SCEC has established this TAG focused on GMSV in order to develop and implement, via collaboration between ground motion modelers and engineering users, testing/rating methodologies for simulated ground motions to be used in engineering applications.
This event is open to everyone who register. For more information on registration and agenda see https://sites.google.com/view/cosmos-sim-wg/home
We held a Special Interest Groups (SIGs) at the 2022 SSA Annual Meeting on "Ground Motion Simulation Validation (GMSV)". For more information see SSA's website https://meetings.seismosoc.org/special-interest-groups/
Thursday 9:30am-1:30am Pacific Time
Focus: GMSV-related to ground motion characterization
Agenda and Participants: here
Presentations: Rezaeian, Luco, Goulet, Petersen, Moschetti, Stewart, Goulet-Discussion, Graves, Olsen, Rodgers
Recordings: email srezaeian@usgs.gov if interested
Tuesday 9:30am-1:30am Pacific Time
Focused on GMSV-related to structural response.
Agenda and Participants: here
Presentations: Rezaeian, Stewart, Luco, Deierlein, Zareian, Rezaeian, Baker, Bayless, Somerville/Skarlatoudis, Zareian-Discussion
Recordings: email srezaeian@usgs.gov if interested
Wednesday 10am-11am Pacific Time
Agenda:
10:00 Introductions (Sanaz Rezaeian)
10:10 Generation of Broadband Ground Motion from Dynamic Rupture Simulations: A Group Modeling Approach towards better Characterizing Seismic Hazard for Engineering Applications, Award#21010 (Kyle Withers, USGS).
More resources from this group: most recent SCEC report.
10:25 Lessons Learned from a Decade of GMSV Exercises and a Path Forward, Award#21144 (Rezaeian/Luco/Stewart)
10:40 QA + Discussions (All)
10:55 Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions (Sanaz Rezaeian)
11:10 "Utilization of Stochastic Ground Motion Simulations for Scenario Based Performance Assessment of Geo-structures" (Mohammad Amin Hariri Ardebili, NIST)
11:40 QA + Discussions (All)
11:55 Adjourn
Wednesday 10am-11am Pacific Time
Agenda:
10:00 Introductions (Sanaz Rezaeian)
10:10 "SCEC Simulation Validation for Southern California Basins using Ground Motion Recordings", SCEC Project 19152 (Chukwuebuka Nweke and Jon Stewart)
10:40 QA + Discussions (All)
10:55 Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions
11:10 “A Method for Evaluation of Simulated Ground Motions based on Probabilistic Seismic Demand Analysis: with an application on CyberShake (15.12) Simulations using Ordinary Standard Bridges" by Jawad Fayaz and Farzin Zareian
12:00 Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions
11:10 “A pressure-dependent nonlinear soil model for 3D wave propagation and its validation” by W Zhang, F Ghahari, P Arduino (presenter), E Taciroglu
11:35 “Bayesian site characterization using geotechnical downhole array data” by F Ghahari, W Zhang, P Arduino, E Taciroglu (presenter)
12:00 Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions
11:10 UGMS MCEr Tool (CB Crouse)
CB Crouse has been the chair for the SCEC committee on Utilization of Ground Motion Simulations (UGMS). During this presentation, he will discuss their new MCEr tool that can be accessed on https://data2.scec.org/ugms-mcerGM-tool_v18.4/
11:45 Adjourn early, unless there are more questions
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions (Sanaz Rezaeian)
11:10 Project #19097 "Region-Specific Fourier-Based Site Amplification Modeling" (Jeff Bayless)
11:40 Project #19173 "Guidelines Document" (Ting Lin)
