Robust MatLAB function for nonlinear-inelastic time-history analysis of SDOF oscillator subjected to multi-axial simultaneous excitation including horizontal, vertical and rotational motions. It also computes components of seismic input energy imparted to SDOF oscillator.
The main features are:
- Multi-axial excitation
- Material nonlinearity is presented by Ozdemir's rate-independent force-displacement model
- P-Delta (global level) is included
- Absolute and relative energy components computation
Differentiation function is adapted from Wang (1996).
Wang, L. J. (1996). Processing of Near-Field Earthquake Accelerograms, California Institute of Technology (unpublished), available at http://resolver.caltech.edu/CaltechEERL:1996.EERL‑96‑04
Questions? Contact: firstname.lastname@example.org
Dr. Erol Kalkan, P.E. (2021). NONLINEAR-INELASTIC MULTI-AXIAL TIME RESPONSE ANALYSIS OF SDOF OSCILLATOR (https://www.mathworks.com/matlabcentral/fileexchange/62989-nonlinear-inelastic-multi-axial-time-response-analysis-of-sdof-oscillator), MATLAB Central File Exchange. Retrieved .
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