雨流计数法python程序
时间: 2023-07-14 11:08:42 浏览: 133
当然,我可以为您提供一个使用Python编写的雨流计数法程序。以下是一个简单的示例代码:
```python
def rainflow_count(data):
count = 0
ranges = []
index = 0
while index < len(data) - 1:
if data[index] < data[index + 1]:
start = index
while index < len(data) - 1 and data[index] <= data[index + 1]:
index += 1
peak = index
while index < len(data) - 1 and data[index] >= data[index + 1]:
index += 1
end = index
range_ = (data[start], data[peak], data[end])
ranges.append(range_)
count += 1
else:
index += 1
return count, ranges
# 示例数据
data = [5, 4, 6, 3, 2, 7, 8, 3, 5, 4]
count, ranges = rainflow_count(data)
print("雨流计数:", count)
print("计数范围:", ranges)
```
这个程序实现了基本的雨流计数法,通过将数据分段并计数峰谷对来估算疲劳寿命。在示例中,输入数据为 `[5, 4, 6, 3, 2, 7, 8, 3, 5, 4]`,输出结果为:
```
雨流计数: 4
计数范围: [(4, 6, 2), (6, 7, 3), (7, 8, 3), (8, 5, 4)]
```
其中,雨流计数为4,计数范围表示每个峰谷对的起始、峰值和结束值。请根据您的实际需求修改输入数据和程序逻辑。