Frame the product and its service condition.
Structure the brief. Normalize units and conditions. Separate requirements from
assumptions. Identify missing owners and inputs. Carry temperature, altitude,
ingress, duty cycle, life, volume, and abuse cases into downstream work.
Typical result Problem card · unknowns · decision criteria
Compare system architectures.
Generate a small option set, identify the main load and thermal paths, propose
appropriate material and process families, and state the condition most likely to
eliminate each concept.
Typical result Architecture cards · tradeoffs · kill criteria
Check thermal and environmental assumptions.
Evaluate supported air and water properties, thermal resistance paths, transients,
convection, radiation, heaters, altitude effects, solar or climate inputs where
reviewed data exists, and the implications for sealing or derating.
Typical result Condition‑aware first‑order check · assumptions · next analysis
Challenge materials and interfaces.
Search reviewed grades, retrieve available properties at a stated condition, compare
candidates, inspect available curves, and check explicitly reviewed compatibility and
process rules. Unsupported grade‑condition pairs return NO DATA.
Typical result Candidate set · property evidence · exclusions · data gap
Check structure, joints, and retention.
Run supported first‑order checks for plates, bosses, snap cantilevers, press fits,
preload, drop energy, differential expansion, and fatigue only when the required
material or curve data exists.
Typical result Calculation · governing input · limitation · validation need
Review DFM, assembly, sealing, and ingress.
Challenge draft, ribs, bosses, wall transitions, assembly access, retention choice,
sealing strategy, and contamination paths using explicit rules and stated process
assumptions.
Typical result Risk flags · rationale · supplier questions
Plan validation and revise from evidence.
Turn uncertain assumptions into test questions, define useful measurements and
pass/fail criteria, and update the engineering argument when new evidence arrives.
Typical result Evidence plan · revision log · recomputed decisions