ResponseSpectraElastic_处理振动台试验数据_源码

%RESPONSESPECTRAELASTIC to calculate elastic response spectra % spectra = ResponseSpectraElastic(accel,dt,mass,zeta,T,method) % spectra = ResponseSpectraElastic(accel,dt,mass,zeta,Tmin,Tmax,numT,method) % % spectra : data structure with spectra information % .pga : peak ground acceleration % .mass : mass % .zeta : damping ratios % .T : periods % .f : frequencies % .dsp : displacements % .vel : velocities % .acc : relative accelerations % .totAcc : total accelerations % .psdVel : pseudo velocities % .psdAcc : pseudo accelerations % .resDsp : residual displacements % .iFrc : inertia forces % .dFrc : damping forces % .rFrc : resisting forces % accel : input acceleration vector % dt : time increment of input acceleration values % mass : mass of the 1-DOF system % zeta : vector of damping ratios % T : vector of period values % Tmin : minimum period % Tmax : maximum period % numT : number of period values % method : integaration method (optional, default = 'recform') % 'recform' : recurrence formulas % 'newmark' : newmark time integration with beta = 0.25 and gamma = 0.5 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% OpenSees Navigator %% %% Matlab Engineering Toolbox for Analysis of Structures using OpenSees %% %% %% %% Andreas Schellenberg & Tony Yang %% %% [email protected], [email protected] %% %% %% %% Department of Civil and Environmental Engineering, UC Berkeley %% %% (C) Copyright 2004, The Regents of the University of California %% %% All Rights Reserved %% %% %% %% Commercial use of this program without express permission of the %% %% University of California, Berkeley, is strictly prohibited. %% %% See Help -> OpenSees Navigator Disclaimer for information on %% %% usage and redistribution, and for a DISCLAIMER OF ALL WARRANTIES. %% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % $Revision: 421 $ % $Date: 2011-07-08 13:52:30 -0700 (Fri, 08 Jul 2011) $ % $URL: svn://peer.berkeley.edu/usr/local/svn/OpenSeesNavigator/trunk/ResponseSpectra/ResponseSpectraElastic.m $ % % See also RESPONSESPECTRAELASTIC2DOF, RESPONSESPECTRAINELASTIC, RESPONSESPECTRAFPS