Article
Engineering, Multidisciplinary
R. Ibanez, D. H. Kelley
Summary: This study presents a novel bioinspired experimental apparatus for studying peristaltic flows. The apparatus offers a wider range of modeling capabilities compared to previous designs and is particularly useful for systems with complex waveforms. The capabilities of the apparatus are validated through comparisons with analytic results, demonstrating its usefulness for biophysical studies.
BIOINSPIRATION & BIOMIMETICS
(2022)
Article
Physics, Applied
Matthew D. Biviano, Magnus Paludan, Anneline H. Christensen, Emil Ostergaard, Kaare H. Jensen
Summary: Pulsating flows are common in various systems, but are often undesired. This study explores the use of a plant-inspired nonlinear resistor to smooth the output of a peristaltic pump, significantly reducing oscillation amplitudes. The observed flow kinetics align well with a predictive model, enabling the development of optimized fluid-handling systems driven by pulsatile flow.
PHYSICAL REVIEW APPLIED
(2022)
Article
Nanoscience & Nanotechnology
V. K. Narla, Dharmendra Tripathi, D. S. Bhandari, O. Anwar Beg
Summary: This article presents an analytical study of the electrokinetic effect on insect bio-inspired rhythmic pumping in a high aspect ratio micro-tube. The simulations reveal that thinner electrical double layer leads to higher volumetric flow rate and wall shear stress. This analysis provides novel insights into membrane-based pumping mechanisms in electroosmotic microfluidics devices and their applications in manipulating microscale internal flow.
MICROFLUIDICS AND NANOFLUIDICS
(2022)
Article
Thermodynamics
N. K. Ranjit, G. C. Shit, D. Tripathi
Summary: A mathematical model has been proposed to analyze the two-layered electrothermal flow of couple stress fluids via peristaltic propulsion, using a lubrication approach and Debye Huckel linearization to obtain the analytical solution. The study reveals that temperature decreases with increasing electrical double layer thickness, couple stress parameter, and Brinkman number, while it increases with Joule heating and thermal slip effects in the presence of thermal radiation.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2021)
Article
Physics, Applied
P. Vijayakumar, R. Hemadri Reddy
Summary: This study investigates the effects of complete slip conditions on the peristaltic pumping of a Casson nanofluid, and analyzes temperature distribution, velocity, pressure, and concentration in the flow. The results show that increasing velocity enhances the strength of liquid flow and pressure difference in the Casson fluid. This understanding is important for studying blood flow in small blood vessels.
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
(2023)
Article
Mathematics, Applied
A. Small, P. Nagarani, M. Narahari
Summary: The study investigates the flow of an incompressible Ellis fluid in an inclined asymmetric channel driven by peristaltic waves. The effects of wave amplitudes, phase angle, channel width, channel inclination angle, and fluid parameters on the flow characteristics were analyzed. The results showed that varying fluid parameters resulted in changes in the axial velocity distribution, with reduced velocity near the center and increased velocity at the periphery of the channel. The pressure rise per unit wavelength and volume flow rate exhibited a nonlinear relationship, with a more pronounced effect observed at higher volume flow rates. The streamlines and trapped region were strongly influenced by variations in wave amplitudes, volume flow, channel width, and phase angle.
JOURNAL OF APPLIED MATHEMATICS & INFORMATICS
(2023)
Article
Engineering, Mechanical
A. Rushi Kesava, A. N. S. Srinivas
Summary: This article investigates the peristaltic pumping of a two-layered model in a two-dimensional channel. It provides closed-form solutions for the physical quantities of peristaltic flow and analyzes the effect of different physical parameters on the fluid flow. The study reveals that the pressure in the two-layered model containing a non-Newtonian fluid in contact with a porous medium is higher compared to a viscous fluid in the peripheral layer. The findings of this study may contribute to the understanding of blood flow in capillaries.
