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Table 5

Contaminant concentration (in ppm) obtained by FEM and RPCM for different q values

Node numberConcentration (FEM)Concentration RPCM (q = 0.5)Absolute % differenceConcentration RPCM (q = 0.98)Absolute % differenceConcentration RPCM (q = 1.03)Absolute % difference
2 101.55 105.94 4.323 105.42 3.811 105.73 4.116 
23 171.99 177.67 3.303 177.44 3.169 177.49 3.198 
37 101.11 104.64 3.491 104.42 3.274 104.48 3.333 
17 456.00 448.97 1.542 448.94 1.548 448.92 1.553 
31 197.00 193.91 1.569 193.74 1.655 193.83 1.609 
45 100.07 104.97 4.897 104.56 4.487 104.84 4.767 
11 129.76 132.84 2.374 132.47 2.088 132.61 2.196 
25 833.44 838.24 0.576 837.65 0.505 837.98 0.545 
39 88.13 90.97 3.223 90.43 2.610 90.53 2.723 
5 114.58 118.15 3.116 117.47 2.522 117.88 2.880 
19 343.92 351.90 2.320 351.54 2.216 351.54 2.216 
47 101.39 102.94 1.529 102.47 1.065 102.62 1.213 
6 113.55 117.76 3.708 117.24 3.250 117.53 3.505 
20 66.43 68.94 3.778 68.67 3.372 68.81 3.583 
34 75.17 79.27 5.454 78.16 3.978 78.11 3.911 
14 104.26 108.42 3.990 107.55 3.156 108.16 3.741 
28 102.06 106.34 4.194 105.49 3.361 106.04 3.900 
49 100.00 100.00 0.000 100.00 0.000 100.00 0.000 
Node numberConcentration (FEM)Concentration RPCM (q = 0.5)Absolute % differenceConcentration RPCM (q = 0.98)Absolute % differenceConcentration RPCM (q = 1.03)Absolute % difference
2 101.55 105.94 4.323 105.42 3.811 105.73 4.116 
23 171.99 177.67 3.303 177.44 3.169 177.49 3.198 
37 101.11 104.64 3.491 104.42 3.274 104.48 3.333 
17 456.00 448.97 1.542 448.94 1.548 448.92 1.553 
31 197.00 193.91 1.569 193.74 1.655 193.83 1.609 
45 100.07 104.97 4.897 104.56 4.487 104.84 4.767 
11 129.76 132.84 2.374 132.47 2.088 132.61 2.196 
25 833.44 838.24 0.576 837.65 0.505 837.98 0.545 
39 88.13 90.97 3.223 90.43 2.610 90.53 2.723 
5 114.58 118.15 3.116 117.47 2.522 117.88 2.880 
19 343.92 351.90 2.320 351.54 2.216 351.54 2.216 
47 101.39 102.94 1.529 102.47 1.065 102.62 1.213 
6 113.55 117.76 3.708 117.24 3.250 117.53 3.505 
20 66.43 68.94 3.778 68.67 3.372 68.81 3.583 
34 75.17 79.27 5.454 78.16 3.978 78.11 3.911 
14 104.26 108.42 3.990 107.55 3.156 108.16 3.741 
28 102.06 106.34 4.194 105.49 3.361 106.04 3.900 
49 100.00 100.00 0.000 100.00 0.000 100.00 0.000 
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