12:00 Adjourn
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SCEC Technical Reports:
Ground Motion Simulation Validation (GMSV) Technical Activity Group (TAG) & Workshop
Selection of Time Series in Support of the Committee for Utilization of Ground Motion Simulations
Region-Specific Fourier-Based Site Amplification Modeling
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions (Sanaz Rezaeian)
11:15 Project #19060 "Selection of Time Series in Support of the Committee for Utilization of Ground Motion Simulations" (Jack Baker)
11:45 Open for other discussions (All)
12:00 Adjourn
Selected CyberShake Data (by Baker et al.):
These are preliminary results shared with TAG for their feedback
Powerpoint slides: see the link under agenda
Plots of time series and spectra: https://www.dropbox.com/s/xhtcqmkfc5bw43l/Figure_summary.pdf?dl=0
Tabulated record data: https://www.dropbox.com/s/ldsq4levnizi068/summaryTable.csv?dl=0
A folder with all of the time series and plots in it: https://www.dropbox.com/s/86lvcjw7qh45pve/Time_series.zip?dl=0
"Progress and Challenges in Utilizing Simulated Ground Motions for Engineering Practice"
Organized by: Farzin Zareian, Sanaz Rezaeian, Christine Goulet
Speakers: Nico Luco, Jonathan Stewart & Buka Nweke, Ting Lin, Jack Baker, Farzin Zareian, Marty Hudson
http://earthquakeconference.org/pdf/NEC_Program.pdf
https://www.scec.org/workshops/2019/gmsv
Resources for the 2019 Workshop & the Multi-PI Project: Draft Agenda & Participants
Paper (under development): Resources (v3 latest version)
Wednesday 11am-12pm Pacific Time
Agenda:
11:00am Introductions
11:10am Update on "Critical assessment of probabilistic seismic demand analysis of ordinary bridge structures using Cybershake simulations" (Farzin Zareian)
11:30am Potential GMSV-related SCEC proposals (All)
12:00pm Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions
11:10 "SCEC Simulation Validation for Southern California Basins using Ground Motion Recordings", Project 19152 (Chukwuebuka Nweke / Jon Stewart)
11:35 "Validation of SCEC BBP nonlinear soil module", Project 19150 (Pedro Arduino / Ertugrul Taciroglu / Mahdi Taiebat / Luis Bonilla)
12:00 Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions
11:10 Planning the GMSV "Working Meeting"... (Sanaz Rezaeian)
... combining proposals 19181 (on a GMSV workshop) & 19173 (multi-PI project on producing a guidelines document for engineers)
11:30 Updates on project #19060 "Selection of Time Series in Support of the Committee for Utilization of Ground Motion Simulations" (Jack Baker)
12:00 Adjourn
Thursday 11am-12pm Pacific Time
Agenda:
11:00 Introductions
11:10 Overview and plans for project #19097 on "Region-Specific Fourier-Based Site Amplification Modeling" (Jeff Bayless)
12:00 Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions
11:10 Research activities of the TAG on "Nonlinear Effects in the Shallow Crust" (Domniki Asimaki)
11:25 "BBP Site Response Module" Project 19055 (Domniki Asimaki)
12:00 Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions
11:10 "GMSV Coordination & Planning Workshop", proposal 19181 (Sanaz Rezaeian, All)
12:00 Adjourn
Outcome of Discussions: We will not hold a GMSV workshop at the SCEC Annual Meeting. Instead, we will hold a working meeting later in the year (Oct/Nov) in Los Angeles, focused only on engineering applications of simulated motions. GMSV related needs for ground motion characterization will be discussed at a later web-conference, date TBD.
