VolumeChangeEigenstrain

Source: models/solid_mechanics/kinematics/VolumeChangeEigenstrain.py

Define the (cumulative, as opposed to instantaneous) linear isotropic volume expansion eigenstrain, i.e. \(\boldsymbol{\varepsilon}_V = (\frac{V}{V0})^(1/3)-1 \boldsymbol{I}\), where \(V\) is the current volume, and \(V0\) is the reference (initial) volume.

Inputs

volume — input · Scalar · required

Volume

Outputs

eigenstrain — output · SR2 · required

Eigenstrain

Parameters

reference_volume — parameter · Scalar · required

Reference (initial) volume