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. 2021 Apr 9;14(8):1869. doi: 10.3390/ma14081869
Cp Specific heat
Cp0 Specific heat at initial time
Cpm Specific heat at mth laser step
E Enthalpy
k Thermal conductivity
k0 Thermal conductivity at initial time
km Thermal conductivity at mth laser step
Lf Latent heat of fusion
n Layer number
P Laser power
Q Volumetric heat source
s Distance between the heat source to the point of interest
𝑇 Temperature
Troom Room temperature
T0 Initial temperature
Tm Temperature at mth laser step
t Time
t0 Initial time
Δt Time difference between two assumed laser steps
u Internal energy
V Laser velocity
v Heat source velocity
XGYGZG General coordinate
XLYLZL Laser moving coordinate
α Laser rotation angle between layers
κ Thermal diffusivity
η Laser absorption rate
φ Laser rotation angle between first layer and current layer
ρ Material density
ξ Integration variable