# 使用分配罚款来分配用水

## **创建新模型**

使用以下模板创建一个名为练习 1a 的新网络：

#### Pywr 子模板 v1（3 月 2021）-以 mm3/天为单位的流量单位

<figure><img src="/files/vAamsaGhQP6VZKFr3ft6" alt=""><figcaption></figcaption></figure>

按照此处的说明进行操作，提醒您如何设置模型：

## **设置时间范围**

此步骤对于所有网络来说都是必需的，因为它定义了仿真的开始、结束和时间步。在本示例中，我们将使用每日时间步长配置 1 年的仿真期限。

<figure><img src="/files/OKujEp4Ii8aEDxRL3PYl" alt=""><figcaption></figcaption></figure>

要提醒如何创建项目和新网络，请单击 [这里](https://water-strategy.gitbook.io/water-strategy/getting-started/creating-a-new-project-and-network)。


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