Computational Engineering / module 5
Digital engineering workflows
How information moves between models — and why the losses that stop you are the safe ones.
What you will understand
- Map a workflow as handovers rather than as software
- Say what each handover adds, and who owns it
- Distinguish a loud loss from a silent one, and explain why the silent one is worse
- Name the five things that survive no handover in a typical chain
- Choose an exchange route from what the receiving model needs to do
- Write a handover note that makes the next person's checking possible
Lessons
The chain of handovers
What a workflow actually is, what each step adds, and the five things nothing carries.
Loud and silent losses
Six things that go wrong in a handover, all applied to the same truss, all re-solved.
Versions, naming and the handover note
The unglamorous half of the subject, and the half that actually fails.
Module summary
- A workflow is a chain of handovers, and every handover adds, loses and belongs to somebody
- Geometry survives an exchange; behaviour does not
- A loss that stops the model is safe — nobody can act on a number that does not exist
- A loss that leaves the model solving is the dangerous one, and three of six here are that kind
- Restraints, releases, loads, combinations and results survive no handover in the chain
- A lost load makes the structure look safer, which is the worst direction to be wrong in
- Never exchange results — re-run them
- The receiving engineer owns the received model, whatever the sending one intended
Teaching basis and review status
These are educational models and exercises. Check their assumptions before using the results. The full technical content and every diagram have not yet been independently verified.
Concrete and steel calculations retain their stated first-generation Eurocode teaching basis. Use the standards and amendments specified for your project; do not mix generations without an appropriate design basis.
Read the lesson register and outstanding review notesCheck your understanding
Check yourself
Which kind of exchange loss should worry a reviewing engineer most?
Practice
A model is sent with 4000 mm² members and arrives with 1000 mm². The sent model's largest deflection was 12.5 mm. What does the received model report?
Practice
A chain has six handovers, each performed correctly 90 % of the time. What percentage of models arrive at the end with no handover error?