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| Author: | Osama Mohammed Elmardi دكتور أسامة محمد المرضي سليمان خيال |
| Category: | Mechanics And Its Sciences [Edit] |
| Language: | English |
| Pages: | 19 |
| File Size: | 1.32 MB |
| Extension: | |
| Creation Date: | 10 Oct 2019 |
| Rank: | 148,034 No 1 most popular |
| Short link: | Copy |
| More books like this book | |
The Publisher and the author
Book FUNDAMENTALS OF FRACTURE MECHANICS .
دكتور مهندس أسامة محمد المرضي سليمان وُلِدَ بمدينة عطبرة بالسودان في العام 1966م. حاز على دبلوم هندسة ميكانيكية من كلية الهندسة الميكانيكية – عطبرة في العام 1990م. تحصَّل أيضاً على درجة البكالوريوس في الهندسة الميكانيكية من جامعة السودان للعلوم والتكنولوجيا – الخرطوم في العام 1998م ، كما حاز على درجة الماجستير في تخصص ميكانيكا المواد من جامعة وادي النيل – عطبرة في العام 2003م ودرجة الدكتوراه من جامعة وادي النيل في العام 2017م. قام بالتدريس في العديد من الجامعات داخل السودان، بالإضافة لتأليفه لأكثر من ثلاثين كتاباً باللغة العربية ولعشرة كتب باللغة الإنجليزية بالإضافة لخمسين ورقة علمية منشورة في دور نشر ومجلات عالمية إلى جانب إشرافه على أكثر من ثلاثمائة بحث تخرج لكل من طلاب الماجستير، الدبلوم العالي، البكالوريوس، والدبلوم العام. يشغِل الآن وظيفة أستاذ مساعد بقسم الميكانيكا بكلية الهندسة والتقنية - جامعة وادي النيل. بالإضافة لعمله كاستشاري لبعض الورش الهندسية بالمنطقة الصناعية عطبرة. هذا بجانب عمله كمدير فني لمجموعة ورش الكمالي الهندسية لخراطة أعمدة المرافق واسطوانات السيارات والخراطة العامة وكبس خراطيش الهيدروليك.
Fracture is a problem that society has faced for as long as there have been man-made structures. The problem may actually be worse today than in previous centuries, because more can go wrong in our complex technological society. Major airline crashes, for instance, would not be possible without modern aerospace technology. Fortunately, advances in the field of fracture mechanics have helped to offset some of the potential dangers posed by increasing technological complexity. Our understanding of how materials fail and our ability to prevent such failures have increased considerably since World War II. Much remains to be learned, however, and existing knowledge of fracture mechanics is not always applied when appropriate. While catastrophic failures provide income for attorneys and consulting engineers, such events are detrimental to the economy as a whole. An economic study [1] and [2] estimated the annual cost of fracture in the U.S. in 1978 at $119 billion which was about 4% of the gross national product. Furthermore, this study estimated that the annual cost could be reduced by $35 billion if current technology were applied, and that further fracture mechanics research could reduce this figure by an additional $28 billion. This research paper will introduce several important means of understanding and dealing with fracture in stressed materials.
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