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[feat] add code of prose_fd model#138

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lkyu-ly wants to merge 1 commit intoPaddlePaddle:developfrom
lkyu-ly:feat/prose_fd
Open

[feat] add code of prose_fd model#138
lkyu-ly wants to merge 1 commit intoPaddlePaddle:developfrom
lkyu-ly:feat/prose_fd

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@lkyu-ly lkyu-ly commented Apr 15, 2026

This PR integrates the Paddle version of prose_fd into PaddleCFD following the repository layout conventions:

  • Add core model/runtime code under ppcfd/models/prose_fd
  • Add training, evaluation, configs, and utilities under examples/prose_fd

Torch vs Paddle Forward Alignment

Torch vs Paddle forward alignment (shape: (1, 1, 128, 128, 4))

  • Abs diff -> max: 5.78e-06, mean: 3.75e-07, median: 2.98e-07
  • Rel diff -> max: 1.10e-01, mean: 9.03e-06, median: 1.20e-06
  • Rel diff -> p95: 1.37e-05, p99: 6.91e-05
  • Rel diff > 0.01 ratio: 0.01%
  • Rel diff > 0.001 ratio: 0.07%

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