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【Hackathon 7th PPSCI No.8】NO.8 A physics-informed diffusion model for high-fidelity flow field reconstruction 论文复现 #955

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@AI1LJW AI1LJW commented Sep 11, 2024

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…fidelity flow field reconstruction 论文复现
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@luotao1 luotao1 changed the title 【Hackathon 7th No.8】NO.8 A physics-informed diffusion model for high-fidelity flow field reconstruction 论文复现 【Hackathon 7th PPSCI No.8】NO.8 A physics-informed diffusion model for high-fidelity flow field reconstruction 论文复现 Sep 18, 2024
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LGTM


### 1.3 意义

> 复现 DPMM 代码,能够使用 DPMM 模型进行训练、验证、导出。

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实际代码中,用的DDIM,注意
image

### 1.2 功能目标

* 复现 DPMM 代码,实现完整的流程,包括:训练、验证、导出。
* 保持精度与论文精度一致,相对误差在 ±10% 以内。

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数据要盘点清楚:

  • 40个,不同的初始边界条件的,视频数据,进行训练
  • 测试集4组、训练集36组,按照 9:1划分
  • 每组数据320个帧,一共10秒钟时长
  • 实际上原数据是1024x1024,进行了下采样,分辨率为256x256
  • 每次送进网络的,有3个时间帧的图片(代码)
image

1. 数据预处理
2. 模型构建
3. 超参数设定
4. 验证训练模型的 rel. error

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注意:

  • 误差只有方程部分是相对误差
  • 物理场是L2逐点绝对误差,取平均
image

## 6. 可行性分析和排期规划

- 202408:调研
- 202409:复现代码并作调整

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开发指南(必读)

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LGTM

@luotao1
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luotao1 commented Sep 23, 2024

@AI1LJW 请根据研发导师意见进行修改

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AI1LJW commented Oct 16, 2024

好的好的,这段时间有点忙

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4 participants