Mohammed F. Daqaq
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View article: Deep Reinforcement Learning in Action: Real-Time Control of Vortex-Induced Vibrations
Deep Reinforcement Learning in Action: Real-Time Control of Vortex-Induced Vibrations Open
This study showcases an experimental deployment of deep reinforcement learning (DRL) for active flow control (AFC) of vortex-induced vibrations (VIV) in a circular cylinder at a high Reynolds number (Re = 3000) using rotary actuation. Depa…
View article: Casting Computational Fluid Mechanics into a Convex Quadratic Optimization Framework
Casting Computational Fluid Mechanics into a Convex Quadratic Optimization Framework Open
We employ the principle of minimum pressure gradient to transform problems in unsteady computational fluid dynamics (CFD) into a convex optimization framework subject to linear constraints. This formulation permits solving, for the first t…
View article: Shape-Changing structures for natural ventilation: A feasibility study of passive ventilation enhancement via origami-driven stack effect
Shape-Changing structures for natural ventilation: A feasibility study of passive ventilation enhancement via origami-driven stack effect Open
View article: A Variational Computational-based Framework for Unsteady Incompressible Flows
A Variational Computational-based Framework for Unsteady Incompressible Flows Open
Advancements in computational fluid mechanics have largely relied on Newtonian frameworks, particularly through the direct simulation of Navier-Stokes equations. In this work, we propose an alternative computational framework that employs …
View article: Origami-/kirigami-inspired structures: from fundamentals to applications
Origami-/kirigami-inspired structures: from fundamentals to applications Open
View article: Ferroelastic ionic organic crystals that self-heal to 95%
Ferroelastic ionic organic crystals that self-heal to 95% Open
The realm of self-healing materials integrates chemical and physical mechanisms that prevent wear and fracturing and extend the operational lifetime. Unlike the favorable rheology of amorphous soft materials that facilitates efficient cont…
View article: The principle of minimum pressure gradient: An alternative basis for physics-informed learning of incompressible fluid mechanics
The principle of minimum pressure gradient: An alternative basis for physics-informed learning of incompressible fluid mechanics Open
Recent advances in the application of physics-informed learning in the field of fluid mechanics have been predominantly grounded in the Newtonian framework, primarily leveraging Navier–Stokes equations or one of their various derivatives t…
View article: Estimating the State-of-Charge of a Battery Powered by a Weakly Nonlinear Energy Harvester
Estimating the State-of-Charge of a Battery Powered by a Weakly Nonlinear Energy Harvester Open
Departing from the traditional approach which focuses on estimating and maximizing the power dissipated in a resistive load, this work presents an approximate analytical treatment for the estimation of the state-of-charge (SoC) of a batter…
View article: An origami-inspired energy absorber
An origami-inspired energy absorber Open
The design of effective and compact energy absorption systems is key to the survivability and durability of many man-made structures and machines. To this end, this work presents the design, assessment, and implementation of a novel origam…
View article: The Kresling origami spring: a review and assessment
The Kresling origami spring: a review and assessment Open
Structures inspired by the Kresling origami pattern have recently emerged as a foundation for building functional engineering systems with versatile characteristics that target niche applications spanning different technological fields. Th…
View article: AI-based shape optimization of galloping micro-power generators: exploring the benefits of curved surfaces
AI-based shape optimization of galloping micro-power generators: exploring the benefits of curved surfaces Open
The advent of flow micro-power generation has resparked the interest in researching the galloping instability with the objective of determining the shape of the bluff body that is most prone to galloping. Such shape, which is sought to max…
View article: The Principle of Minimum Pressure Gradient: An Alternative Basis for Physics-Informed Learning of Incompressible Fluid Mechanics
The Principle of Minimum Pressure Gradient: An Alternative Basis for Physics-Informed Learning of Incompressible Fluid Mechanics Open
Recent advances in the application of physics-informed learning into the field of fluid mechanics have been predominantly grounded in the Newtonian framework, primarly leveraging Navier-Stokes Equation or one of its various derivative to t…
View article: Origami-Inspired Haptics: A Literature Review
Origami-Inspired Haptics: A Literature Review Open
Origami, the art of paper folding, addresses traditionally conflicting requirements for designing both powerful and low-cost haptic interfaces. As of today, there are no comprehensive reviews that cover origami-inspired haptic actuation, s…
View article: Welcome
Welcome Open
The Steering Committee of the 22nd International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS 2023) is happy to welcome you to Abu Dhabi, the capital of the United Arab Emirates.…
View article: An Origami-Inspired Energy Absorber
An Origami-Inspired Energy Absorber Open
