Efficient Prediction and Analysis of Optical Trapping at Nanoscale via Finite Element Tearing and Interconnecting Method

Table 1 Performance of the FETI-DP for calculating the optical force exerted on the silver nanocapsule with different number of subdomains

Number of subdomains	Construction time (s)	Total time (s)	Relative error δ_OF
4	265.6	436.6	5.2 × 10⁻⁴
8	130.8	215.0	7.0 × 10⁻⁴
16	57.4	101.4	3.3 × 10⁻⁴
24	27.9	57.8	7.8 × 10⁻⁴