FEA & Simulation

What Does MAWP Mean? Maximum Allowable Working Pressure Explained

MAWP shows up on every pressure vessel nameplate, every wellhead spec sheet, and nearly every FEA report scope — and it’s frequently confused with related-but-different terms like design pressure or operating pressure. Getting the distinction right matters, because MAWP is the number that actually defines the equipment’s legal and engineering limit. The definition Maximum Allowable

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What Is FEA (Finite Element Analysis) and Why Does It Matter for Pressure Equipment?

No one builds a physical wellhead, bolts it up, and pressure-tests it to destruction just to find out where it would fail — and even if you did, that single test wouldn’t tell you what happens at a different temperature, a different load combination, or a slightly different wall thickness. That’s the gap Finite Element

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API 6X vs. ASME BPVC Section VIII Division 2: Which Code Governs Your Pressure Equipment Analysis?

Two codes get named on almost every pressure-equipment analysis scope in this industry — API 6X and ASME BPVC Section VIII Division 2 — and it’s a fair question why you’d need both, or which one actually governs a given job. The short answer: they’re not competitors. One is a general pressure-vessel design code; the

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Elastic-Plastic vs. Linear-Elastic FEA: When Do You Actually Need Limit-Load Analysis?

Run a linear-elastic FEA on a pressure-containing component and it’s common to get a result that says the design fails — calculated stress above yield at a local hot spot — on a part that, in reality, has years of safe service behind it or would clearly survive a hydrotest. That’s not a wrong answer;

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Design Validation vs. Re-Rating by Analysis: What’s the Difference (and When Do You Need Each)?

“Can you analyze this for us” means two different jobs depending on whether the part exists yet. Design validation checks a new design before it’s built. Re-rating (or re-qualification) checks an existing, already-proven design against a duty it wasn’t originally analyzed for. They use the same FEA tools and the same codes, but the question

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Flange Bolted-Joint Analysis: Why “It Passed Visual Inspection” Isn’t a Compliance Check

A flanged connection that looks fine — bolts torqued to spec, gasket seated, no visible gap — can still be one thermal cycle or one pressure surge away from a leak path. Visual inspection and correct installation torque confirm the joint was built right; they don’t confirm it was designed right for the loads it

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