Haghighi recall 1 d 1 2 j i s l s ni s 1 1 l s n

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Unformatted text preview: ns Alongi − j, L3 = 0 2h(b − s) 2A1 b−s s 2 L1 = = = = 1− 2bh 2A b b 2 2hs 2A 2 s =2= L2 = 2bh b 2A 2 Chapter 6 Page 10 K. Haghighi Recall 1-D 1 2 j i s L s Ni (s) = 1 − = 1 L s N j (s) = = 2 L Chapter 6 Page 11 K. Haghighi In terms of natural coordinates: Side 1 2 0 i→ j L1 L2 L3 j→k L2 L3 L1 k →i L3 L1 L2 i→k L1 L3 L2 Chapter 6 Page 12 K. Haghighi Any integral over the edge of a triangular element can be replaced by a line integral written in terms of s or 2 1 L ∫Γ f (L1 , L1 , L 3 ) dΓ = ∫0 g(s) ds = L ∫0 h( 2 )...
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This document was uploaded on 01/29/2014.

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