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lnk August 28, 2012 14:46

Question about FEM
 
Hi everyone,

May I ask why if I use 1D Laplace equation as weighting function on equidistant grid, it will be same as FDM with the centered-difference scheme?

Best,
lnk

FMDenaro August 28, 2012 14:57

Quote:

Originally Posted by lnk (Post 379162)
Hi everyone,

May I ask why if I use 1D Laplace equation as weighting function on equidistant grid, it will be same as FDM with the centered differential scheme?

Best,
lnk

because second order FD on equidistant grid can be seen as particular form of FEM ...


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