Ali H. Hallal

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Parkinson's disease is characterized by involuntary movement of body parts resulting from antagonistic muscle contractions. In this paper, an effective passive vibration absorber is modeled to control the involuntary pathological rest tremor in the right hand of Parkinson's disease patient. The three-degree-of-freedom dynamic hand model capable to describe(More)
Parkinson's patients suffer from severe tremor due to an abnormality in their central oscillator. Medications used to decrease involuntary antagonistic muscles contraction can threaten their life. However, mechanical vibration absorbers can be used as an alternative treatment. The objective of this study is to provide a dynamic modeling of the human hand(More)
The following work aims to present a reliable numerical method for predicting the longitudinal permeability of a unidirectional (UD) stitched fabric. An experimental measurement of longitudinal permeability is done using a closed resin transfer mold (RTM) system. Concerning the Finite element modeling, an arrangement of the fiber bundles and a unit cell is(More)
BACKGROUND Few reports from the medical literature have presented severe mesh-related complications following laparoscopic repair of inguinal hernia. One of these complications is being mesh erosion into bowel, resulting in fistulous tract with subsequent abscess formation. CASE PRESENTATION A 75-year-old patient, status post laparoscopic bilateral(More)
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