基于深度学习的螺旋桨水动力性能快速预报方法
高楠, 胡安康, 侯立勋, 常欣
An Rapid Prediction Method for Propeller Hydrodynamic Performance Based on Deep Learning
GAO Nan, HU Ankang, HOU Lixun, CHANG Xin
表3
测试函数及其取值区间
Tab.3
Test functions and their value range
测试函数
公式
搜索维度
取值区间
理论最优值
f
1
f
(
x
)
=
∑
i
=
1
n
|
x
i
+
1
|
30
[-100, 100]
0
f
2
f
(
x
)
=
∑
i
=
1
n
[
100
(
x
i
+
1
-
x
i
2
)
2
+
(x
i
-
1
)
2
]
30
[-30, 30]
0
f
3
f
(
x
)
=
∑
i
=
1
n
|
x
i
|
+
∏
i
=
1
n
|
x
i
|
30
[-10, 10]
0
f
4
f
(
x
)
=
∑
i
=
1
n
|
x
i
+
0.5
|
2
30
[-100, 100]
0
f
5
f
(
x
)
=
∑
i
=
1
n
[
x
i
2
-
10
c
o
s
(
2
π
x
i
)
+
10
]
30
[-5
.
12, 5
.
12]
0
f
6
f
(
x
)
=
∑
i
=
1
n
|
x
i
s
i
n
x
i
+
0.1
x
i
|
30
[-10, 10]
0
f
7
f
(
x
)
=
418.9829
n
-
∑
i
=
1
n
x
i
s
i
n
|
x
i
|
30
[-500, 500]
0
f
8
f
(
x
)
=
∑
i
=
1
n
i
x
i
4
+
r
a
n
d
o
m
[
0,1
]
30
[-1
.
28, 1
.
28]
0