Environmental Engineering Reference
In-Depth Information
The second derivatives are obtained by taking (E.1)-(E.4) and deriving them
according to the following terms:
⎡
⎣
⎤
⎦
θ
k
θ
k
θ
m
θ
k
τ
θ
k
|
V
k
|
θ
k
|
V
m
|
θ
k
|
t
|
θ
m
θ
k
θ
m
θ
m
τ
θ
m
|
V
k
|
θ
m
|
V
m
|
θ
m
|
t
|
τθ
k
τθ
m
τ
2
τ
|
V
k
|
τ
|
V
m
|
τ
|
t
|
(E.5)
2
|
V
k
|
θ
k
|
V
k
|
θ
m
|
V
k
|
τ
|
V
k
|
|
V
k
||
V
m
||
V
k
||
t
|
2
|
V
m
|
|
V
m
|
|
V
m
|
|
V
m
||
V
k
|
|
V
m
|
|
V
m
||
|
θ
k
θ
m
τ
t
2
|
t
|
θ
k
|
t
|
θ
m
|
t
|
τ
|
t
||
V
k
|
|
t
||
V
m
|
|
t
|
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