Choose a method
The quickest first. Each opens with a first page for the job: units, code edition and which checks to run.
- 01Quick: WRC 537
WRC 537 local analysis
Cylinder: rectangular clip, radial or hillside nozzle. Cone: round nozzle. Formed head: round nozzle in the spherical region. Pad optional.
- 02Detailed: shell model, solid junction
FEA local analysis
Shell model of any shell, head or closure with nozzles, clips and sections anywhere; several attachments and load cases (CSV schedule, pass/fail grid); optional solid detail with welds and SCLs.
Opening a tool asks you to sign in. The finite-element tools are free during early access and under independent verification.
Use it for
- 01A round nozzle with its load table: radial force, shears, moments and torsion; with or without a pad.
- 02Radial or hillside on a cylinder; round on a head or a cone; on a flat head or plate.
- 03Large, tilted, tangential, obround or tombstone openings past the bulletin's range.
- 04Up to four nozzles or clips close enough to change each other's stress.
- 05Support, platform and ladder clips: plate, tee, I, channel, box and angle sections.
- 06The solid junction model with welds where a thick wall or a heavy barrel needs it.
In pictures
Fig. 2 · Platform, stair and handrail clips 
Fig. 3 · A clip on the cylinder, WRC 537 
Fig. 4 · A large opening, FEA
How it works
Method notes: Attachment analysisWorked examplesQuick reference
