Primary Learning Guidance of Linear Elastic Fracture Mechanics

Yang ZENG

School of Civil Engineering & Architecture, Chongqing Jiaotong University, Chongqing 400074, CHINA

Abstract: The traditional strength theory ignores the internal defects of the component ,such as porosities, cracks etc. Thus it easily leads to low stress fracture accidents, which has its own very limited. Fracture mechanics is an emerging subject, starting from the actual defect of the substance itself. And it can analyze the actual carrying capacity very well for avoiding accidents. Through studying fracture mechanics, it can be better to guide the engineering practice. However, when facing the complicated mathematical formula derivation and strange elastic mechanics in the process of learning fracture mechanics, many beginners can’t understand, let alone use the knowledge of fracture mechanics to guide the engineering practice. As the basis of learning fracture mechanics, linear elastic fracture mechanics is the key. Therefore it is necessary to guide the study of linear elastic fracture mechanics.

Keywords: Fracture Mechanics; Linear Elastic; Guidance