How do you integrate topology optimization with additive manufacturing for structural components?

Topology optimization integration workflow: Define design space, loads, constraints, and objectives in FEA software (Altair OptiStruct, ANSYS, nTopology), Apply AM-specific constraints (overhang angles, minimum feature size, build direction), Run optimization (compliance minimization, stress constraints, modal targets), Interpret and reconstruct geometry (smoothing, feature recognition), Validate optimized design (FEA verification, safety factors), Apply DfAM refinements (self-supporting transitions, powder removal features), Generate build file and support strategy, Process simulation for distortion prediction, Post-processing planning (machining datum surfaces, heat treatment), and Testing (mechanical qualification, NDT). Examples: GE LEAP fuel nozzle (20 parts to 1, 25% lighter), Airbus partition (45% lighter than machined). Balance optimization freedom with manufacturing reality.