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HomeStandardsAPI RP 2A-WSD (21st, 2007)

API RP 2A-WSD (21st, 2007)

Perform member and joint checks for offshore platforms with API RP 2A-WSD directly in your FEA model

Use API RP 2A-WSD (Working Stress Design) to evaluate structural integrity of circular tube elements in fixed offshore platforms. Fully supported in SDC Verifier with automated joint and member checks.

About Standard

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API RP 2A-WSD (21st edition, October 2007) is a recommended practice by the American Petroleum Institute for the working stress design (WSD) of fixed offshore platforms. The standard provides well-established engineering principles for the design of tubular members subjected to axial, bending, and shear forces, as well as guidance for evaluating tubular joints.

This standard is implemented in SDC Verifier with support for:

  • Cylindrical members only
  • Member checks under tension, compression, bending, shear, or hydrostatic pressure
  • Joint checks based on chord-brace interactions

SDC Verifier allows engineers to apply this standard with automation of:

  • Member recognition
  • Beam lengths in Y and Z directions
  • Material yield and tensile strength validation
  • Joint classification (K, TY, or X types)
  • Effective lengths, overlapping braces, and resistance factors

Use this standard independently or combine with AISC ASD 1989 for non-tubular elements in hybrid offshore structures.

Key Benefits of SDC Verifier

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Effortless Design and Import

Work directly within Ansys, Femap, or Simcenter 3D without switching platforms.

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Automatic Component Detection

Instantly identify beams, plates, welds, and joints in your FEA model.

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Comprehensive Standards Library

Perform code checks with built-in support for ABS, AISC, Eurocode, API, and more.

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Structural Optimization

Detect overstressed areas and refine your design with data-driven decisions.

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Automatic Report Generation

Generate customizable, fully traceable reports with all calculations and references.

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