++++ ++++ ++++ ++++ ++++
Concept Question
++++ ++++ ++++ ++++ ++++
1 2 3 4 5 6 7 8 9 10 11 12 ???U U U U U U U U U U U U
???
e=1 e=2 e=3 e=4 e=5 e=6
U U U1 2 32 2 2 U U U1 2 34 4 4 U U U1 2 34 4 4
U U U1 2 34 4 4U U U1 2 33 3 3U U U1 2 31 1 1
The correct global/local node mapping for the quadratic
element mesh in the ?gure is:
1. U
1
e
= U
2e?1
, U
2
e
= U
2e
, U
3
e
= U
2e+1
,
2. U
i
e
= U
3e+i?17
3. U
i
e
= U
2e+i?2
? ++++ Statement (1)
? ++++ Statements (1) and (3)
? ++++ Statement (2)
? ++++ Statement (3)
? ++++ DKDU
The correct answer is ++++