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. Author manuscript; available in PMC: 2012 Nov 20.
Published in final edited form as: J Theor Biol. 2011 Jan 15;274(1):109–119. doi: 10.1016/j.jtbi.2011.01.011

Figure 2.

Figure 2

A filament network of 138 filaments, 16 prescribed perimeter nodes, and 30 randomly placed internal nodes under 10% uniaxial horizontal stretch after (a) 1, (b) 5, (c) 10, and (d) 25 iterative cycles. Stretch was imposed in 1% increments on all peripheral nodes from −60° to 60° and 120° to 240°followed by Gauss-Seidel relaxation to achieve network nodal force equilibrium. The depicted thickness/darkness of the filaments correspond to their relative stresses with the thickest/darkest being >75% of the maximum stress of the network and the thinnest/lightest being <25%. The length scale in this model is 100 arbitrary units, representing a cell whose bulk lies in an approximately circular region of diameter 30 µm, such as a fibroblast.