Ideal Magnetohydrodynamics and Field Dislocation Mechanics
Fuente:
arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866914761027878912 |
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| author | Acharya, Amit |
| author_facet | Acharya, Amit |
| contents | The fully nonlinear (geometric and material) system of Field Dislocation Mechanics is reviewed to establish an exact analogy with the equations of ideal magnetohydrodynamics (ideal MHD) under suitable physically simplifying circumstances. Weak solutions with various conservation properties have been established for ideal MHD recently by Faraco, Lindberg, and Szekelyhidi using the techniques of compensated compactness of Tartar and Murat and convex integration; by the established analogy, these results would seem to be transferable to the idealization of Field Dislocation Mechanics considered. A dual variational principle is designed and discussed for this system of PDE, with the technique transferable to the study of MHD as well. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_07232 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Ideal Magnetohydrodynamics and Field Dislocation Mechanics Acharya, Amit Analysis of PDEs Materials Science Mathematical Physics The fully nonlinear (geometric and material) system of Field Dislocation Mechanics is reviewed to establish an exact analogy with the equations of ideal magnetohydrodynamics (ideal MHD) under suitable physically simplifying circumstances. Weak solutions with various conservation properties have been established for ideal MHD recently by Faraco, Lindberg, and Szekelyhidi using the techniques of compensated compactness of Tartar and Murat and convex integration; by the established analogy, these results would seem to be transferable to the idealization of Field Dislocation Mechanics considered. A dual variational principle is designed and discussed for this system of PDE, with the technique transferable to the study of MHD as well. |
| title | Ideal Magnetohydrodynamics and Field Dislocation Mechanics |
| topic | Analysis of PDEs Materials Science Mathematical Physics |
| url | https://arxiv.org/abs/2404.07232 |