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Physics‐Informed Deep‐Learning For Elasticity: Forward, Inverse, and Mixed Problems [PDF]

open access: goldAdvanced Science, 2023
Elastography is a medical imaging technique used to measure the elasticity of tissues by comparing ultrasound signals before and after a light compression. The lateral resolution of ultrasound is much inferior to the axial resolution.
Chun‐Teh Chen, Grace X. Gu
doaj   +3 more sources

PRACTICALITY OF STEM INTEGRATED ELECTRONIC PHYSICS TEACHING MATERIALS ON ELASTICITY MATERIALS TO IMPROVE 21st CENTURY SKILLS OF STUDENTS

open access: diamondPillar of Physics Education: Jurnal Berkala Ilmiah Pendidikan Fisika, 2022
The breakneck internet access speed evidences the progress of society in the 21st century. Internet access speed is a form of community progress 5.0 in obtaining quality information.
Vivi Mardian   +4 more
doaj   +4 more sources

Cauchy relations in linear elasticity: Algebraic and physics aspects

open access: greenJournal of Elasticity, 2023
The Cauchy relations distinguish between rari- and multi-constant linear elasticity theories. These relations are treated in this paper in a form that is invariant under two groups of transformations: indices permutation and general linear transformations of the basis. The irreducible decomposition induced by the permutation group is outlined.
Yakov Itin
semanticscholar   +5 more sources

Finite electro-elasticity with physics-augmented neural networks [PDF]

open access: greenComputer Methods in Applied Mechanics and Engineering, 2022
In the present work, a machine learning based constitutive model for electro-mechanically coupled material behavior at finite deformations is proposed. Using different sets of invariants as inputs, an internal energy density is formulated as a convex neural network.
Dominik K. Klein   +3 more
semanticscholar   +6 more sources

Analysis of students' difficulties on the material elasticity and harmonic oscillation in the inquiry-based physics learning in senior high school

open access: diamondInternational Journal of Science and Applied Science: Conference Series, 2017
The purpose of this research is to analyze of students' difficulties on the material elasticity and harmonic oscillation in the inquiry-based physics learning. It has eight stages.
Halimatus Sa’diyah   +2 more
doaj   +4 more sources

Physics-informed UNets for Discovering Hidden Elasticity in Heterogeneous Materials [PDF]

open access: greenJournal of The Mechanical Behavior of Biomedical Materials, 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 ...
Ali Kamali, Kaveh Laksari
semanticscholar   +5 more sources

Physics-informed PointNet: On how many irregular geometries can it solve an inverse problem simultaneously? Application to linear elasticity [PDF]

open access: greenJournal of Machine Learning for Modeling and Computing, 2023
Regular physics-informed neural networks (PINNs) predict the solution of partial differential equations using sparse labeled data but only over a single domain.
Ali Kashefi   +2 more
semanticscholar   +5 more sources

Matrix Elasticity and Nuclear Physics [PDF]

open access: bronzeBiophysical Journal, 2010
Physical cues such as matrix elasticity can affect cell morphology, mechanics, and even differentiation. Human mesenchymal stem cells (MSCs) have previously been shown to change shape and specify lineage toward neurons, muscle, and bone based on tissue-like elasticity (E ∼ 1 - 34 kPa) which has been mimicked with polyacrylamide gels coated with ...
Florian Rehfeldt   +4 more
openalex   +3 more sources

A Physics Informed Neural Network Approach to Solution and Identification of Biharmonic Equations of Elasticity [PDF]

open access: greenJournal of engineering mechanics, 2021
We explore an application of the Physics Informed Neural Networks (PINNs) in conjunction with Airy stress functions and Fourier series to find optimal solutions to a few reference biharmonic problems of elasticity and elastic plate theory.
M. Vahab   +3 more
semanticscholar   +5 more sources

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