Effects of Porosity on the Static Compression of Foam Buffer Materials of Plant Fiber and Their Numerical Model

Table 2

Static compression characteristic equation of different porosity samples.

Sample	The average porosity (%)	The characteristic equation	Residual sum of squares
S1	64.8		0.0034
S2	69.7		0.0016
S3	75.4		0.00051
S4	80.1		0.00022
S5	84.5		0.00022