OpenSeismoMatlab

Software for strong ground motion data processing

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Contents

Help
Examples
Verification
Copyright

Help

Help section of the OpenSeismoMatlab functions

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Baseline correction of acceleration time history

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Bilinear kinematic hysteretic model with elastic viscous damping

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Constant Ductility Response Spectra

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Constant Strength Response Spectra

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Dynamic Response History Analysis

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Fourier amplitude spectrum

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Fast Finite Fourier Transform

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Reproduce signal with half time step

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Incremental Dynamic Analysis

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Inverse Fast Finite Fourier Transform

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Linear Elastic Response Spectra

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Linear Implicit Dynamic Analysis

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Non Linear Implicit Dynamic Analysis of a BiLinear KINematic hardening hysteretic structure with elastic damping

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OpenSeismoMatlab.m

Seismic parameters and processing of an acceleration time history

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Pulse decomposition of a velocity time history

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Rigid Plastic Sliding Response Spectra

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Examples

Examples of various OpenSeismoMatlab applications

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example_baselineCorr

Perform baseline correction

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Calculate constant ductility response spectra of an artificially generated acceleration time history

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example_Constant_ductility_response_spectra

Calculate constant ductility response spectra of a suite of ground motions

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example_Fourier_spectra

Calculate Fourier spectra of a suite of ground motions

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example_general

Test all functionalities of OpenSeismoMatlab in a single script

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Calculate linear elastic response spectra of an artificially generated acceleration time history

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example_Linear_elastic_response_spectra.m

Calculate the linear elastic response spectra of an earthquake suite

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Pulse decomposition of a velocity time history

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Calculate rigid plastic sliding response spectra

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example_Spectra_comparison_1.m

Comparison of elastic and constant ductility response spectra for mu=1

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example_Spectra_comparison_2.m

Comparison of constant ductility response spectra for mu=2

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Verification

Validation of OpenSeismoMatlab results against the literature

verification_CDRS

Verification of a constant ductility response spectrum

Reference: Chopra (2020)

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verification_CSRS1

Verification of a constant strength response spectrum

Reference: Tena-Colunga, A. (1999)

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verification_CSRS2

Verification of a constant strength response spectrum

Reference: Tena-Colunga, A. (1999)

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verification_DRHA

Calculate linear dynamic response of a MDOF shear building

Reference: Chopra (2020)

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verification_filter1

Verify the high pass Butterworth filter of OpenSeismoMatlab

Reference: Boore (2005)

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verification_filter2

Verify the low- and high- pass Butterworth filter of OpenSeismoMatlab

Reference: Graizer (2012)

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verification_Fourier_spectrum1

Verify the Fourier amplitude spectrum of the San Fernando earthquake (1971) - Component N11E

Reference: California Institute of Technology, EERL (1974)

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verification_Fourier_spectrum2

Verify the Fourier amplitude spectrum of the San Fernando earthquake (1971) - Component N79W

Reference: California Institute of Technology, EERL (1974)

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verification_IDA1

Verify the incremental dynamic analysis for an acceleration time history with given duration D_5_75 and spectral acceleration

Reference: Mashayekhi et al. (2020)

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verification_IDA2

Verify the incremental dynamic analysis for an earthquake suite

Reference: Deng et al. (2017)

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verification_IDA3

Verify the incremental dynamic analysis for the Loma Prieta earthquake (1989)

Reference: Vamvatsikos & Cornell (2002)

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verification_IDA4

Verify the incremental dynamic analysis bias due to fitting of the capacity curve of a SDOF system with an elastoplastic bilinear fit according to FEMA-440

Reference: De Luca et al. (2011)

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verification_LIDA

Calculate the dynamic response of a linear SDOF oscillator

Reference: Chopra (2020)

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verification_LIDA_NLIDABLKIN

Compare the output of LIDA.m and NLIDABLKIN.m for a linear SDOF oscillator in terms of seismic input energy per unit mass.

Reference: None

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verification_NLIDABLKIN

Verify the energy time history of SDOF oscillator

Reference: Chopra (2020)

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verification_NLIDABLKIN2

Verify the energy time histories of a nonlinear SDOF oscillator

Reference: Uang, C. M., & Bertero, V. V. (1990)

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verification_NLIDABLKIN3

Verify the strength ductility relation of an elastoplastic system

Reference: Mahin, S. A., & Lin, J. (1983)

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verification_PulseDecomp1

Verify the extraction of the velocity pulse of a strong motion velocity time history

Reference: Baker, J. W. (2007)

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verification_PulseDecomp2

Verify the extraction of the velocity pulses of a strong motion velocity time history and sum them to reconstruct the original ground motion

Reference: Shahi, S. K., & Baker, J. W. (2014)

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verification_SIH1952

Calculate the spectral intensity as defined by Housner (1952)

Reference: Housner, G. W. (1952)

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verification_SRS1

Calculate the rigid plastic sliding response spectrum

Reference: Garini, E., & Gazetas, G. (2016)

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verification_SRS2

Calculate the rigid plastic sliding response spectrum

Reference: Paglietti, A., & Porcu, M. C. (2001)

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Copyright

Copyright (c) 2018-2023 by George Papazafeiropoulos

Major, Infrastructure Engineer, Hellenic Air Force
Civil Engineer, M.Sc., Ph.D.
Email: gpapazafeiropoulos@yahoo.gr