Code SIF or FEA SIF? How FEA fills the SIF gaps For Unlisted B31.3 2024 Components
Many piping systems include components that don’t fit squarely into the standard fittings covered by the B31J-2023 SIF tables. Large branch...
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B31.3 vs. B31.1: Fatigue and Stress Range Changes in the 2025 Piping Codes
For years, ASME B31.1 and B31.3 have shared a broadly similar fatigue philosophy, even though each Code evolved from its own test sets, material...
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ASME Section VIII, Division 2 Part 5—Updated Creep Guidelines for 2025: What Engineers Need to Know
The 2025 Edition of ASME Section VIII, Division 2 brings a number of updates to high-temperature design practices. The changes to Part 5 expand the...
How Stress Error Estimates Are Calculated in Finite Element Analysis Software
Stress error estimates are commonly used in finite element analysis to indicate how stress varies within and between elements. These estimates do not...
Evaluating Mesh Quality with Finite Element Analysis
Mesh quality is a key consideration in finite element analysis, particularly when evaluating localized stresses near geometric discontinuities. To...
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ASME UG-44(b) and Code Case 2901-1: Navigating External Loads on Flanges
ASME Section VIII, Division 1 requires consideration of external loads under UG-22; but for decades, Division 1 did not offer a procedure for...
Addressing Complex Behaviors in LNG and Thin-Wall Piping Systems
In the LNG industry and other applications, piping systems encounter conditions not always addressed directly by design codes. High d/t ratios and...
Avoiding Common Piping and Analysis Pitfalls
Piping failures can put safety, reliability, and valuable resources at risk. The good news is that many of these failures are avoidable when...
Understanding SIFs, Stiffness, and Allowable Loads
Piping and pressure vessel engineers face a complex challenge when designing safe, reliable systems: accurately evaluating stresses, deformations,...
Advanced Modeling for Complex Piping Systems
Modern process facilities often face design challenges that extend beyond the limits of conventional piping codes. Systems with large...