NONLINEAR ENGINEERING - MODELING AND APPLICATION
(2022)
Article
Mechanics
Harsha Vaddireddy, Adil Rasheed, Anne E. Staples, Omer San
Article
Computer Science, Interdisciplinary Applications
Yasser Aboelkassem, Dragana Savic
Summary: This study introduces a new PSO method for computing parameters in the arterial blood flow model, showing efficiency and accuracy in parameter optimization. By optimizing the parameters, the method is able to recover the pressure waveform in the aorta, offering new possibilities for research in arterial blood flow network.
COMPUTER METHODS AND PROGRAMS IN BIOMEDICINE
(2021)
Article
Engineering, Multidisciplinary
Krishnashis Chatterjee, Philip M. Graybill, John J. Socha, Rafael Davalos, Anne E. Staples
Summary: The research shows that microfluidic devices designed by mimicking insect respiratory kinematics can control flow rate and direction without internal valves, and achieve selective response of individual channels to a single global actuation frequency.
BIOINSPIRATION & BIOMIMETICS
(2021)
Article
Physiology
Mohamed A. Bahloul, Yasser Aboelkassem, Taous-Meriem Laleg-Kirati
Summary: This study models the blood flow dynamics in human arteries with hypertension disease using fractional calculus. The proposed mathematical model offers flexibility in characterizing the arterial complex network and improves the understanding of the structural and functional changes in the arteries due to hypertension.
FRONTIERS IN PHYSIOLOGY
(2022)
Article
Engineering, Multidisciplinary
Max R. Mikel-Stites, Mary K. Salcedo, John J. Socha, Paul E. Marek, Anne E. Staples
Summary: Although most organisms use neurological structures to amplify sounds for sound localization, the parasitoid fly Ormia ochracea has mechanically coupled hearing organs that allow it to accurately locate sound sources. Previous models of Ormia ochracea's hearing mechanics have limitations at higher sound angles, but a new quasi-two-dimensional (q2D) model incorporating morphology-based features significantly improves accuracy (average errors under 10%). This improved biomechanical model could inform the design of new microscale directional microphones and small-scale acoustic sensor systems.
BIOINSPIRATION & BIOMIMETICS
(2023)
Article
Mechanics
Yasser Aboelkassem
Summary: This study developed numerical simulation and theoretical solution for the electro-osmotic pumping flow in a microchannel with squeezing and charged walls. The mathematical model was derived based on a strong coupling between the nonlinear Poisson-Boltzmann equation and the flow lubrication theory. The effects of various parameters on the fluid pressure distribution, velocity field, and net flow rate were investigated, and it was found that the induced pumping rate depends strongly on the combined effects of multiple factors.
Article
Ecology
Dharmendra Tripathi, Dinesh Bhandari, Rakesh Kumar, Yasser Aboelkassem
Summary: In this paper, a mathematical model was developed to simulate the transport of viruses in a viscous background flow driven by natural pumping. The model considered two types of respiratory pathogens viruses (SARS-CoV-2 and Influenza A). The virus spread in axial and transverse directions was examined using the Eulerian-Lagrangian approach. Effects of gravity, virtual mass, Basset force, and drag forces on virus transport velocity were studied using the Basset-Boussinesq-Oseen equation. The results highlighted the significant role of forces acting on spherical and non-spherical particles in the virus transmission process. High viscosity was found to slow down virus transport dynamics, while small-sized viruses were identified as highly dangerous and capable of rapid propagation through blood vessels. The mathematical model presented in this study contributes to a better understanding of virus spread dynamics in blood flow.
