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...
Blog Posts
Blog
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...
Design By Analysis: Stress-Based Approaches to Evaluating External Loads in Nozzles
The evaluation of flange designs has evolved with the incorporation of Code Case 2901 (CC 2901) into ASME Section VIII, Division 1 (UG-44(b)) and...
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Understanding Cyclic Behavior and Ratcheting Analysis: Advancements
Ratcheting is a critical failure mode in pressure vessels and piping systems, occurring when progressive and incremental plastic strain accumulates...
Finite Element Analysis in PVP Design: What You Should Know
In pressure vessel and piping (PVP) design, various analysis methods are used to assess the safety and performance of systems. While hand...