Search Results - "Sadok, Sassi"

Experimental and numerical investigation of damping in a hybrid automotive damper combining viscous and multiple-impact mechanisms by Badri, Yousif, Sassi, Sadok, Hussein, Mohammed, Renno, Jamil

“…One of the least investigated approaches in passive vibration control is the possibility of combining different types of dampers that use different damping…”
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Hybrid fuzzy sliding mode for stick-slip suppression in drill string systems by Krama, Abdelbasset, Gharib, Mohamed, Refaat, Shady S., Sassi, Sadok

“…Stick-slip vibration is one of the main factors that contribute greatly to reducing the service life of drill string equipment and decreasing the efficiency of…”
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Calculating the response of waveguides to base excitation using the wave and finite element method by Renno, Jamil, Sassi, Sadok, Alnahhal, Wael I

“…The prediction of the response of waveguides to time-harmonic base excitations has many applications in mechanical, aerospace and civil engineering. The…”
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Fractional-order controllers for stick-slip vibration mitigation in oil well drill-strings by Derbal, Massinissa, Gharib, Mohamed, Refaat, Shady S, Palazzolo, Alan, Sassi, Sadok

“…Drillstring–borehole interaction can produce severely damaging vibrations. An example is stick–slip vibration, which negatively affects drilling performance,…”
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Enhancing the damping effect of MRF damper using an external magnetic excitation system by Badri, Yousif, Alhams, Amir, Sassi, Sadok, Hussein, Mohammed, Renno, Jamil

“…The magnetic field generated by the damper’s magnetic circuit governs the yield stress value of the Magnetroholgical Fluid (MRF) damper and hence its damping…”
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Design and efficiency evaluation of a new wearable device for multi-degree suppression of hand pathological tremor by Yousef, Mo’ath, Hafizh, Muhammad, Sassi, Sadok, Muthalif, Asan G.A

“…Sufferers of onset upper limb tremors find difficulty performing daily tasks due to rapid involuntary movements. Traditional treatments being offered help…”
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Dynamic Response of a Rotating Assembly under the Coupled Effects of Misalignment and Imbalance by Gowid, Samer Abdelazim, Renno, Jamil, Sassi, Sadok, Desouki, Mohamed

“…In rotating machinery, the second most common fault after imbalance is misalignment. Misalignment can have a severe impact on equipment and may reduce the…”
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Model-Based Analysis of Spur Gears’ Dynamic Behavior in the Presence of Multiple Cracks by Mohamed, Ahmed Saeed, Roshun Paurobally, Mohammad, Sassi, Sadok

“…Early detection of tooth cracks is crucial for effective condition-based monitoring and decision making. The scope of this work was to bring more insight into…”
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Investigating the characteristics of a magnetorheological fluid damper through CFD modeling by Badri, Yousif, Syam, Thaer, Sassi, Sadok, Hussein, Mohammed, Renno, Jamil, Ghаni, Sаud

“…Computational Fluid Dynamics (CFD) analysis is conducted on mono-tube vehicle MRF damper investigated experimentally in a previous study. In this study, the…”
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On the Suitability of Vibration Acceptance Criteria of Process Pipework by Shady, Omar Tawfik, Renno, Jamil, Mohamed, M. Shadi, Sassi, Sadok, Muthalif, Asan G. A.

“…The risk of vibration-induced fatigue in process pipework is usually assessed through vibration measurements. For small-bore pipework, integrity personnel…”
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Vibration of Periodic Drill-Strings with Local Sources of Resonance by Akl, Wael, Alsupie, Hajid, Sassi, Sadok, Baz, Amr M.

“…A new class of drill-strings is proposed for attenuating undesirable vibrations to ensure effective operation. The drill-string is provided with passive…”
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“Gallstone Ileus” by Collins et al by Bouassida, Mahdi, MD, Sassi, Selim, MD, Mighri, Mohamed Mongi, PhD, Touinsi, Hassen, PhD, Sassi, Sadok, PhD

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Contribution of friction-induced vibration to the realistic failure analysis of spur gear cracked teeth by Abdallah, Omran, Sassi, Sadok

“…•This study numerically and experimentally investigated the dynamic response of a set of spur gears subjected to an impulsive response generated by periodic…”
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Inflammatory myofibroblastic tumor of the lung: a benign lesion with aggressive behavior by Ezzine-Baccari, Sonia, Bacha, Dhouha, Sassi, Sélim, Abouda, Maher, Ghrairi, Hédia, Touinsi, Hassen, Sassi, Sadok

“…Inflammatory myofibroblastic tumor is a rare solid tumor that most often affects children and young adults. They present as myofibroblastic cell proliferations…”
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Clinico-Pathological Caracteristics, Therapeutic Features and Post-operative Course of Colorectal Cancer in Elderly Patients by Bouassida, Mahdi, Chtourou, Mohamed Fadhel, Hamzaoui, Lamine, Sassi, Selim, Mighri, Mohamed Mongi, Azzouz, Mohamed M'saddak, Touinsi, Hassen, Sassi, Sadok

“…Colorectal cancer is predominantly a disease of elderly people and is a major cause of morbidity and mortality in the elderly population. The geriatric…”
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Patent foramen ovale as a cause of a massif paradoxical oxygen embolism after hydrogen peroxide irrigation by Ezzine Baccari, Sonia, Bouzaidi, Khaled, Ben Ali, Mechaal, Baraket, Nadia, Touinsi, Hassen, Sassi, Sadok

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Iatrogenic colorectal Kaposi sarcoma complicating a refractory ulcerative colitis in a human immunodeficiency negative-virus patient by Hamzaoui, Lamine, Kilani, Houda, Bouassida, Mahdi, Mahmoudi, Moufida, Chalbi, Emna, Siai, Karima, Ezzine, Heykel, Touinsi, Hassen, Azzouz, Mohamed M'saddak, Sassi, Sadok

“…Kaposi sarcoma is a mesenchymal tumor associated to a human herpes virus-8. It often occurs in human immunodeficiency virus-positive subjects. Colorectal…”
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Meckel's diverticulum: an exceptional cause of vesicoenteric fistula: case report and literature review by Bouassida, Mahdi, Mighri, Mohamed Mongi, Trigui, Khaled, Chtourou, Mohamed Fadhel, Sassi, Selim, Feidi, Bilel, Chebbi, Fathi, Bouzaidi, Khaled, Touinsi, Hassen, Sassi, Sadok

“…Meckel's diverticulum is the most common congenital malformation of the gastrointestinal tract. It can cause complications in the form of ulceration,…”
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A wandering spleen presenting as a hypogastric mass: case report by Bouassida, Mahdi, Sassi, Selim, Chtourou, Mohamed Fadhel, Bennani, Noomen, Baccari, Sonia, Chebbi, Fathi, Benali, Mechaal, Mighri, Mohamed Mongi, Touinsi, Hassen, Sassi, Sadok

“…Wandering spleen is a rare condition characterized by the absence or underdevelopment of one or all of the ligaments that hold the spleen in its normal…”
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Huge desmoid tumor of the anterior abdominal wall mimicking an intraabdominal mass in a postpartum woman: a case report by Trigui, Khaled, Bouassida, Mahdi, Kilani, Houda, Mighri, Mohamed Mongi, Sassi, Selim, Chebbi, Fathi, Touinsi, Hassen, Sassi, Sadok

“…Desmoid tumors are benign neoplasms that most often arise from muscle aponeurosis and have been associated with both trauma and pregnancy. The etiology of…”
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