AIMC Topic: Stress, Mechanical

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Mechanochemical Degradation of Biopolymers.

Molecules (Basel, Switzerland) Dec 10, 2023
Mechanochemical treatment of various organic molecules is an emerging technology of green processes in biofuel, fine chemicals, or food production. Many biopolymers are involved in isolating, derivating, or modifying molecules of natural origin. Mech...
Chemical Phenomena Stress, Mechanical Biopolymers Artificial Intelligence
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A machine learning approach to predict cellular mechanical stresses in response to chemical perturbation.

Biophysical journal Jul 25, 2023
Mechanical stresses generated at the cell-cell level and cell-substrate level have been suggested to be important in a host of physiological and pathological processes. However, the influence various chemical compounds have on the mechanical stresses...
Mechanotransduction, Cellular Time-Lapse Imaging Stress, Mechanical Collagen Type I Chalcone Human Umbilical Vein Endothelial Cells Cells, Cultured Linear Models Humans Support Vector Machine Machine Learning
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Tendon Stress Estimation from Strain Data of a Bridge Girder Using Machine Learning-Based Surrogate Model.

Sensors (Basel, Switzerland) May 24, 2023
Prestressed girders reduce cracking and allow for long spans, but their construction requires complex equipment and strict quality control. Their accurate design depends on a precise knowledge of tensioning force and stresses, as well as monitoring t...
Machine Learning Stress, Mechanical Tendons Finite Element Analysis
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A strategy to formulate data-driven constitutive models from random multiaxial experiments.

Scientific reports Dec 23, 2022
We present a test technique and an accompanying computational framework to obtain data-driven, surrogate constitutive models that capture the response of isotropic, elastic-plastic materials loaded in-plane stress by combined normal and shear stresse...
Plastics Stress, Mechanical Neural Networks, Computer Anisotropy Tensile Strength Finite Element Analysis
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Elasticity imaging using physics-informed neural networks: Spatial discovery of elastic modulus and Poisson's ratio.

Acta biomaterialia Nov 17, 2022
Elasticity imaging is a technique that discovers the spatial distribution of mechanical properties of tissue using deformation and force measurements under various loading conditions. Given the complexity of this discovery, most existing methods appr...
Elastic Modulus Stress, Mechanical Elasticity Finite Element Analysis Physics Neural Networks, Computer Diagnostic Imaging Humans
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Predicting and understanding arterial elasticity from key microstructural features by bidirectional deep learning.

Acta biomaterialia May 25, 2022
Microstructural features and mechanical properties are closely related in all soft biological tissues. Both yet exhibit considerable inter-individual differences and are affected by factors such as aging and disease and its progression. Histological ...
Arteries Mice Collagen Stress, Mechanical Elasticity Extracellular Matrix Animals Biomechanical Phenomena Deep Learning
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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 ...
Phantoms, Imaging Finite Element Analysis Neural Networks, Computer Models, Biological Elasticity Nonlinear Dynamics Agar Stress, Mechanical
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Prediction Model of Stress Intensity Factor of Circumferential Through Crack in Elbow Based on Neural Network.

Computational intelligence and neuroscience Mar 18, 2022
Using ANSYS software to establish the finite element model of crack bending tube, the SIF at the tip of the crack is calculated for the difference in the diameter of the pipe, the outer diameter of the elbow, and the bending angle of the bend pipe, a...
Elbow Stress, Mechanical Software Computer Simulation Neural Networks, Computer
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Recurrent neural network to predict hyperelastic constitutive behaviors of the skeletal muscle.

Medical & biological engineering & computing Mar 4, 2022
Hyperelastic constitutive laws have been commonly used to model the passive behavior of the human skeletal muscle. Despite many efforts, the use of accurate finite element formulations of hyperelastic constitutive laws is still time-consuming for a r...
Databases, Factual Humans Finite Element Analysis Muscle, Skeletal Neural Networks, Computer Computer Simulation Stress, Mechanical
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Development of novel robotic platforms for mechanical stress induction, and their effects on plant morphology, elements, and metabolism.

Scientific reports Dec 13, 2021
This research evaluates the effect on herbal crops of mechanical stress induced by two specially developed robotic platforms. The changes in plant morphology, metabolite profiles, and element content are evaluated in a series of three empirical exper...
Ocimum basilicum Stress, Mechanical Robotics Plant Physiological Phenomena Stress, Physiological
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