Optimization Method of the Car Seat Rail Abnormal Noise Problem Based on the Finite Element Method

Table 4

The data sheet of design variable (Ns/m).

Design variable	Notes	Lower limit	Initial value	Upper limit
G	Structural damping	0.1	0.2	0.3
C11	directions of first set	0.2	2	20
C12	directions of first set	0.2	2	20
C13	directions of first set	0.2	2	20
C21	directions of second set	0.2	2	20
C22	directions of second set	0.2	2	20
C23	directions of second set	0.2	2	20
C31	directions of third set	0.2	2	20
C32	directions of third set	0.2	2	20
C33	directions of third set	0.2	2	20
C41	directions of fourth set	0.2	2	20
C42	directions of fourth set	0.2	2	20
C43	directions of fourth set	0.2	2	20