Netfabb® Local Simulation is a non-linear finite element thermo-mechanical solver for additive manufacturing (AM) processes. With the graphical user interface, Local Simulation users can easily set up, execute, and examine analysis results. Advanced users may prefer the command-line interface to access advanced or beta features of Local Simulation.
Simulation can be used to perform predictive modeling of the AM build process to help guide the design and manufacture of AM parts. Local Simulation can model AM processes directly, using traditional moving-source thermo-mechanical methods, or rapidly model large and complex geometries using a unique accurate and fast multi-scale methodology. These models result in histories of temperature, distortion, and stress fields, which coupled with warnings for support structure failure or recoater blade interference, can be used to improve manufacturability for a variety of AM technologies.
Netfabb local simulation capabilities
Predict the thermomechanical response of additive parts during the metal powder bed fusion and directed energy deposition manufacturing processes.
Metal powder bed fusion Use multiscale modeling to predict the thermal and mechanical response of parts and help reduce build failures.
Directed energy deposition Simulate full builds for both powder-fed and wire-fed DED processes with Netfabb local simulation.
Fast, predictive simulation Adaptive meshing and the physics-based, multiscale approach help keep processing time low and accuracy high.
Small-scale simulation Generate PRM files based on chosen material and process parameters for increased accuracy.
Part-scale simulation Simulate the additive manufacturing process for powder bed fusion to identify potential causes of build failures.
Simulate the entire build plate Capture interactions between parts and the distortion of the build plate.
Simulate stress relief Design appropriate heat treatment cycles by inputting the temperature vs. time curve of the desired process.
Detect recoater interference Identify possible build failures with powder bed processes that may cause equipment damage.
Avoid support failure Predict support failure to aid in the design and placement of support structures.
Predict part distortion Predict how metal additive manufacturing parts will deform to help reduce build failures.
Account for part/powder interaction Model the conduction of energy into the loose powder to increase your model’s accuracy.
Calculate residual stresses Accurately calculate residual stresses and strains built up during the AM process to identify likely regions of failure.
Simulate response after wire-cutting Simulate the mechanical response of a deposited part after removal from the build plate to calculate the final distortion.
Predict hot spots and lack of fusion Apply multiscale modeling to predict regions of a build that get too hot or not hot enough during processing.
Compensate for distortion Automatically compensate geometries based on simulation results to achieve the desired shape when printed.
Simulation validation and research
Part/powder interaction Experimental data show improved accuracy with the explicit modeling of loose powder and the interaction between parts.
Support failure prediction Netfabb simulates the delamination of the part from the region where the support structure on a component experienced failure.
Moving source simulation Netfabb Simulation accurately calculates temperature and distortion during the powder bed fusion process to within 5% error of the measurement.