[Doc] Update ldc2d doc and README (PaddlePaddle#925)

* update ldc2d doc

* update RAEDME

README.md

@@ -101,7 +101,8 @@ PaddleScience 是一个基于深度学习框架 PaddlePaddle 开发的科学计
 <!-- --8<-- [start:update] -->
 ## 🕘最近更新
 
-- 添加 PirateNet(基于 Allen-cahn 方程求解) [Allen-Cahn](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/allen_cahn/)
+- 添加 PirateNet(基于 Allen-cahn 方程和 N-S 方程求解) [Allen-Cahn](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/allen_cahn/)、[LDC2D(Re3200)](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/ldc2d_steady/)。
+- 基于 PaddleScience 的快速热仿真方法 [A fast general thermal simulation model based on MultiBranch Physics-Informed deep operator neural network](https://pubs.aip.org/aip/pof/article-abstract/36/3/037142/3277890/A-fast-general-thermal-simulation-model-based-on?redirectedFrom=fulltext) 被 Physics of Fluids 2024 接受。
 - 添加多目标优化算法 [Relobralo](https://paddlescience-docs.readthedocs.io/zh/latest/zh/api/loss/mtl/#ppsci.loss.mtl.Relobralo) 。
 - 添加气泡流求解案例([Bubble](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/bubble))、机翼优化案例([DeepCFD](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/deepcfd/))、热传导仿真案例([HeatPINN](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/heat_pinn))、非线性短临预报模型([Nowcasting(仅推理)](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/nowcastnet))、拓扑优化案例([TopOpt](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/topopt))、矩形平板线弹性方程求解案例([Biharmonic2D](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/biharmonic2d))。
 - 添加二维血管案例([LabelFree-DNN-Surrogate](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/labelfree_DNN_surrogate/#4))、空气激波案例([ShockWave](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/shock_wave/))、去噪网络模型([DUCNN](https://github.com/PaddlePaddle/PaddleScience/tree/develop/jointContribution/DU_CNN))、风电预测模型([Deep Spatial Temporal](https://github.com/PaddlePaddle/PaddleScience/tree/develop/jointContribution/Deep-Spatio-Temporal))、域分解模型([XPINNs](https://github.com/PaddlePaddle/PaddleScience/tree/develop/jointContribution/XPINNs))、积分方程求解案例([Volterra Equation](https://paddlescience-docs.readthedocs.io/zh/latest/zh/examples/volterra_ide))、分数阶方程求解案例([Fractional Poisson 2D](https://github.com/PaddlePaddle/PaddleScience/blob/develop/examples/fpde/fractional_poisson_2d.py))。

docs/zh/examples/ldc2d_steady.md

@@ -8,7 +8,7 @@
 
         ``` sh
         # linux
-        wget -P ./data/ \
+        wget -nc -P ./data/ \
             https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re100.mat \
             https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re400.mat \
             https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re1000.mat \
@@ -25,7 +25,7 @@
 
         ``` sh
         # linux
-        wget -P ./data/ https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re1000.mat
+        wget -nc -P ./data/ https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re1000.mat
         # windows
         # curl https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re1000.mat --create-dirs -o ./data/ldc_Re1000.mat
         python ldc_2d_Re3200_sota.py mode=eval EVAL.pretrained_model_path=https://paddle-org.bj.bcebos.com/paddlescience/models/ldc/ldc_re1000_sota_pretrained.pdparams
@@ -41,7 +41,7 @@
 
         ``` sh
         # linux
-        wget -P ./data/ https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re1000.mat
+        wget -nc -P ./data/ https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re1000.mat
         # windows
         # curl https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re1000.mat --create-dirs -o ./data/ldc_Re1000.mat
         python ldc_2d_Re3200_sota.py mode=infer
@@ -60,7 +60,7 @@
 
         ``` sh
         # linux
-        wget -P ./data/ \
+        wget -nc -P ./data/ \
             https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re100.mat \
             https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re400.mat \
             https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re1000.mat \
@@ -79,7 +79,7 @@
 
         ``` sh
         # linux
-        wget -P ./data/ https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re3200.mat
+        wget -nc -P ./data/ https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re3200.mat
         # windows
         # curl https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re3200.mat --create-dirs -o ./data/ldc_Re3200.mat
         python ldc_2d_Re3200_piratenet.py mode=eval EVAL.pretrained_model_path=https://paddle-org.bj.bcebos.com/paddlescience/models/ldc/ldc_re3200_piratenet_pretrained.pdparams
@@ -95,7 +95,7 @@
 
         ``` sh
         # linux
-        wget -P ./data/ https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re3200.mat
+        wget -nc -P ./data/ https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re3200.mat
         # windows
         # curl https://paddle-org.bj.bcebos.com/paddlescience/datasets/ldc/ldc_Re3200.mat --create-dirs -o ./data/ldc_Re3200.mat
         python ldc_2d_Re3200_piratenet.py mode=infer

examples/ldc/conf/ldc_2d_Re3200_piratenet.yaml

@@ -82,7 +82,7 @@ EVAL:
 
 # inference settings
 INFER:
-  pretrained_model_path: null
+  pretrained_model_path: https://paddle-org.bj.bcebos.com/paddlescience/models/ldc/ldc_re3200_piratenet_pretrained.pdparams
   export_path: ./inference/ldc_2d_re3200
   pdmodel_path: ${INFER.export_path}.pdmodel
   pdiparams_path: ${INFER.export_path}.pdiparams