Understanding the Strain Tensor Component: Physical Meaning of d'_{ijk}E_{k}

sol66
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There's this equation e_{ij} = \alpha_{ij}\DeltaT + d'_{ijk}E_{k} + Q'_{ijk}H_{k} + s_{ijkl} Sigma_{kl}, which is the strain tensor I'm asking about. All I want to know is what the component d'_{ijk}E_{k} is called and what its physical meaning is. Thanks in advance
 
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It would be nice if you could define your variable, if possible, but since \bold{E} typically refers to an electric field, I'm guessing it's http://en.wikipedia.org/wiki/Electrostriction" ).
 
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Thanks, I'm sorry but I would define the variables if I could. The variables weren't defined for me either.
 
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