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Validates models against ASME Section VIII Div 1 and Div 2 codes and provides stress classification options to address different interpretations of the code
Uses WRC 107/537 methods for spheres, elliptical and dished heads
Analyzes load model perturbation and buckling for heads, cylinders and branch connections
Evaluates flaws or cracks in pressurized or loaded components using a Level 3 fitness-for-service analysis.
Design
Provides automatic Stress Intensity Factors (SIF), nonlinear Sustained Stress Indexes (SSI), and collapse calculations for heads, branches and saddlesflexibility factors for nozzles and branch connections.
Uses elastic-plastic and non-linear FEA solvers to determine the most accurate nominal stress statescollapse loads and stresses.
Uses the Drawing Tools feature to provide interactive drawings of components for local thin areasSustains an interactive CAD feature to edit the model or apply local thinning and cracks.
Handles multiple load cases at a time so that combination loads thru the run , and loads on the nozzle and header can be performed simultaneously.
Provides guidance on the Acoustic Induced Vibration Update (AIV) for determining frequency ranges and stress results for high frequencies
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The Saddle Wizard is a step-by-step interactive modeler that allows the user to design their horizontal vessel and saddle for any loading conditions.
The Pipe Shoe Wizard creates an FEA model of a pipe shoe on a cylinder to calculate local stress.
The Drawing Tools allow allows the user to add gussets, rings, clips and other attachments to an existing model.
Vessel Link allows the user to import models of any file type from DesignCalcs, Finglow, Codeware Compress and other Pressure Vessel design software to perform FEA.
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Program | Program Summary |
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MatPRO | MatPRO is PRG’s materials database that includes high temperature curves, allowable stress plots, NH reporting, creep-fatigue interaction diagrams, elastic-plastic stress strain curves and fatigue curves generated as a funtion of creep temperature. |
SIF / SSI / k (PRGik) | Compares SIFs and k-factors from B31 and other codes for branch connections and elbows. Hyper Degree of Freedom (HyperDOF) calculations can be performed for elbows with and without supports with refractory. |
High Frequency | Provides AIV calculation predictions of pressure levels from the surface of the vessel. This program is mainly used to:
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Flaw Detection | Predicts crack growth for given stress states in components to know when the crack will reach half wall and/or thru wall for leaks. This is a quick calculation based on observed crack growth in tested low carbon steel components. |
Nonlinear Analysis | Computes burst pressures, sustained stress indices, twice elastic slope load levels b, and a variety of load and unload conditions. |
Degree of Conservatism | This tools aids in determining the degree of conservatism on models. |
FE107 | FE107 replaces WRC 107 as a calculation tool that can be applied when WRC 107 or WRC 297 calculations or assumptions are limited. ASME Section VIII Div 2 allowables are printed along with flexibilities and allowable loads for forces, moments, and pressure. |
FESIF | Calculates SIFs and k-factors for standard B31 branch connection geometries. |
FETee | Along with performing FEA of contoured tees per user input, B16.9, or EN10253, this program mainly:
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