?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F37782%2F&rft.title=The+Model+Builder%3A+A+Multi-Fidelity+Structural+Modeling+Tool+for+Seismic+Hazard+Analysis&rft.creator=Hirata%2C+Amedeo&rft.creator=Stephens%2C+Max&rft.description=Earthquakes+affect+millions+of+people+across+the+earth.++Earthquakes+cause+billions+of+dollars+of+damage+and+hundreds+of+thousands+of+deaths+per+year.++For+these+reasons+that+seismic+resilience+is+a+field+of+immense+concern+for+government%2C+stakeholders+and+researchers.++As+the+field+of+earthquake+engineering+has+advanced%2C+higher+levels+of+analysis+have+been+developed%2C+both+in+terms+of+fidelity+and+complexity%2C+capable+of+capturing+complex+non-linear+structural+response.++However%2C+regional+assessment+frameworks%2C+which+estimate+structural+performance+at+regional+scale%2C+do+not+commonly+use+building-level+structural+modeling+to+capture+structural+response.+Many+of+these+frameworks+instead+use+a+fragility-based+approach+where+seismic+intensity+measures+(such+as+peak+ground+acceleration)+are+related+to+probabilistic+levels+of+damage.++The+fragility+functions+used+in+this+approach+are+based+on+the+response+of+structural+archetypes+such+as+a+steel+moment+frames+or+concrete+shear+walls.+Thus%2C+the+response+and+damage+estimations+generated+using+these+methodologies+are+not+that+of+the+actual+structure+in+question%2C+but+rather+that+of+an+archetypical+representation+of+the+structure.++While+this+approach+can+roughly+predict+the+dominant+characteristics+of+vulnerable+structures+subjected+to+seismic+hazards%2C+it+is+difficult+to+pinpoint+critical+deficiencies+for+immediate+retrofit+or+evacuation+and+inspection.++%0D%0AThe+objective+of+this+research+is+to+develop+a+framework+to+provide+building-specific+nonlinear+response+predictions+within+regional+structural+simulation.++First%2C+existing+regional+response+prediction+frameworks+for+natural+disasters+and+structural+analysis+are+introduced.+Next%2C+the+opensource+finite+element+analysis+software+OpenSeesPy+is+introduced+along+with+the+multi-fidelity+Model+Builder+tool+capable+of+rapidly+developing+building-level+structural+models+using+the+software.++This+software+uses+the+OpenSEES+framework+to+create+the+models%2C+apply+ground+motions%2C+and+assess+levels+of+damage+of+the+structural+system.++The+Model+Builder+was+then+validated+using+several+recorded+structural+response+histories.++Based+on+the+findings+here%2C+the+Model+Builder+can+be+applied+to+develop+models+for+regional+response+simulation.&rft.date=2020-01-28&rft.type=University+of+Pittsburgh+ETD&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F37782%2F1%2FHirata_Amedeo_Thesis_Model_Builder.pdf&rft.identifier=++Hirata%2C+Amedeo+and+Stephens%2C+Max++(2020)+The+Model+Builder%3A+A+Multi-Fidelity+Structural+Modeling+Tool+for+Seismic+Hazard+Analysis.++Master's+Thesis%2C+University+of+Pittsburgh.++++(Unpublished)++