Chord Rotation and Plastic Rotation

[mahesh]

I am new to Opensees and working on 3D model of RC structures, chord rotation and plastic rotation recorder opinion for Beamcolumn element giving me 6 output values for each element. What this six quantities represents and which Dof shall be considered as a plastic rotation of the section

[walkerm]

hi! I also have this question. I have however found this:

// chord rotation –

} else if (strcmp(argv[0],”chordRotation”) == 0 || strcmp(argv[0],”chordDeformation”) == 0

|| strcmp(argv[0],”basicDeformation”) == 0) {

output.tag(“ResponseType”,”eps”);

output.tag(“ResponseType”,”theta1″);

output.tag(“ResponseType”,”theta2″);

theResponse = new ElementResponse(this, 3, Vector(3));

// plastic rotation –

} else if (strcmp(argv[0],”plasticRotation”) == 0 || strcmp(argv[0],”plasticDeformation”) == 0) {

output.tag(“ResponseType”,”epsP”);

output.tag(“ResponseType”,”theta1P”);

output.tag(“ResponseType”,”theta2P”);

theResponse = new ElementResponse(this, 4, Vector(3));

Hope that helps a little!

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