Elastic

Description

The Elastic material is a model of linear, one-dimensional constitutive response that can be used anywhere a UniaxialMaterial object is expected in OpenSees. By default the Elastic material has the same stiffness in tension and compression, but different stifnesses can be specified. In addition to static behavior, the model includes an optional linear viscous damping parameter.

Syntax

ops.uniaxialMaterial('Elastic',tag,E)
ops.uniaxialMaterial('Elastic',tag,E,eta)
ops.uniaxialMaterial('Elastic',tag,E,eta,Eneg)

Parameters

tag : integer Unique material identifer
E : float Elastic modulus

Optional Parameters

eta : float Damping modulus
Eneg : float Elastic modulus in compression

Examples

# Elastic material with modulus 29000
ops.uniaxialMaterial('Elastic',1,29000)

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