BBP Release Planning

Feature list for BBP Release v19.1

• Updated Irikura 1 (multi-segment, 500m GF)
• Updated GP (multi-segment, 500m GF)
• Updated Olsen (multi-segment, 500m GF)
• Update Seok Goo Song (multi-segment, 500m GF)
• Updated Exsim (500m GF)
• New Irikura 2 method (single segment, 500m GF)
• All methods support site response module
  • Phased out correction coefficients for Part A validation events
• New Validation events, with observations (Parkfield, San Simeon, Iwata, Chewetsu)
• GF for Central California
• Consistent approaches to implementing multi-segment methods.
  • GP and SDSU - multi-seg method 1 (one src file per segment, timing in SRC,timing in SRF file, merge seismograms)
  • SGS, IR1 - multi-seg method 2 (one src file per segment, Rupture generator produces single SRF file, output single set of 3 component seismograms)
• Added script to calculate number of sims needed for convergence
• Added calculation of all 3 components RotD100 and RotD50
• Migrated batch scripts to use Slurm jobs

Changes Requiring More Time

• SDSU multi-segment changes (with updated GP method)
• UCSB multi-segment changes
• Updated Licensing statements in distribution
• Documentation on individual methods
• Migration to Python 3
• Development of CIG-level user documentation

Methods with Changes

1. Graves Pitarka - Multisegment (approved), 500m (approved)
   1. Pending - nothing
2. Olsen - Multisegment (approved), 500m (approved)
   1. Pending Review of method and new codes
3. Seok Goo Song - Multisegment (approved), 500m (in review)
   1. Pending - nothing
4. Irikura Recipe 1 - Multisegment (under review), 500m GF (approved)
   1. Pending - approval from AP
5. Irikura Recipe 2 - Single segment (approved), 500m GF (approved)
   1. Pending - nothing
6. UCSB - Multisegment (under review), 500m (in review)
   1. Pending - Multi-segment codes
7. Exsim - Single segment (approved), Parameter Changes 500m/s (in review)
   1. Pending - approval from Karin
8. Anderson - Single segment (in review, no 500m/s
   1. Pending - nothing