CE595: Finite Elements in Elasticity
Amit H. Varma, and Tim Whalen
Purdue University
School of Civil Engineering
Behavior of Plates
The behavior of plates is similar to that of beams. They
both carry
Section 3: Implementation of Finite Element
Analysis the Constant Strain Triangle
1. Fundamental Concepts
2. Element Formulation
3. Assembly
4. Convergence and Other Issues
5. Examples
Will illustrate
Section 4: Implementation of Finite Element
Analysis Other Elements
1. Quadrilateral Elements
2. Higher Order Triangular Elements
3. Isoparametric Elements
ImplementationofFEA:
OtherElements
1
Section
Section 2: Finite Element Analysis Theory
1. Method of Weighted Residuals
2. Calculus of Variations
Two distinct ways to develop the underlying
equations of FEA!
FEATheory
1
Section 2: FEA Theory
Som
@
E xa m y&:
?
',*
n =
ti- We
g,'
.
fL f -o
L
= z e- [cfw_,^")"rr-"+? cfw_n\'* = I Er cfw_- z I
: I f* ErC,')")F6'\'- q'*)e e V
(t
+(*^ x
I
L\
J
o
5n =
J
[
r.6 t d4 * L '5 * " ?u"
+EI u"*du
,t frl
L
p