Hi,
When develop the 2-D flood modelling, there are tow methods, namely CIP method and upwind scheme in the “calculation condition- Others- Finite differential method for advection terms “. What are the differences in these two methods and which one i need to select for simulating flood events. Your early replies will be highly appreciated. Thanks in advance.
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Although the accuracy of CIP is higher than that of upstream scheme, I think both methods have enough accuracy for flood analysis.
Please refer to the link below.
CIP : method https://www.sciencedirect.com/science/article/pii/S0021999100966257
upwind scheme : https://en.wikipedia.org/wiki/Upwind_scheme
Thank you very much for the reply and sharing relevant files.