منابع مشابه
An Artificial Neural Network-Based Algorithm for Evaluation of Fatigue Crack Propagation Considering Nonlinear Damage Accumulation
In the aerospace and aviation sectors, the damage tolerance concept has been applied widely so that the modeling analysis of fatigue crack growth has become more and more significant. Since the process of crack propagation is highly nonlinear and determined by many factors, such as applied stress, plastic zone in the crack tip, length of the crack, etc., it is difficult to build up a general an...
متن کاملA Modified Nonlinear Damage Accumulation Model for Fatigue Life Prediction Considering Load Interaction Effects
Many structures are subjected to variable amplitude loading in engineering practice. The foundation of fatigue life prediction under variable amplitude loading is how to deal with the fatigue damage accumulation. A nonlinear fatigue damage accumulation model to consider the effects of load sequences was proposed in earlier literature, but the model cannot consider the load interaction effects, ...
متن کاملModel of flexural fatigue damage accumulation for cortical bone.
Analytical models that predict modulus degradation in cortical bone subjected to uniaxial fatigue loading in tension and compression are presented. On the basis of experimental observations, damage was modeled as self-limiting for tension but not for compression. These mechanistic uniaxial damage models were then developed into a model for flexural fatigue of cortical bone based on laminated be...
متن کاملFatigue Damage
Prevention of unexpected failures is a fundamental design objective in any engineering structure or system subjected to fatigue. Nevertheless, the complexity of modern structures and the interactivity among engineering systems, coupled with human fallibility, means that failure and its consequences can only be avoided to a statistical probability. Hence, occasional catastrophic failures will oc...
متن کاملFatigue damage in solder joints
Miniaturisation of electronic products is increasingly important for reasons of functionality enhancement and freedom of design. This is realised by integration into silicon and developing miniature packages with high I/O and power dissipation density. Generally this leads to elevated temperatures, not only in the components but also in the solder joints. Elevated temperature cycling leads to f...
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ژورنال
عنوان ژورنال: Fatigue of Aircraft Structures
سال: 2015
ISSN: 2300-7591
DOI: 10.1515/fas-2015-0003