When a Bolted Joint Must Be Calculated Systematically to VDI 2230
2026-09-07 · von Berg
Is a Cracked Steel Plate Still Safe After 20 Years of Irradiation? The FITNET Neutron-Irradiated Plate Example, Assessed with BS 7910 Clause 7
2026-08-27 · von Berg
Continuous or Discontinuous Yielding? The Two Ways BS 7910 Draws Option 1 and Option 2
2026-07-04 · von Berg
Clause 7’s Three Assessment Options: How to Choose Between Option 1 / 2 / 3, and How They Differ
2026-07-03 · von Berg
A Concise Guide to BS 7910 Annex P
2026-07-02 · von Berg
A Concise Guide to BS 7910 Annex M
2026-07-02 · von Berg
BS 7910 Annex D: How a Misaligned Weld Forces a Layer of Bending Stress
2026-06-26 · von Berg
FITNET SSTP10: FAD Assessment of a Through-Thickness Crack Under Ductile Tearing
2026-06-25 · von Berg
Where Does the Welding Residual Stress Intensity Factor Come From? Integrating an A533B Residual Profile into a SIF with BS 7910 Annex M.4.2
2026-06-25 · von Berg
Problem 4 — HLHT: the double dividend of PWHT, and a thought-provoking twist (the A533B high-load-ratio finale)
2026-06-24 · von Berg
Problem 3 — HLAW: into the high load-ratio regime, where plasticity dilutes residual stress (A533B as-welded, −30 ℃)
2026-06-24 · von Berg
Problem 2 — LLHT: PWHT Relaxes Residual Stress by an Order of Magnitude, Same Temperature and Region for a Head-to-Head
2026-06-24 · von Berg
Problem 1 LLAW: How far does residual stress push the assessment point past the FAL? — An A533B as-welded, low-temperature FAD walkthrough
2026-06-24 · von Berg
FITNET: The Origins of Europe’s Unified Fitness-for-Service Procedure
2026-06-24 · von Berg
BS 7910 FAD Assessment: What Residual Stress Does, Seen Through a FITNET Case
2026-06-23 · von Berg
What Is Fitness-for-Service (FFS) Assessment?
2026-06-19 · von Berg
A Concise Guide to BS 7910 Fracture Assessment
2026-05-16 · von Berg
BS 7910 Annex J: Estimating Fracture Toughness K_mat from Charpy Energy
2026-05-16 · von Berg
VDI 2230 (010): Eccentric Load and Bending-Moment Effect
2026-04-20 · von Berg
VDI 2230 (009): Full Worked Example (ESV)
2026-04-20 · von Berg
VDI 2230 (008): Full Worked Example (DSV)
2026-04-20 · von Berg
VDI 2230 (007): The Six Strength Checks R7–R13
2026-04-20 · von Berg
VDI 2230 (006): Preload Design R1–R6
2026-04-20 · von Berg
VDI 2230 (005): Clamped-Parts Resilience δP and the Cone Model
2026-04-20 · von Berg
VDI 2230 (004): Bolt Elastic Resilience δS Explained
2026-04-20 · von Berg
VDI 2230 (003): Spring Model and Force Distribution
2026-04-20 · von Berg
VDI 2230 (002): Scope and Standard Positioning
2026-04-20 · von Berg
VDI 2230 (001): Why Systematic Calculation?
2026-04-20 · von Berg
Bolt Pre-selection (004): A Physical Look at Bearing Pressure
2026-04-13 · von Berg
Bolt Pre-selection (002): The Reduction Factor κ Explained
2026-04-13 · von Berg
Bolt Pre-selection (001): From Load to Size, Fast
2026-03-26 · von Berg
Bolt Basics (001): Thread Geometry and Classification
2026-03-22 · von Berg
ASME XI (2025) Appendix Y: New-Rule Analysis and Calculation Guide
2026-02-23 · von Berg
Fatigue Crack Growth and Environmental Effects (KTA 3206)
2026-02-21 · von Berg
KTA 3206 LBB Analysis Guide: Break Exclusion for Piping by the Seven-Step Method
2026-02-19 · von Berg
LBB (Leak-Before-Break): An Introductory Guide
2026-02-02 · von Berg