Computational Analysis of FDM-Produced Components and Importance of Print Orientation

“Additive manufacturing” encompasses a growing range of technologies for producing a wide variety of components, ranging from single-use prototype parts through to end-use components for the aerospace industry. Although additive manufacturing technologies offer a host of benefits, they can also introduce additional difficulties into the computational analyses that many engineers use during the course of a design cycle. For example, performing part manufacture with some additive manufacturing technologies, such as Fused Deposition Modeling™ (FDM), introduces additional variables beyond those found in traditional subtractive manufacturing techniques. In this whitepaper, we examine the nature of material properties in FDM components and the difficulties in applying rigorous analysis. We also construct a demonstrative component to examine the comparative effects of the manufacturing build orientation variable on mechanical response.

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