Civil Engineering Reference
In-Depth Information
Equation
Model Summary
Parameter Estimates
R Square
F
df1
df2
Sig.
Constant
b1
b2
b3
Growth
.424
16.207
1
22
.001
1.804
.085
x
+ =+
(Exponential Equation)
y
=
ab or
log
a
x
log
b
a
a x
01
=+
x
(Expression Exponential Equation)
y
ab
g
Equation
Model Summary
Parameter Estimates
R Square
F
df1
df2
Sig.
Constant
b1
b2
b3
Exponential
.424
16.207
1
22
.001
6.076
.085
b
(Logarithmic Equation)
y
=
ax
or
log
y
=
log
a
+
b
log
x
=+
(Expression Logarithmic Equation)
b
y
ax
g
Equation
Model Summary
Parameter Estimates
R Square
F
df1
df2
Sig.
Constant
b1
b2
b3
Logistic
.424
16.207
1
22
.001
.165
.918
Research Field Tests Model (water pipeline of Rasht city in the north of Iran)
Software Hammer--Version 07.00.049.00
Type of Run: Full
Date of Run: 09/19/08
Time of Run: 04:47 am
Data File: E:\k-hariri Asli\daraye nashti.inp
Hydrograph File: Not Selected
Labels: Short
tABle 7.2
(a) System information preference, (b) Debug information.
(a)
ITEM
VALUE
Time Step (s)
Automatic
0.0148
User-Selected
n/a
Total Number
339
Total Simulation Time (s)
5.00
Units
cms, m
Total Number of Nodes
27
Total Number of Pipes
26
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