global numbering
DESCRIPTION
Element. Node. Element numbers. e. 1 2. 1. 2. 3. 4. local. 1. 1 2. 2. 1. 3. 4. 5. 2. 2 3. Global numbering. global. 3. 3 4. 4. 4 5. Local numbering. 1. 2. +X. u. v. v e ( x ). v e 2. v e 1. e. +X. 1. 2. +X. Unknown solution u ( x ). - PowerPoint PPT PresentationTRANSCRIPT
1 2 3 4
1
2
3 4 5Global numbering
Element numbers
Local numbering 1+X
2
Element Node
e
2 3
local
4
1
2
3
4 5
3 4
1 2
1 2
global
u v
e
1 2
ve2ve1
Unknown solution u(x)Approximate solution
v(x) = ve(x)
+X +X
ve(x)
ith element1 2
x = 0
+ Xxixi+1
x
= -1 = +1
hi
N v
1
0
N1N2
1 12 2
= -1 = -1 = +1 = 0 = +1
ve1
ve2