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions (Sanaz Rezaeian)
11:10 Overview & plans for project 19060 on "Selection of Time Series in Support of the Committee for Utilization of Ground Motion Simulations" (Jack Baker)
12:00 Adjourn
Wednesday 11am-12pm Pacific Time
Agenda:
11:00 Introductions (Sanaz Rezaeian)
11:15 Overview & plans for the multi-PI project 19173 on "SCEC Ground Motion Simulation Validation (GMSV) Guidelines on Utilization of Simulations for Engineering Building Response Applications" (Ting Lin)
11:30 Overview & plan for project 19152 on "SCEC Simulation Validation for Southern California Basins using Ground Motion Recordings" (Jonathan Stewart)
11:45 Overview & plans for project 19114 on "Critical assessment of probabilistic seismic demand analysis of ordinary bridge structures using Cybershake simulations" (Farzin Zareian)
12:00 Adjourn
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GMSV TAG Related Projects:
19181 | Ground Motion Simulation Validation (GMSV) Technical Activity Group (TAG) Workshop | Sanaz Rezaeian, Jonathan Stewart | Category: Workshop Proposal - Proposal
19173 | SCEC Ground Motion Simulation Validation (GMSV) Guidelines on Utilization of Simulations for Engineering Building Response Applications | Ting Lin, Sanaz Rezaeian, Nicolas Luco, Gregory Deierlein, Jack Baker, Farzin Zareian | Category: Collaborative Proposal
19060 | Selection of Time Series in Support of the Committee for Utilization of Ground Motion Simulations | Jack Baker, Sanaz Rezaeian | Category: Individual Proposal
19152 | SCEC Simulation Validation for Southern California Basins using Ground Motion Recordings | Jonathan Stewart | Category: Individual Proposal
19114 | Critical assessment of probabilistic seismic demand analysis of ordinary bridge structures using Cybershake simulations | Farzin Zareian, Sanaz Rezaeian | Category: Individual Proposal
Geotech (SiteModule) GMSV TAG Related Projects to Coordinate with:
19097 | Region-Specific Fourier-Based Site Amplification Modeling | Jeff Bayless, Andreas Skarlatoudis, Paul Somerville, Jonathan Stewart | Category: Collaborative Proposal
19055 | Implementation and Validation of a Site-Specific Response Module Toolbox on the Broadband Platform | Domniki Asimaki | Category: Individual Proposal
19150 | Validation of SCEC BBP nonlinear soil module | Pedro Arduino, Ertugrul Taciroglu, Mahdi Taiebat, Luis Bonilla | Category: Collaborative Proposal
Other Possibly Related Projects to Coordinate with (or just to be aware of):
19091 | Organizational Meetings for the SCEC Utilization of Ground-Motion Simulations (UGMS) Committee | C.B. Crouse, Christine Goulet | Category: Workshop Proposal
19053 | A Technical Activity Group for the coordination of SCEC5 research activities on nonlinear effects in the shallow crust: Progress and Future Plans | Domniki Asimaki, Ricardo Taborda | Category: Collaborative Proposal
19077 | Validation of Broadband Ground Motion from Dynamic Rupture Simulations: towards better characterizing seismic hazard for engineering applications | Kyle Withers, Shuo Ma, Luis Dalguer, Jean-Paul Ampuero | Category: Collaborative Proposal
?19079? | UCSB Broadband kinematic rupture simulation with a double corner source spectrum | Ralph Archuleta, Chen Ji | Category: Individual Proposal
?19154? | Understanding the Seismic Ground Motion Spatial Variability Using Network Analysis - Community Detection | Qingkai Kong, Gregory Beroza | Category: Collaborative Proposal (Integration and Theory)
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Tuesday 4pm-5pm Pacific Time
Agenda:
4:00 Introductions
4:15 Jon Stewart (on a multi-PI proposal related to site response modules)
4:25 Ting Lin (on a multi-PI proposal related to engineering building response applications of SCEC simulations)
4:35 Sanaz Rezaeian (other potential proposals)
4:45 Discussion & Other Proposal Plans?
4:55 Adjourn
Tuesday 2pm-3pm Pacific Time
Agenda:
2:00 Introductions
2:10 An Overview of the Aug24 "Planning Workshop" (Rezaeian, 15min)
2:25 GMSV Objectives & Path Forward for "Engineering Applications" (Zareian, 10min)
2:35 "Key Take-Aways" from the Workshop (Stewart, 10min)
2:45 Questions & Discussion (10min)
2:55 Adjourn
Meeting Summary:
During this meeting, we reviewed our Aug24 “Planning Workshop” and discussed what types of GMSV-related proposals should be submitted in response to the SCEC RFP this year. Three research areas were discussed that are of interest to GMSV this year:
1. Proposals related to site response modules for the BBP: Jon Stewart mentioned that he is going to work on a proposal with Jeff Bayless, Andreas Skarlatoudis, and Domniki Assimaki on this topic. Other related proposals are welcome, but PIs are encouraged to collaborate with this group.
