생명공학

List of variables dt = timestep tau = decay time spring constant = 1, mass = 1, omega = 1, period = 2 Pi, nPeriod = 16, dt = 2 Pi/nPeriod, tau = 4 (2Pi) Simulation tutorial 1) Generate new position newP[p0_] := RandomReal[NormalDistribution[p0 Exp[-dt/tau], Sqrt[1 - Exp[-2 dt/tau]]]] 2) Verlet step simulation for a noisy harmonic oscillator verletStep[p_, q_] := Module[{}, nextQ = q + p dt - q/2..

Modeling/Mathematica 2020. 12. 6. 02:18

List of variables Config = list of particle positions boxL = system linear dimension nTot = total number of particles bete = beta epsilon rMax = truncation range nCell = number of cells in one direction wid = width of a cell cellist = 2d lists of particles in cells eTotal = total energy pExcess = excess pressure iSave = index into eValues and pValues eValues = list of stored energy values pValue..

Modeling/Mathematica 2020. 12. 6. 02:09

List of initial constants Pe = 1.0; Peh = 1.0; Da = 10.0; Da0 = 10.0; Dah0 = 10.0; EA = 1.0; b = 2.0; φ a = 1.0; tmax = 20; List of functions 1) Isothermal reactor 1-a) Set up mole balance equation with boundary-initial conditions eqns = [0==(1/Pe)D[ψ[λ], λ, λ]- D[ψ[λ], λ]- Da ψ[λ], (D[ψ[λ], λ]/. λ → 0.0) ==Pe((ψ[λ]/. λ → 0.0)- 1.0), (D[ψ[λ], λ]/. λ → 1.0) == 0.0]; sol = NDsolveValue[eqns, ψ,{λ,..

Modeling/Mathematica 2020. 12. 6. 00:45