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geoffxiao / Phase-Field-Modeling

Matlab Implementation of Landau-Ginzburg Phase Field Model
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Add flexoelectricity part? #1

Open xiaofeibai opened 5 years ago

xiaofeibai commented 5 years ago

Hi geoffxiao,

Thanks for your contribution for the phase field modeling of ferroic materials. It's very interesting and very useful for me. Because my subject is about the domain and domain wall of ferroelectric materials. But I have not so much mathemetical foundation, so your matlab code is very useful for me. Thanks again. But I would like to ask you is it possible to add the flexoelectricity part in your phase field modeling? here is a reference: https://doi.org/10.1063/1.4905837. I do the same experiment, but I want to use phase field method to compare with the experiment results.

Thanks in advance.

Xiaofei

geoffxiao commented 5 years ago

Hello,

Unfortunately I am no longer working on this project and do not have the time to support further code development. However, I encourage you to add in the equation for flexoelectricity yourself. I think a good plan would be to follow the derivations I laid out for the other energy densities and apply that plan to the flexoelectricity term. The following PhD thesis is also a very good guide to implementing flexoelectric energy: https://etda.libraries.psu.edu/files/final_submissions/10252.

Hope this helps, Geoffrey Xiao

On Wed, Jun 5, 2019 at 9:09 AM xiaofeibai notifications@github.com wrote:

Hi geoffxiao,

Thanks for your contribution for the phase field modeling of ferroic materials. It's very interesting and very useful for me. Because my subject is about the domain and domain wall of ferroelectric materials. But I have not so much mathemetical foundation, so your matlab code is very useful for me. Thanks again. But I would like to ask you is it possible to add the flexoelectricity part in your phase field modeling? here is a reference: https://doi.org/10.1063/1.4905837. I do the same experiment, but I want to use phase field method to compare with the experiment results.

Thanks in advance.

Xiaofei

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xiaofeibai commented 5 years ago

Many thanks, Geoffrey. I will try to implement the code according to the other energy density function.

Xiaofei