Structures · ENG-4

Metal truss

A linear-elastic 2D pin-jointed truss solver with explicit mechanics limits and member-engine handoff.

Calculator groups

Calculator

2D pin-jointed model: members carry axial force N only. Loads and combinations are supplied by the user; they are not generated automatically.

Parametric roof truss

Truss typeWeb patternSpan, mmHeight, mmPanelsBottom chord height, mmRidge position, mmEnd height ratioGable: eave height as a fraction of maximum height; 0 < ratio < 1.Low-end height ratioMono-pitch: low-end height as a fraction of high-end height; 0 < ratio < 1.Roller free axis

Verified section groups

Top chord section IDBottom chord section IDWeb section IDSteel grade

Use verified catalog section IDs; theoretical geometry remains requires check.

Out-of-plane restraint l1, mm

Top chord l1Bottom chord l1Web l1

Loads

Wind is not transferred automatically; use explicit manual Fx/Fy loads.

Nodes

ID	X, mm	Y, mm

Members

ID	From	To	Role	Effective-length mode	l1, mm

Supports

Node	Fix X	Fix Y

Load cases

Loaded node	Fx, N	Fy, N

Calculation status

Enter a model and calculate.

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Show deformed shape

Max displacement—

Reactions—

Members—

Results

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Warnings

FormulaTrace and provenance

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