White Paper

Design of Experiments at the Concept Stage

Compare concepts before the decisions lock

This technical white paper shows how design of experiments, applied before the concept is frozen, evaluates complete alternatives on performance, manufacturability, cost and CO₂. That is the stage where most of a part’s impact is committed, and where teams compare the fewest options.

Key engineering facts
75%
Of life cycle cost committed at design
78x
Costlier to fix issues in testing than at requirements
1/3
Of R&D capacity spent on late changes
Inside the white paper

What you will learn

  • Why concept decisions lock early while exploration stays narrow
  • How concept-stage DoE differs from parametric CAD DoE
  • The two enablers that make it practical: implicit modeling and parametric workflows
  • A seven-step method that leads to a traceable concept selection
  • Field evidence: 30 bracket concepts in two hours of compute, with safety factors from 3.79 to 8.71 at similar mass

Written for engineering managers and senior mechanical engineers in aerospace, space, defense, automotive and industrial machinery.

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From method to practice

Choose the concept with the full set in view.

Want to see how a concept-stage DoE could apply to one of your projects? Talk to a Cognitive Design Systems application engineer.