Hybrid Approach of Finite Element Method, Kigring Metamodel, and Multiobjective Genetic Algorithm for Computational Optimization of a Flexure Elbow Joint for Upper-Limb Assistive Device

Table 3

Design of experiments and numerical data.

No.	t1	t2	t3	Strain energy	Torque	Stress
	(mm)	(mm)	(mm)	(mJ)	(Nm)	(MPa)
1	0.85	0.75	0.65	0.001327	516.4587	20.63126
2	0.85	0.75	0.5	0.00323	443.9349	19.72129
3	0.85	0.75	0.8	0.001369	578.1424	21.77671
4	0.85	0.6	0.65	0.001047	387.0098	20.20012
5	0.85	0.9	0.65	0.001503	650.2474	22.06348
6	0.7	0.75	0.65	0.001159	470.434	19.72362
7	1	0.75	0.65	0.001618	544.794	22.71086
8	0.7	0.6	0.5	0.000872	304.2852	18.764
9	0.7	0.6	0.8	0.000869	402.5997	18.76369
10	0.7	0.9	0.5	0.002742	516.5792	18.20312
11	0.7	0.9	0.8	0.001216	639.8056	19.87475
12	1	0.6	0.5	0.001021	336.6276	20.55988
13	1	0.6	0.8	0.003013	479.6251	21.45574
14	1	0.9	0.5	0.003585	584.3072	20.56971
15	1	0.9	0.8	0.004526	762.3913	23.54646