Multiobjective Topology Optimization of Spatial-Structure Joints

Table 6

Description of frequency before and after optimization and formation.

Order	Initial frequency (Hz)	Optimized frequency (Hz)	Formation
First	109.19	166.98	Along the -y-direction
Second	110.16	185.11	Along the -z-direction
Third	207.89	289.89	Twisting along the x-axis