Table 2.

Dimensionless groups used in simulations.

Symbol	Parameter	Value	Notes
ϕ = N/V(lb + b2/4)	Filament packing fraction	0.4157	Chosen to give nematic state at equilibrium in the absence of motors
r = l/b	Filament aspect ratio	20	Value for 500-nm MTs
c = ρ2b2eβ(μc+u0)	Motor concentration	0.5	Chosen to give average of 2 motors per nearby filament pair
cc = ρ2b2eβ(μc+u0,c)	Static crosslink concentration (motor and crosslink model)	Reference 0.5, range 0.25–0.5	Chosen to give average of 2 crosslinkers per nearby filament pair
$R_c=\sqrt{k_{B}T/(K{b}^2)}$	Range of motor mediated interaction	1/√2	Chosen to be of order 1 for a short-range interaction
ℓ = ν0/(k0l)	Motor run length	Reference 0.64, range 0.04–1.28	Motor-induced active stresses are largest when ℓ is of order 1
f = fsb/(kBT)	Motor stall force	6	See table 1
Pe = νwηb/(kBT)	Peclet number	Reference 1.358, range 0.085–2.72	Varies with motor speed
k0,m τ	Inverse motor lifetime	1.0	See table 1
k0,cτ	Inverse static crosslink lifetime (motor and crosslink model)	Reference 0.01, range 0.001–1.0	Varied