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This command is used to construct a SectionForceDeformation object, hereto referred to as Section, which represents force-deformation (or resultant stress-strain) relationships at beam-column and plate sample points.
What is a section?
• Elastic – defined by material and geometric constants
• Resultant – general nonlinear description of force-deformation response, e.g. moment-curvature
• Fiber – section is discretized into smaller regions for which the material stress-strain response is integrated to give resultant behavior, e.g. reinforced concrete
The valid queries to any section when creating an ElementRecorder are 'force' and 'deformation.'
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