Thermo-mechanical simulations of powder bed fusion processes: accuracy and efficiency

Advanced Modeling and Simulation in Engineering Sciences

Table 4 Displacement in y and von Mises stress at points A for simulation runs with and without spatial and temporal adaptivity for the with geometrically nonlinear setting, full powder domain, \(\tau =0.5\), , \(p=1\) and

Spatial adaptivity	Temporal adaptivity		Run time	at A	at A
Spatial adaptivity	Between layers	Final cooling	Run time	at A	at A
No	N	No	\({100.0}\%\)	\({0.0}\%\)	\({0.0}\%\)
No	No	Yes	\({35.4}\%\)	\({0.0}\%\)	\({0.1}\%\)
No	Yes	Yes	\({17.4}\%\)	\({-1.0}\%\)	\({-0.4}\%\)
Yes	No	No	\({8.3}\%\)	\({-4.1}\%\)	\({-3.3}\%\)
Yes	No	Yes	\({2.6}\%\)	\({-4.4}\%\)	\({-3.1}\%\)
Yes	Yes	Yes	\({1.3}\%\)	\({-4.7}\%\)	\({-3.0}\%\)

As reference the geometrically nonlinear setting, full powder domain, , \(\tau =0.5\) and \(p=1\), with a static mesh of uniform element size corresponding to is used