Hi Steven,
In "meep.hpp" file the inverse of the mu tensor is set as
"invmu[NUM_FIELD_COMPONENTS][5]", where NUM_FIELD_COMPONENTS is equal to 20.
But the inverse of the mu has 9 elements, so I want to know how the "set_mu"
function restores the inverse of the mu with "invmu[NUM_FIELD_COMPONENTS][5]",
which is located in the line 198 of the "anisotropic_averaging.cpp" file.
Could you give me some tips? Thanks ahead!
regards,
Cai
在2008-11-11，"Steven G. Johnson" <[EMAIL PROTECTED]> 写道：
>On Nov 8, 2008, at 5:37 AM, Zheng Li wrote:
>>> ; define a new class medium
>>> (define-class medium material-type
>>> (define-property epsilon no-default 'number)
>>> (define-property mu no-default 'number)
>>> (define-property mu-tensor (matrix3x3 (vector3 1 0
>>> 0) (vector3 0 1 0)
>>> (vector3 0 0 1)) 'matrix3x3)
>
>You can't simply define a new class -- this is only the interface to
>the underlying solver. You also would need to modify the underlying
>simulation code to process the mu-tensor data and to use it in the
>simulation.
>
>(Actually, support for anisotropic mu is already in the time-stepping
>code, but you would still need to add code to use the mu-tensor to set
>the underlying anisotropic mu in the C++ class).
>
>Steven
>
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