Midas gen russian seismic code
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This tool is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Seismic Analysis midas Civil Dynamic Analysis Seismic Analysis The seismic analysis is a part of the structural analysis and the calculation of the response of a structure to earthquakes. I'm also currently working on a Python version of this tool. If you have any recommendation for new features (especially a new name, and a cool logo, please!), don't hesitate in sharing them with us. Since then, every year I've implemented some minor modifications. Originally, I developed this tool on 2015 for the course CEE385-Performance Based Earthquake Engineering (as its TA), thought by Professor Eduardo Miranda at Stanford.
Midas gen russian seismic code series#
Time history series of IDR and story restoring force.Max and Min values of displacement, interstory displacement, interstory drift ratio (IDR), residual interstory displacement, residual IDR, absolute velocity, interstory velocity, total acceleration, and story restoring force of each floor, during every ground motion.The user can export different outputs from THAMDOF: It is also capable of producing a video of the structural response under a given ground motion. THAMDOF provides visualization of several responses. Scale every ground motion in order to obtain the scale factor that results in collapse (in this option, scale factors speficied at the input file are neglected).Analyzing every ground motion at the specified scale factor.
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On the other hand, if the number of points specified in the fourth row is lower than the number of acceleration points in the time series, the record is trimmed to match the specified number of points. This is particularly useful, for example, for correctly estimating residual deformations. If the number of points specified in the fourth row is greater than the number of acceleration points in the time series, zeros are padded at the end of the record to match the specified number of points. The name of each ground motion is at the first row, the number of points at the second row, the time-step (dt) at the third row, the scale factor at the fourth row, and the acceleration time series (in ) is from the fifth row to the end. An example of this file is provided for reference. The user inputs the set of ground motion records to be analyzed and their scale factor through a. The user inputs the model information through a. Each story's lateral hysteretic model consists in a tri-linear model. THAMDOF uses a shear-building lumped-mass model of the MDOF system, with masses lumped at the floor levels.
Midas gen russian seismic code code#
Here you will find the source code and a standalone executable version. The solution algorithm is the Newmark's constant acceleration method, with Newton-Raphson iterations (Chopra 4th Edition, Table 16.3.3). THAMDOF is an educational Matlab GUI for performing simplified nonlinear time history analyses (THA) of multiple-degrees-of-freedom (MDOF) systems. Time History Analysis of MDOF systems: THAMDOF