Abstract
Two parallel comparative ‘Conventional Method and Computer Simulation using ANSYS software’for prediction of crack growth and its behavior in optical fiber are studied and presented in this work.Corresponding finite element analysis was performed to determine the evolution of stress and strain states. Themethod is developed and combined with the modified J-integral theory to deal with this problem. The effects ofcrack length, temperature and mechanical forces are investigated by Finite Element Method in the crackedbody. The conditions where the Mode I stress intensity factor motivate fracture occurrence is investigated andvariations of the different cases are discussed. The most deleterious situation is found to be that wherein theentire model reaches rupture at some stage. The accuracy of the method is investigated through comparison ofnumerical results with computerized simulation using commercial ANSYS software.
Highlights
R ecently, an increasing attention is attracted by a new development of microstructure optical fibers in telecommunication systems
The goal of the current study is to investigate the fracture behavior of microstructure optical fibers containing surface cracks and environmental effects like temperature
Finite element method is coded in MathCAD program to inspect fracture behavior and the results are compared with the ANSYS analysis
Summary
R ecently, an increasing attention is attracted by a new development of microstructure optical fibers in telecommunication systems. Optical fibers are going to be employed as a replacement of metal wires as the transmission medium in high-speed, high-capacity communication systems and are superior to that of conventional copper cable. In this design data is converted into light transmitted via fiber optic cables with less loss. Very few investigations have been conducted on their mechanical and fracture behavior of microstructure optical fibers [4] These studies were conducted without considering temperature impacts. The goal of the current study is to investigate the fracture behavior of microstructure optical fibers containing surface cracks and environmental effects like temperature. The effects of crack configurations, closure stresses and temperature on the failure load have been investigated
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