The design of effective and compact energy absorption systems is key to the survivability and durability of many man-made structures and machines. To this end, this work presents the design, assessment, and implementation of a novel origam…
View article: Author Correction: Perception, performance, and detectability of conversational artificial intelligence across 32 university courses
Author Correction: Perception, performance, and detectability of conversational artificial intelligence across 32 university courses Open
View article: Physics-Informed Solution of The Stationary Fokker-Plank Equation for a Class of Nonlinear Dynamical Systems: An Evaluation Study
Physics-Informed Solution of The Stationary Fokker-Plank Equation for a Class of Nonlinear Dynamical Systems: An Evaluation Study Open
The Fokker-Planck (FP) equation is a linear partial differential equation which governs the temporal and spatial evolution of the probability density function (PDF) associated with the response of stochastic dynamical systems. An exact ana…
View article: Perception, performance, and detectability of conversational artificial intelligence across 32 university courses
Perception, performance, and detectability of conversational artificial intelligence across 32 university courses Open
View article: Origami-Inspired Composite Springs with Bi-directional Translational-Rotational Functionalities
Origami-Inspired Composite Springs with Bi-directional Translational-Rotational Functionalities Open
Many of the patterns seen in Origami are currently being explored as a platform for building functional engineering systems with versatile characteristics that cater to niche applications in various technological fields. One such pattern i…
View article: Perception, performance, and detectability of conversational artificial intelligence across 32 university courses
Perception, performance, and detectability of conversational artificial intelligence across 32 university courses Open
The emergence of large language models has led to the development of powerful tools such as ChatGPT that can produce text indistinguishable from human-generated work. With the increasing accessibility of such technology, students across th…
View article: An Origami-Inspired Design of Highly Efficient Cellular Cushion Materials
An Origami-Inspired Design of Highly Efficient Cellular Cushion Materials Open
Current architectured cellular cushion materials rely mainly on damage and/or unpredictable collapse of their unit cells to absorb and dissipate energy under impact. This prevents shape recovery and produces undesirable force fluctuations …
View article: Active Shaping of a Bi-Stable Potential: Exploring Nonlinear Coupling to a Stiff Externally-Excited Oscillator
Active Shaping of a Bi-Stable Potential: Exploring Nonlinear Coupling to a Stiff Externally-Excited Oscillator Open
View article: 3D microenvironment attenuates simulated microgravity-mediated changes in T cell transcriptome
3D microenvironment attenuates simulated microgravity-mediated changes in T cell transcriptome Open
View article: 3D microenvironment attenuates simulated microgravity-mediated changes in T cell transcriptome
3D microenvironment attenuates simulated microgravity-mediated changes in T cell transcriptome Open
Human space travel and exploration are of interest to both the industrial and scientific community. However, there are many adverse effects of spaceflight on human physiology. In particular, there is a lack of understanding to the extent b…
View article: Experimentally-validated computational modeling and characterization of the quasi-static behavior of functional 3D-printed origami-inspired springs
Experimentally-validated computational modeling and characterization of the quasi-static behavior of functional 3D-printed origami-inspired springs Open
View article: Response Behavior of Bi-stable Point Wave Energy Absorbers under Harmonic Wave Excitations
Response Behavior of Bi-stable Point Wave Energy Absorbers under Harmonic Wave Excitations Open
To expand the narrow response bandwidth of linear point wave energy absorbers (PWAs), a few research studies have recently proposed incorporating a bi-stable restoring force in the design of the absorber. Such studies have relied on numeri…
View article: Functional, Durable, and Scalable Origami-Inspired Springs
Functional, Durable, and Scalable Origami-Inspired Springs Open
Origami has recently emerged as a platform for building functional engineering systems with versatile characteristics that targeted niche applications. One widely utilized origami-based structure is known as the Kresling origami spring (KO…
View article: Suppression of galloping oscillations by injecting a high-frequency excitation
Suppression of galloping oscillations by injecting a high-frequency excitation Open
Galloping is an aeroelastic instability which incites oscillatory motion of elastic structures when subjected to an incident flow. Because galloping is often detrimental to the integrity of the structure, many research studies have focused…
View article: Vulnerability of MEMS Gyroscopes to Targeted Acoustic Attacks
Vulnerability of MEMS Gyroscopes to Targeted Acoustic Attacks Open
The goal of this paper is to assess the vulnerability of MEMS-based gyroscopes to targeted ultrasonic attacks. Towards this objective, a surface micromachined planar MEMS gyroscope is fixed in space and subjected to ultrasonic waves with f…
View article: Index
Index Open