Time-Dependent Reliability-Based Design Optimization Utilizing Nonintrusive Polynomial Chaos

Table 1

Information on design variables and parameters.

Type	Symbol	Description	Mean	Std	Distribution
Random design variables	𝑋𝐴	Coordinate 𝑋 of point A	1176	2	Normal
	𝑌𝐴	Coordinate 𝑌 of point A	−497	2	Normal
	𝑅ur	Outer radius of the upper rod	30 mm	0.3 mm	Normal
	𝑅arm	Outer radius of the device arm	50 mm	0.5 mm	Normal
Random parameters	𝐿sr	Length of actuator slider rod	1600 mm	3 mm	Normal
	𝑅nr	Radius of the nether rod	20 mm	0.2 mm	Normal
	𝐺d	Weight of device	2600 N	10 N	Normal
	𝑊𝑥	Wind disturbance of 𝑋 direction	400 N	5 N	Normal
	𝑊𝑦	Wind disturbance of 𝑌 direction	375 N	5 N	Normal
	𝑊𝑧	Wind disturbance of 𝑍 direction	206 N	5 N	Normal