Modelling
Orthogonal, radial and skewed grids with storey levels that carry through to every drawing. Beams, columns, slabs, walls, staircases and foundations — placed on the grid or traced over the architect's DXF.
Learn moreLunia Tech Engineering Co. Ltd
Structural engineering, from model to drawings.
Lunia is structural analysis, design and detailing software built around one model.
Model your building in three dimensions, analyse the structure, design the concrete and steel, and produce reinforcement drawings and calculation sheets — without rebuilding the model between programs.
One model. One workflow. From the first grid line to the drawings issued.
What it does
Everything your structural workflow needs
Model · Analyse · Design · Detail · Document — across concrete, steel and foundations, without the model being rebuilt at a boundary between tools.
Analysis
Three-dimensional finite element. Shell and frame elements in one model, rigid floor diaphragms, notional forces and storey drift.
Learn moreConcrete design
Beams, columns, slabs, walls and staircases, with pad, strip, combined and raft foundations and pile caps.
Learn moreSteel design
Members, base plates, portal frames and connections, checked against a full library of rolled sections.
Learn moreFoundations
Pad, strip and combined footings, rafts on an elastic medium and pile caps — created from the columns already in the model.
Learn moreDetailing & documentation
Reinforcement arranged, laps positioned and bars scheduled, then drawn and written out as DXF with the calculation sheets.
Learn moreAn engineer does not lose a week to the analysis. The week goes between“the model solves” and “the drawings are on the contractor's desk” — arranging bars that fit the web, deciding where a lap is allowed to sit, splitting links at a crank, and typing the calculation up afterwards.
Lunia treats that as the product. Every decision the detailer makes is made against a clause, and the clause is printed beside the number on the sheet — so the person checking your drawing can follow it without asking you what the software did.
That is the difference between a result and a submission. It is also why the sheets go out as they are, rather than being retyped into a document the night before the deadline.
Who it is for
Designed for engineers who need to finish the job
Whether you are designing a building, checking a structure or preparing reinforcement drawings, Lunia brings the workflow together in one application.
Structural consultants
Design and document a project without rebuilding the model across several programs.
Detailers
Move from designed member to issued reinforcement drawing without redrawing it by hand.
Engineering practices
One workflow across the team, so drawings and calculations leave the office in a consistent form.
Students & academics
See a whole structural workflow end to end, not one isolated step of it. Academic licensing available.
The workflow
Built for the whole workflow
Model → Analyse → Design → Detail → Document. No repeated modelling, no unnecessary data transfer, and no rebuilding the structure just to finish the drawings.
- 01
Model
Grids, frames, slabs, walls and foundations — or the architect's DXF, imported as drawn.
- 02
Analyse
Shells and frames solved together, with diaphragms, notional forces and drift.
- 03
Design
Concrete, steel and timber members against the code you actually work to.
- 04
Detail
Reinforcement arranged, laps positioned, links zoned and bars scheduled.
- 05
Document
Drawings out to DXF, and calculation sheets with the clause beside every number.
Why Lunia
What makes it different
It finishes the job
Analysis is one step of several. Lunia carries on through design and detailing to the drawings that go out to the contractor.
Built to be checked
Every value on a calculation sheet carries the clause it came from, so a reviewer can follow the work without asking you what the software did.
One model, no re-entry
The structure is never rebuilt at a boundary between programs, because there is no boundary to cross. Nothing is typed in twice, so nothing can disagree.
Written for practice
Perpetual, subscription, floating and academic licensing, and design to the codes engineers actually build to — wherever they practise.
At a glance
The essentials
- Platform
- Windows 10 and 11, 64-bit. A desktop application — your models stay on your machine.
- Design codes
- Eurocode and British Standards for concrete and steel, with load combinations built from your own code's table and partial factors.
- Exchange
- IFC in and out, a Revit link, DXF import and export, and an ETABS exporter.
- Licensing
- Perpetual, subscription, floating and academic. Every licence carries the whole program.
Start with a real project
Put Lunia on a building of your own and take it from the first grid line to the finished drawings.
Complete product · No feature limits · No watermark on drawings · Windows