JOURNAL OF BIOLOGICAL DYNAMICS
(2023)
Editorial Material
Environmental Sciences
Anne E. Staples, Laura A. Miller, Shilpa Khatri, Md Monir Hossain
FRONTIERS IN MARINE SCIENCE
(2023)
Meeting Abstract
Biophysics
Yasser Aboelkassem
BIOPHYSICAL JOURNAL
(2023)
Review
Engineering, Biomedical
Quinn Counseller, Yasser Aboelkassem
Summary: Cardiac imaging techniques such as x-ray, CT, MRI, echocardiogram, PET/SPECT allow physicians to detect various heart abnormalities and study the heart's physiology, performance, structure, and function. Technological advancements have provided even more tools for investigating the heart. This review study focuses on MRI and CT, discussing their origin, benefits, downfalls, clinical application, and future advancements in cardiac imaging.
FRONTIERS IN MEDICAL TECHNOLOGY
(2023)
Article
Physics, Fluids & Plasmas
Mahmoud Abdelgalil, Yasser Aboelkassem, Haithem Taha
Summary: The navigation strategy of sperm cells, specifically sea urchin sperm, is a natural implementation of an adaptive control paradigm known as extremum seeking. This discovery deepens our understanding of microorganism taxis and may guide the development of bioinspired miniaturized robots with minimal sensors.
Proceedings Paper
Engineering, Biomedical
Mohamed A. Bahloul, Yasser Aboelkassem, Taous-Meriem Laleg-Kirati
Summary: Arterial compliance plays a crucial role in cardiovascular function, and fractional calculus can accurately describe the complex properties of arterial blood vessels.
2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC)
(2021)
Meeting Abstract
Zoology
M. R. Mikel-Stites, M. K. Salcedo, J. J. Socha, A. E. Staples
INTEGRATIVE AND COMPARATIVE BIOLOGY
(2021)
Meeting Abstract
Zoology
A. Khoja, M. Kwitny, A. E. Staples, R. Schurch
INTEGRATIVE AND COMPARATIVE BIOLOGY
(2020)
Article
Physics, Fluids & Plasmas
Sevak Tahmasian, Arsam Jafaryzad, Nicolas L. Bulzoni, Anne E. Staples
Article
Engineering, Mechanical
Xuyi Jia, Chunlin Gong, Wen Ji, Chunna Li
Summary: A flow sensing method for real-time forecast of flow field in FSI systems using structural deformation is proposed in this study. The method utilizes multilayer POD to improve accuracy and deep neural network to map mode coefficients. The results show that the proposed method performs accurately in flow properties forecasting and is suitable for FSI systems with complex flow structures.
JOURNAL OF FLUIDS AND STRUCTURES
(2024)
Article
Engineering, Mechanical
Paulo H. N. Silva, Gustavo R. S. Assi
Summary: This paper presents an experimental study of fluid-structure interaction, demonstrating that the controlled rotation of rods can reduce mean drag and fluctuating lift forces simultaneously. By using a multi-objective genetic algorithm, the optimum rotation speeds were found, resulting in a more significant reduction in objectives and energy consumption. The contribution of each rod depends on its angular position and the flow conditions generated by the upstream control rods. The study clarifies the physical principles of the phenomenon and paves the way for technological applications.
JOURNAL OF FLUIDS AND STRUCTURES
(2024)
Article
Engineering, Mechanical
Yacine Manal, Pascal Hemon
Summary: Synchronized unsteady wall pressure measurements were performed on a full-scale circular chimney subjected to natural wind. The analysis of the pressure distribution using bi-orthogonal decomposition was crucial for the success of the processing. The results showed that atmospheric turbulence plays a significant role in the unsteady pressure response on the chimney, generating high levels of RMS pressure.
JOURNAL OF FLUIDS AND STRUCTURES
(2024)
Article
Engineering, Mechanical
Hironori Takeda, Yusuke Asai, Shunichi Ishida, Yasutoshi Taniguchi, Takuya Terahara, Kenji Takizawa, Yohsuke Imai
Summary: Wrinkling and creasing of an elastic membrane in a shear flow can be influenced by shear rate and membrane thickness. The deformation type can be determined by mechanical and geometrical effects of the membrane thickness, based on the geometrical consistency of the capsule surface.
JOURNAL OF FLUIDS AND STRUCTURES
(2024)