HighF v14.12
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High-F 14.12 Verification and Validation Exercise
This page collects information about a proposed high frequency verification and validation exercise. Planning started in Dec 2014.
Agreements Needed
- Simulation Volumes
- Rotation Angle
- Projections used
- Points per wavelength used
- Number and location of sites used for ground motion comparison
- Proposed Station List to save results
- La Habra Point Source parameters
- Currently available code capabilities in GPU codes
- small scale heterogeneities
- FDQ
- Plasticity
- dynamic rupture source
- V and V exercise stages - need to be reviiewed and approved
Station Lists
Source Description
- Time domain Plot of Select Source
- Data File For 5Hz Plot
- Source Frequency Domain Plot w/ and w/o Filtering
Volume
The four corners are:
- -119.288842 34.120549
- -118.354016 35.061096
- -116.846030 34.025873
- -117.780976 33.096503
Volume size:
- 180,000 m x 135,000 m x 61,875 m = 1.503e15 m3
Simulation Box / Velocity Model
| Parameter | Value | Notes |
|---|---|---|
| Dimensions (km) | 180 x 135 x 61.875 (31 km for 1d Model) | |
| Bounding Box (LL) | -119.288842 34.120549, -118.354016 35.061096, -116.846030 34.025873, -117.780976 33.096503 | |
| Rotation Angle | 39.9 | |
| UCVM Version | 14.3.0 | No heterogeneities |
| Velocity Model Versions | CVM-S4v26 | |
| Miniumum Vs | 500 m/s | |
| Samples per wavelength | 6 to 7 - AWP | 10 to 12 - Hercules |
Point Source Parameters
| Parameter | Value | Notes |
|---|---|---|
| Event Name | La Habra | |
| Mw | 5.1 | Ref: http://www.scsn.org/2014lahabra.html |
| Origin Time | 2014/03/29 04:09:42.97 | Source: En-Jui |
| Origin Location | -117.930; 33.922; 5.0km | Source: En-Jui |
| Strike/Dip/Rake 1 | 134/55/155 | Source: En-Jui, initial |
| Strike/Dip/Rake 2 | 239/70/38 | Source: En-Jui, based on review of aftershock sequence |
| Rise Time | 0.75 s |
Solver Parameters
| Parameter | Value | Notes |
|---|---|---|
| Frequency | 4.0 Hz | |
| Simulation Length (Duration) | 100 s | |
| Delta T | 0.005 | |
| Plane Output Resolution | 250m | |
| I/O Print Rate | every 10 steps | |
| Station List | TBD | |
| Software Version | TBD |
High-F VandV Exercise Planning Documents (2015)
High-F Project Plan (2012)
References Used
- Taborda, R. and J. Bielak (2013). Ground-motion simulation and validation of the 2008 Chino Hills, California, earthquake, Bull. Seismol. Soc. Am. 103, no. 1, 131–156, doi 10.1785/0120110325.