2. Proposals that encourage and/or enable engineering applications of SCEC simulations for response history analysis of buildings. Examples include:
a. Forming a committee to review prior GMSV work, vett through engineering practice committees (SEAOC seismology), identify gaps (as applicable), and prepare recommendations: We talked about a potential multi-PI proposal by the conveners of the “Feb 2018 workshop with engineers”, this effort will be led by Ting Lin.
b. Proposals that utilize a subset of simulations to analyze a specific structure and calculate responses are also encouraged: Several practicing engineers who attended our Feb and/or August workshops expressed interest in such a proposal.
c. Proposals focused on tall buildings, 2sec or longer fundamental periods.
d. Proposals that focus on preparing tools and protocols to facilitate access to simulated motions (possibly according to geographic bins) and appropriate selection of those motions for specific engineering applications: We have been talking about a multi-PI proposal for “Selection of simulated time-series for the MCER UGMS tool”, this effort will be led by Jack Baker. Other related proposals are welcome, but for anything related to UGMS/Cybershake simulations, PIs are encouraged to first coordinate with Jack.
3. Proposals related to validation exercises that are focused on new applications (e.g., bridges, tunnels, dams): Farzin Zareian presented a possible validation framework that could be used for any engineering application, interested PIs are encouraged to take a look at this framework before preparing their proposals
Other ideas that we did not focus on during our last conference call, but have come up in our previous meetings include:
4. Formalizing a collaborative effort with our international colleagues (e.g., Italy, New Zealand, Mexico)
5. Focusing on validations beyond median ground motion, and based on standard deviations and correlations
Website: https://www.scec.org/workshops/2018/gmsv-aug
Discussion Questions: https://docs.google.com/document/d/1jMoKdUzGe5SIXo-QVgfGnPLiVD9Tv3g27ATnlIbfF_w/edit?usp=sharing
Action Items: https://drive.google.com/open?id=1ba10eR-ZxXqVxXfXdTxxzhU9zD2wUqXp2Svgu37DWT4
Older Docs:
2018 SCEC GMSV TAG Proposal to hold this meeting/workshop: Proposal (summary presentation from Oct2017 call)
Acceptance Notice and feedback from SCEC (Received May 2018): Award#18161
Agenda & the full list of Invitees: https://drive.google.com/open?id=1MbPjM6fQM5FJZtX9aR-hjr_zkGVgXVHb
Website: https://www.scec.org/workshops/2018/gms-engineering
A selected subset of simulated seismograms that were used in the February 2018 workshop with engineers were released as a product of the SCEC research project "Demonstration of the Efficacy of the BBP Validation Gauntlets for Building Response Analysis Application". These files and supporting documents are posted on the workshop website: https://www.scec.org/workshops/2018/gmsv
Wednesday 2pm-3pm Pacific Time
Agenda:
2:00 Introductions (Sanaz Rezaeian)
2:10 Hikurangi Subduction Interface Ground Shaking for Wellington, New Zealand (Caroline Holden & Yoshi Kaneko)
2:30 Updates on interactions with the engineering community (Farzin Zareian)
2:45 Update on the "2018 GMSV TAG Planning Workshop" (Sanaz Rezaeian, Jon Stewart, Nico Luco)
3:00 Adjourn
Participants:
1) Sanaz Rezaeian, 2) Nico Luco, 3) Caroline Holden, 4) Farzin Zareian, 5) John Vidale, 6) Greg Deierlein, 7) Paul Somerville, 8) Brendon Bradley, 9) Marco Stupazzini (participants interested but not able to attend: Jack Baker, Christine Goulet)
Meeting Notes:
Caroline gave an interesting presentation on the simulations they are performing for large interface subduction earthquakes in Wellington region of New Zealand. John Vidale discussed that the conclusions were somewhat similar to the results of the M9 project in the Pacific Northwest of US. Caroline's group is planning to continue this work and look at the RZZ validation parameters for these simulations.
Farzin gave a 10min oral update on his recent interactions with the engineers at SEAOSC and LA Tall Buildings meetings. 1) There is interest from SEAOSC community to get access to our "validated set of SCEC simulations". We discussed the timeline for the release of these simulations, we expect them to be posted for access by the engineering community before the 11NCEE conference, June 25 (the next SEAOSC meeting is June 20 and July 11). 2) There seems to be a misunderstanding by many engineers who think that SCEC simulations are equal to Cybershake, there should be better communication/education with engineers. 3) There seem to be an interest by the engineers to use simulations for "buried structures," such as pipelines and basically distributed infrastructures, where they need high frequency motions and need to account for spatial correlations.
