পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| Griffith Fracture Mechanics× | ডিজাইন ফর ম্যানুফ্যাকচারিং অ্যান্ড অ্যাসেম্বলি× | |
|---|---|---|
| ক্ষেত্র | উৎপাদন | উৎপাদন |
| পরিবার | Process / pipeline | Process / pipeline |
| উদ্ভবের বছর≠ | 1921 | 1994 |
| প্রবর্তক≠ | Alan A. Griffith | Boothroyd, G., Dewhurst, P. |
| ধরন≠ | Theoretical model for brittle fracture and crack propagation | Systematic approach to cost-effective product design |
| মৌলিক উৎস≠ | Griffith, A. A. (1921). The phenomena of rupture and flow in solids. Philosophical Transactions of the Royal Society A, 221, 163-198. link ↗ | Boothroyd, G., Dewhurst, P., & Knight, W. A. (1994). Product Design for Manufacturing and Assembly (1st ed.). Marcel Dekker. ISBN: 0-8247-9157-6 |
| অপর নাম | Brittle fracture theory, Energy release rate, Linear elastic fracture mechanics | DFMA, Design for manufacturability, DFA |
| সম্পর্কিত | 4 | 4 |
| সারসংক্ষেপ≠ | 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. | Design for Manufacturing and Assembly (DFMA) is a systematic methodology for creating products that are inherently easier and less expensive to manufacture and assemble. Developed by Boothroyd, Dewhurst, and Knight, DFMA evaluates design choices based on their impact on production cost, quality, and speed, guiding designers toward solutions that balance performance, manufacturability, and economics. |
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