Predicting fatigue life of composite materials is essential to increase reliability of manufacturing systems. The predicting techniques for fatigue life of composite materials are not widely investigated. The support vector regression (SVR) is an emerging forecasting technique and has been applied in many areas successfully. Therefore, this study attempts to examine the feasibility of SVR in pr...

the relationship between fatigue and mental health in chemical warfare victims with bronchiolitis obliterans     abbasi s [1] , mehdizadeh s [2] *, moqaddam m [3]     received: 8 mar, 2013 accepted: 10 may, 2013    abstract  background & aims : fatigue is one of the most debilitating symptoms in patients with respiratory disorders. in addition, among the chronic disease, lung disease have the h...

normal 0 false false false en-us x-none ar-sa background: circadian rhythm sleep disorders are a presentation of sleep disorders in patients with multiple sclerosis (ms). this study aims to compare this problem in ms patients with healthy people and to determine its association with chronic fatigue in ms patients. materials and methods: a case-control study was performed on 120 ms patients and ...

background: fatigue is considered as a major problem in hemodialysis patients and can impair their quality of life. the purpose of this study was to investigate the effectiveness of acupressure on fatigue in hemodialysis patients. materials and methods: this is a clinical trial study in which 96 hemodialysis patients participated. patients were randomly assigned into acupressure, placebo, and c...

the comparison of the effects of effleurage massage with aromatic oil and non aromatic oil on fatigue severity in women with multiple sclerosis bahraini s , naji sa * , mannani r , bekhradi r received: 15june, 2011 accepted: 5september, 2011 abstract background & aims: fatigue is one of the most common signs in multiple sclerosis and also it is one of the common reasons of low quality of life a...

Artificial Neural Networks (ANN) have recently been used in modeling the mechanical behavior of fiber-reinforced composite materials. The use of ANN in predicting fatigue failure in composites would be of great value if one could predict the failure of materials other than those used for training the network. This would allow developers of new materials to estimate in advance the fatigue proper...

abstract background: fatigue is the most common side effect of chemotherapy in children with acute lymphoblastic leukemia (all).acupressure is one of the most popular non‑pharmacologic methods used to reduce fatigue in other settings. the aim of the study was to evaluate the effect of acupressure on reducing fatigue among children with all compared with a placebo treatment. materials and method...

microalloyed s355n steel plates are extensively used in bridge and high-rise building structures. one ofthe factors affecting the mechanical properties is the size and morphology of inclusions. in this research,microalloyed s355n steel plates with different sizes of inclusions were examined. one contained longmanganese sulfide inclusions (li material) and the other had short ones (si material)....

This study aims to validate, using finite element analysis (FEA), the design concept by comparing the fatigue behavior of hip implant stems coated with composite (carbon/PEEK) and polymeric (PEEK) coating materials corresponding to different human activities: standing up, normal walking and climbing stairs under dynamic loadings to find out which of all these models have a better performance in...