AIMC Topic: Finite Element Analysis

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Physics-guided machine learning for 3-D quantitative quasi-static elasticity imaging.

Physics in medicine and biology Mar 20, 2020
We present a 3D extension of the Autoprogressive Method (AutoP) for quantitative quasi-static ultrasonic elastography (QUSE) based on sparse sampling of force-displacement measurements. Compared to current model-based inverse methods, our approach re...
Humans Phantoms, Imaging Finite Element Analysis Elastic Modulus Elasticity Imaging Techniques Neural Networks, Computer Machine Learning Imaging, Three-Dimensional
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A proposed soft pneumatic actuator control based on angle estimation from data-driven model.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of engineering in medicine Mar 17, 2020
This article proposes a bending angle controller for soft pneumatic actuators, which could be implemented in soft robotic rehabilitation gloves to assist patients with hand impairment, such as stroke survivors. A data-driven model is used to estimate...
Electric Conductivity Robotics Equipment Design Finite Element Analysis Models, Theoretical
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Laser-Induced Graphene for Electrothermally Controlled, Mechanically Guided, 3D Assembly and Human-Soft Actuators Interaction.

Advanced materials (Deerfield Beach, Fla.) Mar 16, 2020
Mechanically guided, 3D assembly has attracted broad interests, owing to its compatibility with planar fabrication techniques and applicability to a diversity of geometries and length scales. Its further development requires the capability of on-dema...
Muscles Lasers, Gas Graphite Fingers Finite Element Analysis Humans Temperature Electromyography Biomimetics Wearable Electronic Devices Robotics
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A Comparative Classification Analysis of Abdominal Aortic Aneurysms by Machine Learning Algorithms.

Annals of biomedical engineering Jan 24, 2020
The objective of this work was to perform image-based classification of abdominal aortic aneurysms (AAA) based on their demographic, geometric, and biomechanical attributes. We retrospectively reviewed existing demographics and abdominal computed tom...
Humans Machine Learning Male Middle Aged Aortic Aneurysm, Abdominal Computed Tomography Angiography Female Aged Aged, 80 and over Finite Element Analysis Aneurysm, Ruptured
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A novel machine learning based computational framework for homogenization of heterogeneous soft materials: application to liver tissue.

Biomechanics and modeling in mechanobiology Dec 10, 2019
Real-time simulation of organs increases comfort and safety for patients during the surgery. Proper generalized decomposition (PGD) is an efficient numerical method with coordinate errors below 1 mm and response time below 0.1 s that can be used for ...
Humans Materials Testing Imaging, Three-Dimensional Computer Simulation Neural Networks, Computer Nonlinear Dynamics Models, Cardiovascular Animals Elasticity Liver Machine Learning Stress, Mechanical Anisotropy Swine Finite Element Analysis Models, Biological Algorithms
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A Deep Learning Framework for Design and Analysis of Surgical Bioprosthetic Heart Valves.

Scientific reports Dec 6, 2019
Bioprosthetic heart valves (BHVs) are commonly used as heart valve replacements but they are prone to fatigue failure; estimating their remaining life directly from medical images is difficult. Analyzing the valve performance can provide better guida...
Heart Valves Models, Cardiovascular Prosthesis Failure Bioprosthesis Image Processing, Computer-Assisted Prosthesis Design Feasibility Studies Heart Valve Prosthesis Implantation Heart Valve Prosthesis Finite Element Analysis Biomechanical Phenomena Computer-Aided Design Deep Learning Humans Decision Support Techniques Tomography, X-Ray Computed
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A feasibility study of deep learning for predicting hemodynamics of human thoracic aorta.

Journal of biomechanics Nov 26, 2019
Numerical analysis methods including finite element analysis (FEA), computational fluid dynamics (CFD), and fluid-structure interaction (FSI) analysis have been used to study the biomechanics of human tissues and organs, as well as tissue-medical dev...
Finite Element Analysis Humans Models, Cardiovascular Feasibility Studies Computer Simulation Aorta, Thoracic Hemodynamics Blood Flow Velocity Deep Learning
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Interfacing Soft and Hard: A Spring Reinforced Actuator.

Soft robotics Oct 15, 2019
Muscular hydrostats have long been a source of inspiration for soft robotic designs. With their inherent compliance, they excel in unpredictable environments and can gently manipulate objects with ease. However, their performance lacks where high for...
Humans Animals Finite Element Analysis Muscles Models, Anatomic Robotics Equipment Design Mechanical Phenomena
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Simulation of hyperelastic materials in real-time using deep learning.

Medical image analysis Oct 2, 2019
The finite element method (FEM) is among the most commonly used numerical methods for solving engineering problems. Due to its computational cost, various ideas have been introduced to reduce computation times, such as domain decomposition, parallel ...
Elastic Modulus Liver Humans Datasets as Topic Tomography, X-Ray Computed Finite Element Analysis Computer Simulation Biomechanical Phenomena Deep Learning
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Neural network methodology for real-time modelling of bio-heat transfer during thermo-therapeutic applications.

Artificial intelligence in medicine Sep 30, 2019
Real-time simulation of bio-heat transfer can improve surgical feedback in thermo-therapeutic treatment, leading to technical innovations to surgical process and improvements to patient outcomes; however, it is challenging to achieve real-time comput...
Finite Element Analysis Models, Biological Hot Temperature Humans Hyperthermia, Induced Neural Networks, Computer Algorithms
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