Introduction to OpenSees for beginners - Nonlinear modeling of steel moment frames

This video covers an introduction to OpenSees as well as a full example for the nonlinear modeling of a 2-dimensional steel moment frame using the concentrated plasticity approach.

Time markers:
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00:00:00 Introduction
00:00:10 OpenSees Installation
00:08:50 Frame idealization
00:08:50 OpenSees file organization
00:27:45 Defining modeling space and geometric transformation
00:32:50 Sourcing subroutines
00:36:00 Defining input variables
00:40:00 Defining grid and main nodes
00:29:25 Defining rigid link elements
01:05:25 Defining elastic beam-column elements
01:09:18 Defining zero-length plastic spring elements and nonlinear uniaxial material
01:34:20 Defining boundary conditions
01:49:50 Defining recorders
01:53:35 Defining mass
01:55:35 Eigen analysis
01:59:10 Defining gravity loads
02:03:15 Defining pushover analysis
02:12:00 Running the model

Download tutorial files here:
https://drive.google.com/file/d/135nC...

Useful open source software for generating and running tcl files for steel frame buildings:
   • FM-2D