AIMC Topic: Elasticity

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Modelling fourth-order hyperelasticity in soft solids using physics informed neural networks without labelled data.

Brain research bulletin Mar 26, 2025
Mild traumatic brain injury can result from shear shock wave formation in the brain in the event of a head impact like in contact sports, road traffic accidents, etc. These highly nonlinear deformations are modelled by a fourth-order Landau hyperelas...
Neural Networks, Computer Brain Elasticity Finite Element Analysis Computer Simulation Humans
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Liquid-bodied antibiofilm robot with switchable viscoelastic response for biofilm eradication on complex surface topographies.

Science advances Mar 12, 2025
Recalcitrant biofilm infections pose a great challenge to human health. Micro- and nanorobots have been used to eliminate biofilm infections in hard-to-reach regions inside the body. However, applying antibiofilm robots under physiological conditions...
Swine Surface Properties Biofilms Mice Humans Hydrogels Robotics Elasticity Animals Stents Viscosity
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Exploring hyperelastic material model discovery for human brain cortex: Multivariate analysis vs. artificial neural network approaches.

Journal of the mechanical behavior of biomedical materials Feb 10, 2025
The human brain, characterized by its intricate architecture, exhibits complex mechanical properties that underpin its critical functional capabilities. Traditional computational methods, such as finite element analysis, have been instrumental in unc...
Biomechanical Phenomena Elasticity Multivariate Analysis Humans Neural Networks, Computer Cerebral Cortex Finite Element Analysis
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Monolithic electrostatic actuators with independent stiffness modulation.

Nature communications Jan 30, 2025
Robotic artificial muscles, inspired by the adaptability of biological muscles, outperform rigid robots in dynamic environments due to their flexibility. However, the intrinsic compliance of the soft actuators restricts force transmission capacity an...
Equipment Design Elasticity Muscle Contraction Static Electricity Viscosity Wearable Electronic Devices Muscle, Skeletal Robotics Humans Biomechanical Phenomena
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Machine-Learning Mental-Fatigue-Measuring μm-Thick Elastic Epidermal Electronics (MMMEEE).

Nano letters Nov 27, 2024
Electrophysiological (EP) signals are key biomarkers for monitoring mental fatigue (MF) and general health, but state-of-the-art wearable EP-based MF monitoring systems are bulky and require user-specific, labeled data. Ultrathin epidermal electrodes...
Electronics Dimethylpolysiloxanes Electrodes Nanowires Machine Learning Wearable Electronic Devices Humans Epidermis Elasticity Silver
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Neural Network-Enabled Multiparametric Impedance Signal Templating for High throughput Single-Cell Deformability Cytometry Under Viscoelastic Extensional Flows.

Small (Weinheim an der Bergstrasse, Germany) Oct 22, 2024
Cellular biophysical metrics exhibit systematic alterations during processes, such as metastasis and immune cell activation, which can be used to identify and separate live cell subpopulations for targeting drug screening. Image-based biophysical cyt...
Humans Neural Networks, Computer Single-Cell Analysis Flow Cytometry Elasticity Viscosity Electric Impedance
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Identifying Heterogeneous Micromechanical Properties of Biological Tissues via Physics-Informed Neural Networks.

Small methods Aug 1, 2024
The heterogeneous micromechanical properties of biological tissues have profound implications across diverse medical and engineering domains. However, identifying full-field heterogeneous elastic properties of soft materials using traditional enginee...
Algorithms Brain Biomechanical Phenomena Stress, Mechanical Breast Neoplasms Humans Neural Networks, Computer Machine Learning Elasticity
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A Fast Online Elastic-Spine-Based Stiffness Adjusting Mechanism for Fishlike Swimming.

Soft robotics Apr 22, 2024
Fish tunes fishtail stiffness by coordinating its tendons, muscles, and other tissues to improve swimming performance. For robotic fish, achieving a fast and online fishlike stiffness adjustment over a large-scale range is of great significance for p...
Biomechanical Phenomena Equipment Design Spine Swimming Fishes Animals Elasticity Robotics
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Physics-informed UNets for discovering hidden elasticity in heterogeneous materials.

Journal of the mechanical behavior of biomedical materials Nov 10, 2023
Soft biological tissues often have complex mechanical properties due to variation in structural components. In this paper, we develop a novel UNet-based neural network model for inversion in elasticity (El-UNet) to infer the spatial distributions of ...
Finite Element Analysis Elasticity Imaging Techniques Algorithms Elasticity Neural Networks, Computer
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Unsupervised deep learning-based displacement estimation for vascular elasticity imaging applications.

Physics in medicine and biology Jul 24, 2023
. Arterial wall stiffness can provide valuable information on the proper function of the cardiovascular system. Ultrasound elasticity imaging techniques have shown great promise as a low-cost and non-invasive tool to enable localized maps of arterial...
Elasticity Elasticity Imaging Techniques Ultrasonography Deep Learning Carotid Arteries Humans Phantoms, Imaging Pulse Wave Analysis Algorithms
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