Sanaz briefly discussed a "Working Meeting" to plan future efforts of the GMSV TAG. We have news from SCEC that our proposal to hold this workshop has been accepted. We would like to hold this workshop either in late August at USC, or during the SCEC annual meeting at Palm Springs. more information is listed above under subheading "2018 SCEC GMSV TAG Proposal to hold a "Working Meeting" to plan our future efforts". Since this is a working meeting and likely held at the SCEC boardroom, we will have a small number of invitees, however, if you would like to be involved in planning this Working Meeting (or to participate, remotely or in person) please contact srezaeian@usgs.gov
Action Items:
Start planning a Working Meeting for late August
Wednesday 9am-10am Pacific Time
Agenda:
9:00 Introductions (Sanaz Rezaeian)
9:10 Selection of CyberShake Time Series for Engineering Building Code Analyses (Jack Baker)
9:30 Open Discussion: SEAOC Meeting Summary (Farzin Zareian), Update on the Vetted Set of Workshop Simulations (Greg Deierlein, Ting Lin)
10:00 Adjourn
Participants:
1) Sanaz Rezaeian, 2) Jon Stewart & Students, 3) Nico Luco, 4) Christine Goulet, 5) Farzin Zareian, 6) Greg Deierlein, 7) Kuanshi Zhong, 8) Nenad Bijelic, 9) Wen-Yi Yen, 10) Jack Baker, 11) Jeff Bayless, 12) Jae Park, 13) Kim Olsen & Students, 14) Fabio Silva, 15) Domniki Asimaki, 16) Marco Stupazzini (participants interested but not able to attend: Ting Lin, Caroline Holden)
Meeting Notes:
There were great discussions on Jack's presentation about the vetted set of Cybershake simulations for engineers (11 ground motions for two sites LADT & PAS)
Greg gave a short update on the status of vetted set of BBP (GP simulations) presented at the Feb workshop (12 sets of 11 ground motions each, this includes three sites LADT, SF & San Bernardino)
Farzin's update on the recent SEAOC Meeting was postponed to the next webconference due to the limited time
Action Items:
Same as Action Items from the March meeting
Wednesday 10:30-11:30am Pacific Time
Agenda:
10:30 Introductions & workshop agenda (Sanaz Rezaeian)
10:40 A summary of “validation of SCEC seismogram simulations” (Nico Luco)
11:00 A summary of “Demonstrations of the use and validation of SCEC seismogram simulations for building response analysis” (Ting Lin)
11:20 Workshop outcomes (Sanaz Rezaeian & All)
11:30 Adjourn
Participants:
1) Sanaz Rezaeian, 2) Jon Stewart, 3) Nico Luco, 4) Ting Lin, 5) Farzin Zareian, 6) Kuanshi Zhong, 7) Nenad Bijelic, 8) Wen-Yi Yen, 9) Jack Baker, 10) Jeff Bayless, 11) Caroline Holden, 12) Leo Ramirez Guzman (participants interested but not able to attend: Christine Goulet, Rob Graves, Iunio Iervolino, Greg Deierlein)
Meeting Notes:
Summarized the Feb 16 workshop and discussed the next steps
Engineers were interested in validation of simulations but their primary interest was demonstration of how simulations can be used in practice --> our group may want to do more demonstration exercises (especially for different simulation approaches)
Engineers were interested in a "vetted" set of simulations to be documented by Ting & Kuanshi and posted on the workshop website in the next month or so . The "vetted set" of simulations (11 time-series for 2 sites) that Jack Baker is working on might also be of interest to this group of engineers
It was suggested to keep in touch with potential engineering users of simulations through other engineering events, one example is the special session at the 11NCEE that SCEC is organizing (SEAOC meetings were mentioned specifically along with the upcoming LA Tall Buildings meeting that Nico and Farzin are attending http://www.tallbuildings.org/)
Action Items:
Keep in touch with the engineers: Once the vetted set of simulations are documented and posted, contact the engineers who attended the workshop and let them know of 1) the presentations and simulations that are available on the workshop website, and 2) the "follow-up" event at the 11NCEE organized by Christine Goulet
Put Jack Baker in contact with SCEC to distribute his "vetted" set of simulations to the same group of engineers
Write a SCEC report on the workshop: document the workshop through a conference paper (ICASP2019 conf paper was suggested as a good platform)
Earthquake ground motion simulations are one of the important products of SCEC. Convened by a subgroup of the GMSV TAG, this workshop aimed to connect scientists who create simulations with engineers who might use them in the future. The workshop objectives were to 1) engage potential engineering users of the SCEC simulations, 2) inform them of the latest developments in ground motion simulation and validation, and 3) demonstrate the usefulness of simulated ground motions for building response analysis.
