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Table 4

Statistical parameters of the SVM models for the relative energy dissipation ratio

Optimal parameters
Performance criteria
Train
Test
ConditionSVM modelsCɛγRDCRMSERDCRMSE
Rectangular channel with strip elements DE(I) 5.0 0.10 5 0.959 0.914 0.038 0.934 0.892 0.067 
DE(II) 6.0 0.10 4 0.983 0.968 0.032 0.982 0.942 0.055 
DE(III) 6.0 0.10 4 0.981 0.964 0.038 0.975 0.935 0.058 
DE(IV) 6.0 0.10 3 0.978 0.963 0.039 0.973 0.922 0.062 
DE(V) 5.0 0.10 5 0.991 0.973 0.025 0.986 0.944 0.0492 
Rectangular channel with staggered elements DE(I) 8.0 0.02 4 0.863 0.859 0.043 0.841 0.818 0.075 
DE(II) 10 0.10 5 0.885 0.871 0.036 0.884 0.847 0.062 
DE(III) 10 0.10 8 0.883 0.868 0.043 0.878 0.842 0.065 
DE(IV) 8 0.10 5 0.880 0.867 0.044 0.876 0.830 0.070 
DE(V) 10 0.10 5 0.969 0.886 0.031 0.927 0.868 0.055 
Optimal parameters
Performance criteria
Train
Test
ConditionSVM modelsCɛγRDCRMSERDCRMSE
Rectangular channel with strip elements DE(I) 5.0 0.10 5 0.959 0.914 0.038 0.934 0.892 0.067 
DE(II) 6.0 0.10 4 0.983 0.968 0.032 0.982 0.942 0.055 
DE(III) 6.0 0.10 4 0.981 0.964 0.038 0.975 0.935 0.058 
DE(IV) 6.0 0.10 3 0.978 0.963 0.039 0.973 0.922 0.062 
DE(V) 5.0 0.10 5 0.991 0.973 0.025 0.986 0.944 0.0492 
Rectangular channel with staggered elements DE(I) 8.0 0.02 4 0.863 0.859 0.043 0.841 0.818 0.075 
DE(II) 10 0.10 5 0.885 0.871 0.036 0.884 0.847 0.062 
DE(III) 10 0.10 8 0.883 0.868 0.043 0.878 0.842 0.065 
DE(IV) 8 0.10 5 0.880 0.867 0.044 0.876 0.830 0.070 
DE(V) 10 0.10 5 0.969 0.886 0.031 0.927 0.868 0.055 
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