Comments (3)
Hi, those 3 properties can be used in Fidimag. For the Zhang-Li STT you can set a function for the current. In the case of anisotropy, you can also pass a space dependent function to define the anisotropy vectors (in your case you would have to compute the radial direction as function of space, which should be straightforward.
And regarding DMI, you have the choice of interfacial, bulk and D_2d group symmetry DMI. You can also define your own DMI by implementing the finite difference version of the DMI term.
The doctrings in the corresponding energy terms in https://github.com/computationalmodelling/fidimag/tree/master/fidimag/micro might be of help. For STT, check the llg_stt
file.
To set a specific driver, when creating a simuation yo do something like sim = fidimag.micro.Sim(mesh, driver='llg_stt')
and then set the current functions as sim.driver.jx = ...
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That is great, by chance do you know for which mesh size it is recommended to perform an atomistic simulation?,
Thanks you
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That depends on the material you are analysing, the magnetic structures you are studying and the memory available in your machine. In an atomistic simulation you have a lattice spacing of a few Angstrom, thus you can do the maths to check how many atomic positions you need for a system of a few nanometres or larger in size.
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Related Issues (20)
- Import Error - can`t find common_clib HOT 2
- 'LLG' object has no attribute 'driver' HOT 7
- run simulations outside of docker container
- Problems finding examples HOT 2
- example about atomistic simulation HOT 8
- No change in TimeZeeman in V3.0 HOT 2
- docker startup problem HOT 11
- Make issue HOT 4
- Launch Binder Error HOT 2
- Update to modern SUNDIALS HOT 4
- Port to GitHub actions
- CUDA Support HOT 1
- Problems of spatially varying DMI HOT 7
- Error with DMI energy in atomistic simulation
- set the number of cores used in the simulation. HOT 9
- Custom DMI term not calculating energy HOT 8
- install HOT 3
- Installation issue (make) HOT 3
- FIX: Build Issue on MacOS HOT 15
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