvertical dip angles in SEAS models, as both influence short-and long-term earthquake behavior and are relevant to seismic hazard.
Ämnesord
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
Nyckelord
- Scientific Computing
- Beräkningsvetenskap
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Erickson, Britta ...
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Jiang, Junle
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Lambert, Valere
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Barbot, Sylvain ...
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Abdelmeguid, Moh ...
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Almquist, Martin
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visa fler...
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Ampuero, Jean-Pa ...
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Ando, Ryosuke
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Cattania, Camill ...
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Chen, Alexandre
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Dal Zilio, Luca
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Deng, Shuai
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Dunham, Eric M.
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Elbanna, Ahmed E ...
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Gabriel, Alice-A ...
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Harvey, Tobias W ...
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Huang, Yihe
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Kaneko, Yoshihir ...
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Kozdon, Jeremy E ...
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Lapusta, Nadia
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Li, Duo
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Li, Meng
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Liang, Chao
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Liu, Yajing
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Ozawa, So
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Perez-Silva, And ...
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Pranger, Casper
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Segall, Paul
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Sun, Yudong
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Thakur, Prithvi
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Uphoff, Carsten
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van Dinther, Ylo ...
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Yang, Yuyun
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