Dynamic Response Analyses of Plastic Greenhouse Structure considering Fluctuating Wind Load

Table 1

Comparison of nodal displacement (unit: mm).

Load		Cross section
		Top chord			Bottom chord
		5	15	24	33	42	52
Load	Mean + Fluctuating	7.3	20.5	9.1	7.3	20.8	9.3
	Fluctuating	5.1	14.9	6.7	5.1	15.0	6.9
	Mean	2.4	6.2	2.7	2.4	6.2	2.8
Ratio	(Mean + Fluctuating)/Fluctuating	1.4	1.4	1.4	1.4	1.4	1.4
	(Mean + Fluctuating)/Mean	3.0	3.3	3.4	3.0	3.4	3.3
	Fluctuating/Mean	2.1	2.4	2.5	2.1	2.4	2.5