Search Results - "Ahmadi, Keivan"

Optimization of material removal rate in milling of thin-walled structures using penalty cost function by Ringgaard, Kasper, Mohammadi, Yaser, Merrild, Christian, Balling, Ole, Ahmadi, Keivan

“…The high flexibility of thin-walled structures makes their machining process prone to chatter and excessive vibrations. This challenge is compounded by the…”
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Substructure analysis of vibration-assisted drilling systems by Ostad Ali Akbari, Vahid, Ahmadi, Keivan

“…Designing vibration-assisted drilling (VAD) toolholders requires accurately modeling the dynamics of the mechanical structure and its electromechanical…”
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Antimicrobial Resistance and Community Pharmacists' Perspective in Thailand: A Mixed Methods Survey Using Appreciative Inquiry Theory by Netthong, Rojjares, Kane, Ros, Ahmadi, Keivan

“…Global action plans to tackle antimicrobial resistance (AMR) are the subject of ongoing discussion between experts. Community pharmacists have a professional…”
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Public awareness, prevalence, and regulations for the sale of electronic cigarettes in Arab countries: A narrative review by Jirjees, Feras, Dallal Bashi, Yahya H., Kharaba, Zelal, Ahmadi, Keivan, Barakat, Muna, AlObaidi, Hala

“…The majority of the Arab countries have high records of daily tobacco smoking. Electronic cigarettes (e-cigarettes) use has exponentially increased in the past…”
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Antimicrobial Resistance, Pharmacists, and Appreciative Inquiry: Development of a Novel Measurement Tool by Netthong, Rojjares, Ahmadi, Keivan, Kane, Ros

“…Antimicrobial resistance (AMR) is a threat to achieving the United Nation’s (UN) sustainable development goals (SDGs). The behavior of stakeholders has…”
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Electronic cigarettes for smoking cessation in pregnancy: a nation–wide mixed methods study by Broadfield, Amy, Ayre, Helen, Ahmadi, Keivan

“…Background/Aims The use of electronic cigarettes for smoking cessation during pregnancy is supported by Public Health England and the Royal College of…”
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Awareness of school students on sexually transmitted infections (STIs) and their sexual behavior: a cross-sectional study conducted in Pulau Pinang, Malaysia by Anwar, Mudassir, Sulaiman, Syed Azhar S, Ahmadi, Keivan, Khan, Tahir M

“…Sexually transmitted Infections (STIs) rank among the most important health issues for the people especially the young adults worldwide. Young people tend to…”
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Use of Central Nervous System (CNS) Medicines in Aged Care Homes: A Systematic Review and Meta-Analysis by Hasan, Syed Shahzad, Zaidi, Syed Tabish Razi, Nirwan, Jorabar Singh, Ghori, Muhammad Usman, Javid, Farideh, Ahmadi, Keivan, Babar, Zaheer-Ud-Din

“…Both old age and institutionalization in aged care homes come with a significant risk of developing several long-term mental and neurological disorders, but…”
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Chatter in milling with robots with structural nonlinearity by Mohammadi, Yaser, Ahmadi, Keivan

“…Stiffness and damping nonlinearities are often negligible in machine tool vibrations, but they are shown to be prominent in industrial robots that are used for…”
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Analytical investigation of machining chatter by considering the nonlinearity of process damping by Ahmadi, Keivan

“…In this paper, the well-established problem of self-excited vibrations in machining is revisited to include the nonlinearity of process damping at the tool and…”
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Bayesian updating of modal parameters for modeling chatter in turning by Ahmadi, Keivan

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Finite strip modeling of the varying dynamics of thin-walled pocket structures during machining by Ahmadi, Keivan

“…The structural model of the workpiece is required for modeling, analysis, and avoidance of forced and regenerative (chatter) vibrations in machining of…”
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Finite-amplitude stability in regenerative chatter: The effect of process damping nonlinearity and intermittent cutting in turning by Mohammadi, Yaser, Ahmadi, Keivan

“…The damping forces generated at the tool and workpiece interface, known as process damping, greatly influence the dynamics of regenerative chatter in…”
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Estimating pose-dependent FRF in machining robots using multibody dynamics and Gaussian Process Regression by Chen, Han, Ahmadi, Keivan

“…Frequency Response Functions (FRF) of the robot at its TCP are essential for modeling and suppression of industrial robots’ vibrations during machining…”
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Tracking control of non-minimum phase systems: a kernel-based approach by Mehrabi, Mohammadmahdi, Ahmadi, Keivan

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Modeling forces in milling screw rotors by Wang, Xi, Ahmadi, Keivan

“…The deflections of screw rotors under machining forces cause mismatch between the male and female rotors and, consequently, accelerated wear and suboptimal…”
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Metal additive manufacturing: Technology, metallurgy and modelling by Cooke, Shaun, Ahmadi, Keivan, Willerth, Stephanie, Herring, Rodney

“…This paper provides a comprehensive review of metal additive manufacturing, a rapidly evolving field with innovative technologies and processes. The purpose of…”
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Correction: Awareness of school students on sexually transmitted infections and their sexual behaviour: a cross-sectional study conducted in Pulau Pinang, Malaysia by Anwar, Mudassir, Sulaiman, Syed Azhar S, Ahmadi, Keivan, Khan, Tahir M

“…Sexually transmitted Infections (STIs) rank among the most important health issues for the people especially the young adults worldwide. Young people tend to…”
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A new iterative identification algorithm for estimating the LuGre friction model parameters by Mahmoudkhani, Saeed, Gorenstein, Johnathan, Ahmadi, Keivan

“…The parameters of dynamic friction models like the LuGre model are commonly identified by computationally intensive nonlinear optimization methods. In this…”
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Empirical modeling of force and temperature in drilling bone-simulating hybrid composites by Abusrea, Mahmoud, Ahmadi, Keivan, Sadek, Ahmad

“…Hybrid polymer composites are utilized in biomechanical design and orthopedic surgery training to imitate the thermomechanical behavior of human bones. Despite…”
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