The OpenSees Community

Hey there, The command should be as follows: eleResponse(elemTag, 'section', 'fiber', locY, locZ, response). Just remove the hyphen (-) in argument identifier strings and it works just fine. See the code below. section_ss = ops.eleResponse(1, 'section', '1', 'fiber', '-1.0', '0.0', 'stressStrain') p...