PP Presentation
Analysis Context
-55 C
o
125 C
o
1/day
799 cycles
R110
PWA
#95145
Solder Joint Thermomechanical Fatigue Model
W
c
T
ss
T
sj
solder
solder joint
[2.2]
[2.2]
[2.1]
[2.2]
[2.1]
[2.1]
[2.2]
Strain Model: [1.x]
Fatigue Model
r
1
Thermal Model [2.2]
[2.2]
[2.2]
w
c
T
s
T
c
T
o
Occurrence
Deformation
Model
Dg
sj
Component
Dg
sj
T
c
T
s
pwb @
T
PWA
Thermal Model
T
a
w
pwa
w
c
T
c
T
pwb
( )
j
j
w
c
w
c
w
pwa
T
o
b
c
E
De
f
T
De
e
De
p
N
f
Coffin-Manson
-dependent
f,T
s
Model
e
Product Entities
Analysis Entities
Options
1.1 Extensional Model
2.1 Thermal Cycling
Optimization Agent
Max Nf(h)
subject to
X(h)
X
N
f
Max Nf(h,mat)
subject to
X(h,mat
)
Max F(x)
subject to
gi(x)
h(x)
X
Analysis Results
Analysis Inputs
New Focus
Integration of PBAM and Optimization Agent
Analysis Model-PBAM
Design variable diversity
Obj. and Constraint Func. Variation