For several days, it has been lightly raining and cloudy in Chengdu. The temperature is below 10oC. We dress sweater and thick coat. Some people wear down and feather garment down wear(羽绒服, yǔ róng fú).
ddt (rho U) + div (rho U U) – laplacian (mu U) = – grad (p)
For several days, it has been lightly raining and cloudy in Chengdu. The temperature is below 10oC. We dress sweater and thick coat. Some people wear down and feather garment down wear(羽绒服, yǔ róng fú).