AIMC Topic: Elasticity

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A data-driven approach to characterizing nonlinear elastic behavior of soft materials.

Journal of the mechanical behavior of biomedical materials Mar 25, 2022
The Autoprogressive (AutoP) method is a data-driven inverse method that leverages finite element analysis (FEA) and machine learning (ML) techniques to build constitutive relationships from measured force and displacement data. Previous applications ...
Neural Networks, Computer Models, Biological Agar Phantoms, Imaging Finite Element Analysis Nonlinear Dynamics Stress, Mechanical Elasticity
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Neural Network Modeling and Dynamic Analysis of Different Types of Engine Mounts for Internal Combustion Engines.

Sensors (Basel, Switzerland) Feb 25, 2022
This paper presents the results of studies on reducing the amount of vibrations in different frequency ranges generated by a combustion engine through the use of different types of engine mounts. Three different types of engine supports are experimen...
Vibration Models, Theoretical Nonlinear Dynamics Elasticity Neural Networks, Computer
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Enabling quantitative robot-assisted compressional elastography via the extended Kalman filter.

Physics in medicine and biology Nov 18, 2021
Compressional or quasi-static elastography has demonstrated the capability to detect occult cancers in a variety of tissue types, however it has a serious limitation in that the resulting elastograms are generally qualitative whereas other forms of e...
Ultrasonography Phantoms, Imaging Robotics Elasticity Imaging Techniques Elasticity
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A deep learning approach to identify and segment alpha-smooth muscle actin stress fiber positive cells.

Scientific reports Nov 8, 2021
Cardiac fibrosis is a pathological process characterized by excessive tissue deposition, matrix remodeling, and tissue stiffening, which eventually leads to organ failure. On a cellular level, the development of fibrosis is associated with the activa...
Artificial Intelligence Cells, Cultured Deep Learning Humans Myocardium Hydrogels Actins Image Processing, Computer-Assisted Fibroblasts Myofibroblasts Cardiomyopathies Models, Cardiovascular Stress Fibers Surface Properties Elasticity Cell Culture Techniques
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Ferromagnetic soft catheter robots for minimally invasive bioprinting.

Nature communications Aug 20, 2021
In vivo bioprinting has recently emerged as a direct fabrication technique to create artificial tissues and medical devices on target sites within the body, enabling advanced clinical strategies. However, existing in vivo bioprinting methods are ofte...
Catheters Electric Conductivity Robotics Hydrogels Bioprinting Elasticity Viscosity Magnets Rats, Sprague-Dawley Liver Humans Cell Line Tomography, X-Ray Computed Animals Swine Rats
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A Soft Resistive Sensor with a Semicircular Cross-Sectional Channel for Soft Cardiac Catheter Ablation.

Sensors (Basel, Switzerland) Jun 16, 2021
The field of soft robotics has attracted the interest of the medical community due to the ability of soft elastic materials to traverse the abnormal environment of the human body. However, sensing in soft robotics has been challenging due to the sens...
Elastomers Elasticity Cardiac Catheters Humans Pressure Robotics
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Elastohydrodynamic friction of robotic and human fingers on soft micropatterned substrates.

Nature materials Apr 29, 2021
Frictional sliding between patterned surfaces is of fundamental and practical importance in the haptic engineering of soft materials. In emerging applications such as remote surgery and soft robotics, thin fluid films between solid surfaces lead to a...
Humans Lubrication Robotics Elasticity Friction
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Inverse identification of hyperelastic constitutive parameters of skeletal muscles via optimization of AI techniques.

Computer methods in biomechanics and biomedical engineering Mar 31, 2021
Studies on the deformation characteristics and stress distribution in loaded skeletal muscles are of increasing importance. Reliable prediction of hyperelastic material parameters requires an inverse process, which possesses challenges. This work pro...
Bayes Theorem Models, Biological Stress, Mechanical Elasticity Finite Element Analysis Artificial Intelligence Muscle, Skeletal
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High-Performance Photochromic Hydrogels for Rewritable Information Record.

Macromolecular rapid communications Jan 25, 2021
Rewritable information record materials usually demand not only reversibly stimuli-responsive ability, but also strong mechanical properties. To achieve one photochromic hydrogel with super-strong mechanical strength, hydrophobic molecule spiropyran ...
Elasticity Artificial Intelligence Polymers Hydrogels Hydrophobic and Hydrophilic Interactions
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Deep Learning Image Analysis of Benign Breast Disease to Identify Subsequent Risk of Breast Cancer.

JNCI cancer spectrum Jan 11, 2021
BACKGROUND: New biomarkers of risk may improve breast cancer (BC) risk prediction. We developed a computational pathology method to segment benign breast disease (BBD) whole slide images into epithelium, fibrous stroma, and fat. We applied our method...
Predictive Value of Tests Aged Female Breast Parity Breast Diseases Humans Adult Deep Learning Elasticity Risk Factors Menarche Breast Neoplasms Cohort Studies Neural Networks, Computer Middle Aged Analysis of Variance Body Mass Index Risk Assessment Menopause Case-Control Studies Body Size
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