See the workshop website for summary, agenda, participants, and presentations:
https://www.scec.org/workshops/2018/gmsv
Wednesday 10-11am Pacific Time
Agenda:
10:00 Introductions (Sanaz Rezaeian)
10:10 Implementing the inter-period correlation of epsilons in Exsim (Jeff Bayless)
10:30 SVM: A stochastic Sediment Velocity Model of the shallow crust based on geotechnical and geophysical data (Jian Shi on behalf of Domniki Asimaki)
10:50 Discuss the timing of future meetings (All)
Participants:
1) Sanaz Rezaeian, 2) Nico Luco, 3) Jon Stewart, 4) Ting Lin, 5) Farzin Zareian, 6) Jeff Bayless, 9) Jian Shi, 10) Paul Somerville, 11) Kim Olsen, 12) Jack Baker, 13) Kuanshi Zhong, 14) Philip Maechling, 15) Nenad Bijelic, 16) Fabio Silva
Meeting Notes:
Discussed the importance of inter-period correlations in simulations (they are related to how noisy the response spectrum is and how wide the peaks and trusts are, which could effect variability in structural response) and Jeff's plans for their implementation in the BBP EXSIM (SMSIM) and GP high frequency simulations (already implemented for GP low frequency simulations). We discussed that these correlations are related to Fourier Spectrum, unlike Jack Baker's study that considers Response Spectrum, the assumption being that if FS correlations are good then RS correlations will also be good. How to validate/evaluate the results is to be addressed in future.
Jian Shi talked about their Sediment Velocity Model (SVM), which is completed for 1D for shallow crust sediments (<Z1). Four datasets are merged in this model and the model is validated using exiting models (CVM, GTL, etc). Questions were asked about the model being conditioned on Vs30, which comes from the Wills maps etc. Further discussed their plans to use 1D SVM to populate 2D and 3D spaces.
Decided to hold future meetings on the 2nd or 3rd Wednesday of each month, take another poll to see if we should start at 10am or 11am.
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18161 | Ground Motion Simulation Validation (GMSV) Technical Activity Group (TAG) Workshop. Sanaz Rezaeian, Jonathan Stewart (Workshop Proposal)
17185 & 16110 Continuations | "Continuation of the Ground Motion Simulation Validation (GMSV) TAG in SCEC5 (17185)" Sanaz Rezaeian et al. & "A MultiPI Project on Demonstrations of the Efficacy of the BBP Validation Gauntlets for Building Response Analysis Applications (16110)". Nico Luco et al.
--> (Resulting in Feb 2018 workshop with Engineers)
18033 | Spatial correlations of amplitudes in CyberShake simulations: comparisons with empirical data. Jack Baker (Individual Proposal)
18136 | CyberShake Simulation Validation using Ground Motion Recordings. Jonathan Stewart (Individual Proposal, Data Gathering and Products)
Coordinated with 18141 | Organizational Meetings for the SCEC Utilization of Ground-Motion Simulations (UGMS) Committee. Thomas Jordan, C.B. Crouse, Christine Goulet (Workshop Proposal)
Coordinated with 18020 | Modeling shallow crustal nonlinearity in physics-based earthquake simulations: Beyond perfect plasticity. Domniki Asimaki, Ricardo Taborda, Doriam Restrepo (Collaborative Proposal) & with 18022 | A Technical Activity Group for the Coordination of SCEC5 Research Initiatives on Nonlinear Effects in the Shallow Crust. Domniki Asimaki, Ricardo Taborda (Collaborative Proposal)
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To talk about potential SCEC proposals for next year, Tuesday 4-5pm Pacific Time
Agenda:
4:00: Introductions (Sanaz Rezaeian)
4:10: Potential Proposals (10min presentations & discussions)
Jon Stewart: on Validation of Cybershake simulations using observations of site effects from small-to-moderate magnitude earthquakes
Jack Baker: on Spatial Correlation of ground motions in CyberShake simulations
Ting Lin / Greg Deierlein: on Using Cybershake motions for estimating large structural deformations and collapse / relating intensity measures to fault features and basin effects
Jeff Bayless: on Sensitivity of structural response to the variability of ground motion simulations
Kim Olsen: on Incorporating spatial correlation and coherency in the SDSU BBP module.
