Getting Started with OpenSees -- Summary of Gravity Loads

• GettingStarted Manual
  • Introduction
  • Download OpenSees
  • Run OpenSees
  • Problem Definition
  • Model Builder
  • Nodes
  • Elements
  • Recorders
  • Summary of Model-Building Input File
  • Loads and Analysis
  • Gravity Loads
  • Summary of Gravity Loads
  • Lateral Loads -- Static Pushover
  • Lateral Loads -- Cyclic Lateral Load
  • Lateral Loads -- Dynamic ground motion

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The gravity loads can be placed into a file, called GravityLoads.tcl with the following commands:

pattern Plain 1 Linear {
  load 3 0.0 -2000 -168074
  load 4 0.0 -2000 168074
}

constraints Transformation
numberer RCM
system BandGeneral
test NormDispIncr 1.0e-6 6
algorithm Newton
integrator LoadControl 0.1
analysis Static

analyze 10
loadConst -time 0.0

This file can be sourced in after the example.tcl file:

source example.tcl
source GravityLoads.tcl

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