Table III. Inputs required and values used for assembling the computational cell wall network fragment

The values were adopted from Kha et al. (2010), unless indicated otherwise.

PropertiesImplicationsUsed Values
Dimension of cell wall fragmentWidth and height; thickness is determined by the dimension of the CMF10 μm × 10 μm
Volume fraction of CMFDetermines the amount of CMF in the cell wall network fragment1.5%, accounting for 66.7% of weight with ρ = 1,500 kg m−3 (Sun, 2005)
Volume fraction of HCDetermines the amount of HC in the cell wall network fragment1.0%, accounting for 33.3% of weight with ρ = 1,500 kg m−3
Length and distribution of CMFDetermines average length and degree of randomness of CMF6 μm with sd of 1 μm in this study
Length and distribution of HCDetermines average length and degree of randomness of HC250 nm with sd of 100 nm in this study
Orientation and distribution of CMFDetermines overall orientation and degree of randomness of CMFParallel to each other along the x axis with sd of 1°
Orientation and distribution of HCDetermines overall orientation and degree of randomness of HCIn general, perpendicular to CMF with possible slope less than 75° with uniform distribution
Cross-sectional shape and dimension of CMFDetermines geometrical contribution to the mechanical behavior of CMFCircular cross-section with a diameter of 3.2 nm corresponding to an area of 8 nm2
Cross-sectional shape and dimension of HCDetermines geometrical contribution to the mechanical behavior of HCCircular cross-section with a diameter of 1.6 nm corresponding to an area of 0.2 nm2
Minimal spacing between CMFsDetermines minimum separation distance between CMFs25 nm, surface-to-surface distance
Minimal spacing between HCsDetermines minimum separation distance between HCs0.5 nm for minimal distances between binding sites on CMF surfaces (Albersheim et al., 2010)