m*****u
发帖数: 1727 | | B********e
发帖数: 10014 | 2 if a,b,c>0,d<0
divides d，change variables to get laplacian,for instance,
x<----sqrt(A/D),etc
then it's all about Bessel potential
【在 m*****u 的大作中提到】
: 请看附件
: 大虾们多指教
| B********e
发帖数: 10014 | 3 wait a min
if it's homogeneous, you can just use fourier transform,
and most likely you will get u=0
【在 m*****u 的大作中提到】
: 请看附件
: 大虾们多指教
| m*****u
发帖数: 1727 | 4 thnaks a lot
【在 B********e 的大作中提到】
: wait a min
: if it's homogeneous, you can just use fourier transform,
: and most likely you will get u=0
| y******i
发帖数: 69 | 5 it should depend on your geometry, rectangle or a disk domain.
Separation of variables should work. |
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