Fuzzy Performance between Surface Fitting and Energy Distribution in Turbulence Runner

Table 8

Fuzzy relation degrees between experimental condition parameters and kinetic energy distribution surface features in the form of NURBS surface.

Condition	Feature 1	Feature 2	Feature 3	Feature 4	Feature 5
Number of control points (u)	0.8956	0.9254	0.4478	0.5849	0.6589
Number of control points (v)	0.6254	0.9125	0.5963	0.8965	0.5542
Order of spline surface	0.2546	0.9632	0.9254	0.8475	0.6235
Order of knot vector	0.3365	0.8654	0.9125	0.4521	0.8452
Order of normal vectors	0.2547	0.7748	0.6589	0.9214	0.5742
Order of derivative vectors	0.4156	0.7639	0.4785	0.8523	0.6214
Number of constrain vectors	0.6215	0.5482	0.9921	0.6214	0.8523
Order of constrain vectors	0.2558	0.1254	0.8848	0.6144	0.9214
Order of continuous level	0.5478	0.3654	0.6215	0.5248	0.5426
Kinetic energy coefficient	0.3654	0.8457	0.5144	0.6395	0.3654
Rank of derivative matrix	0.5523	0.3369	0.4478	0.6235	0.5846
Approximate error range	0.6245	0.8452	0.9542	0.5145	0.6695