Search Results - "Shahab, Shima"

On nonlinear effects in holographic-modulated ultrasound by Sallam, Ahmed, Shahab, Shima

“…Holographic acoustic lenses (HALs), also known as acoustic holograms, are used for generating unprecedented complex focused ultrasound (FU) fields. HALs store…”
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Nonlinear Acoustic Holography With Adaptive Sampling by Sallam, Ahmed, Shahab, Shima

“…Accurate and efficient numerical simulation of highly nonlinear ultrasound propagation is essential for a wide range of therapeutic and physical ultrasound…”
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Qualifying the contribution of fiber diameter on the acrylate-based electrospun shape memory polymer nano/microfiber properties by Xi, Jiaxin, Shahab, Shima, Mirzaeifar, Reza

“…Fibrous shape memory polymers (SMPs) have received growing interest in various applications, especially in biomedical applications, which offer new structures…”
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Electrode pattern definition in ultrasound power transfer systems by Sayed Ahmed, Moustafa, Shahab, Shima

“…We use a high pattern-fidelity technique on piezoelectric electrodes to selectively excite high-order vibration modes, while isolating other modes, in…”
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Holographic mirrors for spatial ultrasound modulation in contactless acoustic energy transfer systems by Sallam, Ahmed, Meesala, Vamsi C., Hajj, Muhammad R., Shahab, Shima

“…This work introduces and investigates a flat acoustic mirror capable of efficiently manipulating a wavefront and creating an arbitrary pressure pattern in a…”
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Nonlinear effects in high-intensity focused ultrasound power transfer systems by Bhargava, Aarushi, Meesala, Vamsi C., Hajj, Muhammad R., Shahab, Shima

“…In the context of wireless acoustic power transfer, high-intensity focused ultrasound technology aims at the reduction of spreading losses by concentrating the…”
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Focused ultrasound actuation of shape memory polymers; acoustic-thermoelastic modeling and testing by Bhargava, Aarushi, Peng, Kaiyuan, Stieg, Jerry, Mirzaeifar, Reza, Shahab, Shima

“…Controlled drug delivery (CDD) technologies have received extensive attention recently. Despite recent efforts, drug releasing systems still face major…”
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Modeling and identification of electro-elastic nonlinearities in ultrasonic power transfer systems by Meesala, Vamsi C., Hajj, Muhammad R., Shahab, Shima

“…We establish a nonlinear non-conservative mathematical framework for the acoustic-electro-elastic dynamics of the response of a piezoelectric disk to…”
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Soft and Hard Piezoelectric Ceramics and Single Crystals for Random Vibration Energy Harvesting by Shahab, Shima, Zhao, Sihong, Erturk, Alper

“…Abstract Vibration‐based energy harvesting for enabling next‐generation self‐powered devices is a rapidly growing research area. In real‐world applications,…”
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Energy dissipation of shock-generated stress waves through phase transformation and plastic deformation in NiTi alloys by Yazdandoost, Fatemeh, Sadeghi, Omidreza, Bakhtiari-Nejad, Marjan, Elnahhas, Ahmed, Shahab, Shima, Mirzaeifar, Reza

“…•The interaction between propagation of shock-induced stress waves and phase transformation in Nickel–Titanium (NiTi) shape memory alloys is studied.•The…”
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Effects of Nonlinear Propagation of Focused Ultrasound on the Stable Cavitation of a Single Bubble by Bakhtiari-Nejad, Marjan, Shahab, Shima

“…Many biomedical applications such as ultrasonic targeted drug delivery, gene therapy, and molecular imaging entail the problems of manipulating microbubbles by…”
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Tailoring nonlinear ultrasound beams using acoustic lenses by Sallam, Ahmed, Shahab, Shima

“…Acoustic holographic lenses, i.e., acoustic holograms, can tailor ultrasound beams to precisely construct elaborate focal patterns. Due to their valuable…”
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Coupling of experimentally validated electroelastic dynamics and mixing rules formulation for macro-fiber composite piezoelectric structures by Shahab, Shima, Erturk, Alper

“…Piezoelectric structures have been used in a variety of applications ranging from vibration control and sensing to morphing and energy harvesting. In order to…”
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Acoustic-electroelastic modeling of piezoelectric disks in high-intensity focused ultrasound power transfer systems by Bhargava, Aarushi, Shahab, Shima

“…Contactless ultrasound power transfer (UPT) has emerged as one of the promising techniques for wireless power transfer. Physical processes supporting UPT…”
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Analysis and prediction of shock formation in acoustic energy transfer systems by Meesala, Vamsi C, Hajj, Muhammad R, Shahab, Shima

“…Losses associated with nonlinear wave propagation and exhibited by acoustic wave distortion and shock formation compromise the efficiency of contactless…”
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Investigation of thermomechanical behaviors of acrylate-based shape memory polymers by molecular dynamics simulation by Xi, Jiaxin, Agrawal, Arpit, Shahab, Shima, Mirzaeifar, Reza

“…Shape memory polymers (SMPs) have received a lot of attention lately due to their potential use as actuators in various applications, including robotics and…”
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Ductile Shape-Memory Polymer Composite with Enhanced Shape Recovery Ability by Peng, Kaiyuan, Zhao, Yao, Shahab, Shima, Mirzaeifar, Reza

“…In recent years, shape-memory polymers (SMPs) have received extensive attention to be used as actuators in a broad range of applications such as medical and…”
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Polymers in high-intensity focused ultrasound fields by Peng, Kaiyuan, Shahab, Shima, Mirzaeifar, Reza

“…High-intensity focused ultrasound (HIFU) is a promising stimulus that has received extensive attention during the past two decades due to numerous advantages…”
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Reflective acoustic holograms for arbitrary pressure patterning and focusing by Sallam, Ahmed, Meesala, Vamsi C., Shahab, Shima

“…Monolithic passive holographic lenses (MPHLs) are being proposed as an alternative technology to phased array transducers (PATs) and subwavelength structured…”
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Shock formation distance—A design parameter for high power acoustic energy transfer systems by Meesala, Vamsi C., Hajj, Muhammad, Shahab, Shima

“…An interesting consequence of the nonlinear propagation of a finite-amplitude acoustic wave is the formation of a discontinuity in the pressure or also known…”
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