# Orcaflex Code Check > Verify OrcaFlex model results against industry standards (DNV, API, ISO). Perform capacity checks, safety factor verification, and compliance reporting for offshore structures. - Skill: `vamseeachanta/orcaflex-code-check` (Agent Skill) - Install (CLI): `npx skillmds@latest add vamseeachanta/orcaflex-code-check` - Raw SKILL.md: https://api.skillmd.com/api/skills/vamseeachanta/orcaflex-code-check/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: AI & ML - Author: vamseeachanta (https://skillmd.com/u/vamseeachanta) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/vamseeachanta/orcaflex-code-check --- # Orcaflex Code Check ## Version Metadata ```yaml version: 1.0.0 python_min_version: '3.10' dependencies: orcaflex-modeling: '>=2.0.0,<3.0.0' structural-analysis: '>=1.0.0,<2.0.0' orcaflex_version: '>=11.0' compatibility: tested_python: - '3.10' - '3.11' - '3.12' - '3.13' os: - Windows - Linux - macOS ``` ## Changelog ### [1.0.0] - 2026-01-17 **Added:** - Initial release with standards compliance checking - Mooring line capacity verification - Safety factor calculation - Multi-standard support (DNV, API, ISO) ## When to Use - Verify mooring line tensions against MBL limits - Check riser stress against allowable - Validate safety factors per design codes - Generate compliance reports for certification - Design verification before fabrication - Audit existing designs against current standards ## Supported Standards ### Mooring Systems | Standard | Application | Key Checks | |----------|-------------|------------| | **API RP 2SK** | Stationkeeping | Safety factors, line capacity | | **DNV-OS-E301** | Position mooring | Tension limits, fatigue | | **ISO 19901-7** | Mooring systems | Capacity, redundancy | ### Risers | Standard | Application | Key Checks | |----------|-------------|------------| | **API RP 2RD** | Riser design | Stress, fatigue | | **DNV-OS-F201** | Dynamic risers | Stress, VIV | | **API STD 2RD** | Design of risers | Combined loading | ### Pipelines | Standard | Application | Key Checks | |----------|-------------|------------| | **DNV-OS-F101** | Submarine pipelines | Wall thickness, buckling | | **API RP 1111** | Pipeline design | Pressure containment | ## Python API ### Mooring Safety Factor Check ```python from digitalmodel.structural.structural_analysis.capacity import CapacityChecker def check_mooring_safety_factors( max_tensions: dict, mbl_values: dict, standard: str = "API_RP_2SK" ) -> dict: """ Check mooring line tensions against MBL limits. *See sub-skills for full details.* ### Riser Stress Check ```python from digitalmodel.structural.structural_analysis.capacity import CapacityChecker import math def check_riser_stress( max_tension: float, max_bend_moment: float, internal_pressure: float, external_pressure: float, od: float, *See sub-skills for full details.* ### Standards Lookup ```python from digitalmodel.infrastructure.common.standards_lookup import StandardsLookup # Initialize lookup lookup = StandardsLookup() # Search for relevant standards results = lookup.search("mooring design") for standard in results: *See sub-skills for full details.* ### Generate Compliance Report ```python def generate_compliance_report( check_results: dict, output_path: str, project_info: dict ) -> str: """Generate HTML compliance report.""" html_content = f""" *See sub-skills for full details.* ## Safety Factors Reference ### API RP 2SK (2015) | Condition | Analysis | Safety Factor | |-----------|----------|---------------| | Intact | Quasi-static | 1.67 | | Intact | Dynamic | 1.82 | | Damaged | Quasi-static | 1.25 | | Damaged | Dynamic | 1.43 | ### DNV-OS-E301 | Condition | Consequence Class 1 | Consequence Class 2 | |-----------|---------------------|---------------------| | ULS Intact | 2.20 | 2.50 | | ULS Damaged | 1.50 | 1.65 | | ALS | 1.00 | 1.10 | ### ISO 19901-7 | Condition | Category 1 | Category 2 | |-----------|------------|------------| | Intact | 1.67 | 2.00 | | Damaged | 1.25 | 1.50 | ## Related Skills - [orcaflex-post-processing](../orcaflex-post-processing/SKILL.md) - Extract results - [orcaflex-extreme-analysis](../orcaflex-extreme-analysis/SKILL.md) - Find design loads - [structural-analysis](../structural-analysis/SKILL.md) - Structural capacity checks - [fatigue-analysis](../fatigue-analysis/SKILL.md) - Fatigue code checks ## References - API RP 2SK: Design and Analysis of Stationkeeping Systems - DNV-OS-E301: Position Mooring - DNV-OS-F201: Dynamic Risers - ISO 19901-7: Stationkeeping Systems for Floating Offshore Structures - Source: `src/digitalmodel/infrastructure/common/standards_lookup.py` - Source: `src/digitalmodel/modules/structural_analysis/capacity.py` ## Sub-Skills - [Mooring Code Check (+1)](mooring-code-check/SKILL.md) - [Before Code Check (+2)](before-code-check/SKILL.md) ## Sub-Skills - [Error Handling](error-handling/SKILL.md)