pressure-vessel

# Pressure Vessel Design Skill ## Purpose The Pressure Vessel Design skill provides capabilities for designing and analyzing pressure vessels per ASME Boiler and Pressure Vessel Code, ensuring code compliance and safe operation. ## Capabilities - ASME Section VIII Division 1/2 compliance - Shell and head thickness calculations - Nozzle reinforcement analysis - Flange rating and selection - Hydrostatic test specification - MDMT (Minimum Design Metal Temperature) determination - Stress classification and evaluation - U-stamp documentation support ## Usage Guidelines ### ASME Section VIII Overview #### Division Comparison | Aspect | Division 1 | Division 2 | |--------|------------|------------| | Design basis | Design-by-rule | Design-by-analysis | | Allowable stress | Lower | Higher | | Safety factor | 3.5 (UTS) | 2.4 (UTS) | | Analysis required | Limited | Detailed FEA | | Typical application | General service | High pressure, critical | ### Shell and Head Design #### Cylindrical Shell (Division 1) ``` Internal pressure: t = (P * R) / (S * E - 0.6 * P) External pressure: t = iterative based on L/D_o and D_o/t Where: t = required thickness P = design pressure R = inside radius S = allowable stress E = joint efficiency ``` #### Head Types | Type | Stress Ratio | Application | |------|--------------|-------------| | Hemispherical | 0.5 | High pressure | | 2:1 Elliptical | 1.0 | General purpose | | Torispherical | 1.77 | Low pressure | | Flat | Variable | Limited pr...