Linganisha mbinu
Pitia mbinu ulizochagua bega kwa bega; safu zinazotofautiana zinaangaziwa.
| Uchanganuzi wa Ufa wa Griffith× | Uchanganuzi wa mkusanyiko wa uvumilivu× | |
|---|---|---|
| Nyanja | Utengenezaji | Utengenezaji |
| Familia | Process / pipeline | Process / pipeline |
| Mwaka wa asili≠ | 1921 | 2006 |
| Mwanzilishi≠ | Alan A. Griffith | Drake, P. J. |
| Aina≠ | Theoretical model for brittle fracture and crack propagation | Method for analyzing tolerance accumulation in assemblies |
| Chanzo asilia≠ | Griffith, A. A. (1921). The phenomena of rupture and flow in solids. Philosophical Transactions of the Royal Society A, 221, 163-198. link ↗ | Drake, P. J. (2006). Dimensioning and Tolerancing Handbook (2nd ed.). McGraw-Hill. ISBN: 0-07-145215-8 |
| Majina mbadala | Brittle fracture theory, Energy release rate, Linear elastic fracture mechanics | Stack-up analysis, Tolerance accumulation, Geometric tolerance |
| Zinazohusiana | 4 | 4 |
| Muhtasari≠ | Griffith's theory of brittle fracture explains how small flaws or cracks in materials grow unstably, leading to sudden catastrophic failure. Formulated by Alan A. Griffith in 1921 through experiments on glass fibers, this theory balances the elastic energy released by crack growth against the surface energy required to create new material surfaces. It predicts that materials fail at stresses far below their theoretical strength due to the stress concentration around pre-existing flaws. | Tolerance stack-up analysis is a method for predicting the cumulative effect of manufacturing tolerances on the final dimensions and fit of assembled components. When parts with individual tolerances are assembled together, their tolerances combine in complex ways, often producing a result that is worse than each part individually. Stack-up analysis ensures that the final assembly will function correctly despite individual part tolerances, or identifies where tighter tolerances are necessary. |
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