Sanaz Rezaeian: GMSV workshop at the SCEC Annual Meeting - focus on Cybershake
5:10: Adjourn
Participants:
1) Sanaz Rezaeian, 2) Nico Luco, 3) Jon Stewart, 4) Ting Lin, 5) Farzin Zareian, 6) Christine Goulet, 7) Hoby Razafindrakoto, 8) Jeff Bayless, 9) Ruth Harris, 10) Kim Olsen, 11) Jack Baker
The first SCEC5 GMSV TAG web-conference, Monday 2-3pm Pacific Time
Agenda:
2-2:10: Introductions (Sanaz Rezaeian)
2:10-2:30: Continuation of the Ground Motion Simulation Validation (GMSV) Technical Activity Group (TAG) in SCEC5 (Jon Stewart)
2:35-2:55: A MultiPI Project on Demonstrations of the Efficacy of the BBP Validation Gauntlets for Building Response Analysis Applications (Nico Luco)
Participants:
1) Sanaz Rezaeian, 2) Nico Luco, 3) Jon Stewart, 4) Luis Dalguer, 5) Nenad Bijelic, 6) Peng Deng, 7) Andreas Skarlatoudis, 8) Phil Maechling, 9) Marco Stupazzini, 10) Greg Deierlein, 11) Ricardo Taborda. Ting Lin joined towards the end after her class. Jack Baker, Christine Goulet, Ralph Archuleta, Caroline Holden were not able to make it, although interested.
Meeting Notes:
The next SCEC RFP is due in about a month, we need a coordinated set of proposals to address the two objectives of our TAG in the upcoming years: 1) validation for GMPEs (focusing on dispersion and correlation as well as the median predictions), 2) validation for specific engineering applications.
It was suggested to explore external sources of funding to be able to conduct a more focused and impactful project, similar to what Dreger-Goulet project did with PG&E for median GMPEs.
Luis brought up the possibility of joint international efforts.
For our next web conferences, Jon suggested to hear from speakers who have explored validation for 3D simulations such as CyberShake simulations. Phil mentioned a reference to Graves & Goulet study/report. Greg, Ting and Nenad also have done some related work.
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Continuation of the Ground Motion Simulation Validation (GMSV) TAG in SCEC5 (SCEC Award #17185). Sanaz Rezaeian, Jonathan Stewart
A MultiPI Project on Demonstrations of the Efficacy of the BBP Validation Gauntlets for Building Response Analysis Applications (started in SCEC4). Nico Luco et al.
Nonstationary ground motion spatial correlations in CyberShake simulations, and implications for regional risk analysis (SCEC Award #17058). Jack Baker
Selection of CyberShake Time Series for Engineering Building Code Analyses (SCEC Award #17056). Jack Baker
Physics-based scattering attenuation: Calibrating the correlation structure of a stochastic model for near-surface sediments in the Los Angeles basin (SCEC Award #17113). Domniki Asimaki
SDSU BBP Module Extension: Ground Motion Correlation, Duration, and Multi-Segment Ruptures (SCEC Award #17137). Kim Olsen
Implementing inter-period correlations into SCEC Broadband Platform simulations (SCEC Award #17138). Jeff Bayless, Paul Somerville, Andreas Skarlatoudis
Fourier-spectra based empirical site amplification modeling (SCEC Award #17149). Jeff Bayless, Paul Somerville, Andreas Skarlatoudis
Validation of the UCSB Multi-Segment Kinematic Rupture Simulation Method Against Recorded Ground Motion for Several Events (SCEC Award #17247). Ralph Archuleta, Jorge Crempien
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If you have a GMSV-related project that is not listed above please contact Sanaz at srezaeian@usgs.gov
http://collaborate.scec.org/gmsv/Main_Page