A Numerical Treatment of Nondimensional Form of Water Quality Model in a Nonuniform Flow Stream Using Saulyev Scheme

Table 3

The pollutant concentration 𝐶(𝑥,𝑡) of FTCS scheme, Δ𝑥=0.0125 (40 m), Δ𝑡=0.0003125 (0.1 s).

𝑡	𝑥=0	𝑥=0.1	𝑥=0.2	𝑥=0.3	𝑥=0.4	𝑥=0.5	𝑥=0.6	𝑥=0.7	𝑥=0.8	𝑥=0.9	𝑥=1.0
10	1.0000	0.3231	0.1154	0.0517	0.0292	0.0194	0.0141	0.0109	0.0090	0.0079	0.0075
20	1.0000	0.9996	0.9971	0.9873	0.9575	0.8873	0.7588	0.5774	0.3828	0.2324	0.1720
30	1.0000	0.9981	0.9956	0.9910	0.9830	0.9706	0.9533	0.9327	0.9122	0.8966	0.8903
40	1.0000	0.9260	0.9166	0.9150	0.9145	0.9141	0.9138	0.9136	0.9135	0.9134	0.9133
50	1.0000	0.9993	0.9966	0.9902	0.9788	0.9633	0.9468	0.9327	0.9231	0.9179	0.9162