Table 3 Summary of all investigated numerical settings and modeling assumptions and definition of the accurate reference setting used
From: Thermo-mechanical simulations of powder bed fusion processes: accuracy and efficiency
| Â | Â | Reference | Options |
|---|---|---|---|
Numerical setting | Time step size | \(\tau =0.5\) | \( \begin{bmatrix}0.125,0.25,0.5,1.0,2.0,5.0\end{bmatrix}\) |
Max refinement level |
| \( \begin{bmatrix}3,4,5\end{bmatrix}\) | |
Poly degree mech elements | \(p= 2\) | \( \begin{bmatrix} {1, 2} \end{bmatrix}\) | |
Modeling assumption | Geometrical setting | nonlinear | \( \begin{bmatrix} \text {Linear, nonlinear} \end{bmatrix}\) |
Powder domain mechanical | \(1\,\hbox {mm} \times 2\,\hbox {mm}\) | \( \begin{bmatrix} 0.25\,\hbox {mm} \times 1.2\,\hbox {mm} \\ 0.375\,\hbox {mm} \times 1.3\,\hbox {mm} \\ 1\,\hbox {mm} \times 2\,\hbox {mm} \end{bmatrix}\) | |
Scaling factor Young’s modulus |
| \(\begin{bmatrix}0.1,0.01,0.005\end{bmatrix}\) |
