takeover from original paper
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[Tungsten]
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elasticity hooke
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plasticity disloucla
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(output) edge_density
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(output) dipole_density
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(output) shear_rate_slip
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(output) accumulated_shear_slip
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(output) resolved_stress_slip
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(output) threshold_stress_slip
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grainsize 2.7e-5 # Average grain size [m] 2.0e-5
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SolidSolutionStrength 0.0 # Strength due to elements in solid solution
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### Dislocation glide parameters ###
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#per family
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Nslip 12
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slipburgers 2.72e-10 # Burgers vector of slip system [m]
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rhoedge0 1.0e12 # Initial edge dislocation density [m/m**3]
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rhoedgedip0 1.0 # Initial edged dipole dislocation density [m/m**3]
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Qedge 2.61154e-19 # Activation energy for dislocation glide [J], 1.63 eV
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v0 1 # Initial glide velocity [m/s]
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p_slip 0.86 # p-exponent in glide velocity
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q_slip 1.69 # q-exponent in glide velocity
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tau_peierls 2.03e9 # peierls stress [Pa]
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#mobility law
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kink_height 2.567e-10 # kink height sqrt(6)/3*lattice_parameter [m]
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omega 9.1e11 # attemp frequency (from kMC paper) [s^(-1)]
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kink_width 29.95e-10 # kink pair width ~ 11 b (kMC paper) [m]
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dislolength 78e-10 # dislocation length (ideally lambda) [m] initial value 11b
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friction_coeff 8.3e-5 # friction coeff. B [Pa*s]
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#hardening
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dipoleformationfactor 0 # to have hardening due to dipole formation off
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CLambdaSlip 10.0 # Adj. parameter controlling dislocation mean free path
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D0 4.0e-5 # Vacancy diffusion prefactor [m**2/s]
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Qsd 4.5e-19 # Activation energy for climb [J]
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Catomicvolume 1.0 # Adj. parameter controlling the atomic volume [in b]
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Cedgedipmindistance 1.0 # Adj. parameter controlling the minimum dipole distance [in b]
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interaction_slipslip 0.009 0.72 0.009 0.05 0.05 0.06 0.09
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nonschmid_coefficients 0.938 0.71 4.43 0.0 0.0 0.0
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type: dislotungsten
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N_sl: [12]
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rho_mob_0: [1.0e+9]
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rho_dip_0: [1.0]
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nu_a: [9.1e+11]
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b_sl: [2.72e-10]
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Delta_H_kp,0: [2.61154e-19] # 1.63 eV, Delta_H0
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tau_Peierls: [2.03e+9]
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p_sl: [0.86]
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q_sl: [1.69]
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h: [2.566e-10]
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w: [2.992e-09]
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B: [8.3e-5]
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D_a: 1.0 # d_edge
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# climb (disabled)
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D_0: 0.0
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Q_cl: 0.0
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V_cl: [0.0]
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h_sl-sl: [0.009, 0.72, 0.009, 0.05, 0.05, 0.06, 0.09]
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a_nonSchmid: [0.938, 0.71, 4.43]
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