Source code for openquake.hazardlib.gsim.stewart_2016_vh

# -*- coding: utf-8 -*-
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"""
Module exports :class:`StewartEtAl2016VH`,
               :class:`StewartEtAl2016RegCHNVH`,
               :class:`StewartEtAl2016RegJPNVH`,
               :class:`StewartEtAl2016NoSOFVH`,
               :class:`StewartEtAl2016RegCHNNoSOFVH`,
               :class:`StewartEtAl2016RegJPNNoSOFVH`,
"""
from openquake.hazardlib.gsim import (
    bozorgnia_campbell_2016_vh, boore_2014, stewart_2016)
from openquake.hazardlib import const
from openquake.hazardlib.imt import PGA, PGV, SA


[docs]class StewartEtAl2016VH(bozorgnia_campbell_2016_vh.BozorgniaCampbell2016VH): """ Implements the SBSA15b GMPE by Stewart et al. (2016) vertical-to-horizontal ratio (V/H) for ground motions from the PEER NGA-West2 Project. This V/H model is combined from SBSA15 by Stewart et al. (2016) as the vertical model, and BSSA14 by Boore et al. (2014) as the horizontal model. Note that this is a more updated version than the GMPE described in the original PEER Report 2013/24. Reference: Stewart, J., Boore, D., Seyhan, E., & Atkinson, G. (2016). NGA-West2 Equations for Predicting Vertical-Component PGA, PGV, and 5%-Damped PSA from Shallow Crustal Earthquakes. Earthquake Spectra, 32(2), 1005-1031. """ VGMPE = stewart_2016.StewartEtAl2016() HGMPE = boore_2014.BooreEtAl2014() #: Supported tectonic region type is active shallow crust; see title. DEFINED_FOR_TECTONIC_REGION_TYPE = const.TRT.ACTIVE_SHALLOW_CRUST #: Supported intensity measure types are spectral acceleration, #: peak ground velocity and peak ground acceleration; see title. DEFINED_FOR_INTENSITY_MEASURE_TYPES = {PGA, PGV, SA} #: Supported intensity measure component is the #: :attr:`~openquake.hazardlib.const.IMC.VERTICAL_TO_HORIZONTAL_RATIO` DEFINED_FOR_INTENSITY_MEASURE_COMPONENT = ( const.IMC.VERTICAL_TO_HORIZONTAL_RATIO) #: Supported standard deviation types are inter-event, intra-event #: and total; see the section for "Aleatory Variability Model". DEFINED_FOR_STANDARD_DEVIATION_TYPES = { const.StdDev.TOTAL, const.StdDev.INTER_EVENT, const.StdDev.INTRA_EVENT} #: Required site parameters are taken from the V and H models REQUIRES_SITES_PARAMETERS = ( VGMPE.REQUIRES_SITES_PARAMETERS | HGMPE.REQUIRES_SITES_PARAMETERS) #: Required rupture parameters are taken from the V and H models REQUIRES_RUPTURE_PARAMETERS = ( VGMPE.REQUIRES_RUPTURE_PARAMETERS | HGMPE.REQUIRES_RUPTURE_PARAMETERS) #: Required distance measures are taken from the V and H models REQUIRES_DISTANCES = ( VGMPE.REQUIRES_DISTANCES | HGMPE.REQUIRES_DISTANCES)
[docs]class StewartEtAl2016RegCHNVH(StewartEtAl2016VH): """ This class implements the Stewart et al. (2016) V/H model considering the correction to the path scaling term for High Q regions (e.g. China) """ VGMPE = stewart_2016.StewartEtAl2016(region='CHN') HGMPE = boore_2014.BooreEtAl2014HighQ()
[docs]class StewartEtAl2016RegJPNVH(StewartEtAl2016VH): """ This class implements the Stewart et al. (2016) V/H model considering the correction to the path scaling term for Low Q regions (e.g. Japan) """ VGMPE = stewart_2016.StewartEtAl2016(region='JPN') HGMPE = boore_2014.BooreEtAl2014LowQ()
[docs]class StewartEtAl2016NoSOFVH(StewartEtAl2016VH): """ The Stewart et al. (2016) V/H GMPE can consider the case in which the style-of-faulting is unspecified. In this case the GMPE is no longer dependent on rake. """ VGMPE = stewart_2016.StewartEtAl2016(sof=False) HGMPE = boore_2014.BooreEtAl2014NoSOF()
[docs]class StewartEtAl2016RegCHNNoSOFVH(StewartEtAl2016RegCHNVH): """ The Stewart et al. (2016) V/H GMPE, implemented for High Q regional datasets, (e.g. China) for the case in which the style-of-faulting is unspecified. In this case the GMPE is no longer dependent on rake. """ VGMPE = stewart_2016.StewartEtAl2016(region='CHN', sof=False) HGMPE = boore_2014.BooreEtAl2014HighQNoSOF()
[docs]class StewartEtAl2016RegJPNNoSOFVH(StewartEtAl2016RegJPNVH): """ The Stewart et al. (2016) V/H GMPE, implemented for Low Q regional datasets, (e.g. Japan) for the case in which the style-of-faulting is unspecified. In this case the GMPE is no longer dependent on rake. """ VGMPE = stewart_2016.StewartEtAl2016(region='JPN', sof=False) HGMPE = boore_2014.BooreEtAl2014LowQNoSOF()