AIMC Topic: Stress, Mechanical

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Rockburst grade evaluation and parameter sensitivity analysis based on SSA-PNN framework: Considering rock mass strength.

PloS one Jun 24, 2025
The occurrence of rockburst is closely related to the strength and stress conditions of rock mass. The Lalin Railway tunnel in China was taken as an example, the strength and stress parameters of rock mass at 22 rockburst locations were obtained by u...
Compressive Strength Algorithms Stress, Mechanical China Railroads Neural Networks, Computer
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Optimization of hemocompatibility metrics in ventricular assist device design using machine learning and CFD-based response surface analysis.

The International journal of artificial organs Jun 6, 2025
Ventricular assist devices (VADs) are essential for end-stage heart failure patients, but their design must balance hydraulic efficiency and hemocompatibility to minimize blood damage. This study presents a multi-objective optimization framework inte...
Hydrodynamics Models, Cardiovascular Stress, Mechanical Hemolysis Platelet Activation Bayes Theorem Prosthesis Design Materials Testing Heart-Assist Devices Heart Failure Machine Learning Computer Simulation Humans
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Construction of a deep learning-based predictive model to evaluate the influence of mechanical stretching stimuli on MMP-2 gene expression levels in fibroblasts.

Biomedical engineering online Jun 5, 2025
BACKGROUND: Matrix metalloproteinase-2 (MMP-2) secretion homeostasis, governed by the multifaceted interplay of skin stretching, is a pivotal determinant influencing wound healing dynamics. This investigation endeavors to devise an artificial intelli...
Mechanical Phenomena Animals Humans Deep Learning Matrix Metalloproteinase 2 Fibroblasts Biomechanical Phenomena Stress, Mechanical
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Prediction of stress-strain behavior of rock materials under biaxial compression using a deep learning approach.

PloS one Apr 29, 2025
Deep learning has significantly advanced in predicting stress-strain curves. However, due to the complex mechanical properties of rock materials, existing deep learning methods have the problem of insufficient accuracy in predicting the stress-strain...
Stress, Mechanical Compressive Strength Neural Networks, Computer Deep Learning
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Dynamic simulation of knee joint mechanics: individualized multi-moment finite element modelling of patellar tendon stress during landing.

Journal of biomechanics Apr 23, 2025
Patellar tendinopathy is prevalent in sports requiring high jumping demands, and understanding the in vivo biomechanical behavior of the patellar tendon (PT) during landing is crucial for developing effective injury prevention and rehabilitation stra...
Computer Simulation Adult Biomechanical Phenomena Humans Finite Element Analysis Models, Biological Patellar Ligament Male Stress, Mechanical Knee Joint
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Design and application of ISSA-BP neural network model for predicting soft tissue relaxation force.

Acta of bioengineering and biomechanics Mar 18, 2025
: Accurate biomechanical modeling is crucial for enhancing the realism of virtual surgical training. This study addressed the computational cost and complexity associated with traditional viscoelastic models by incorporating neural network algorithms...
Swine Biomechanical Phenomena Kidney Stress, Mechanical Animals Models, Biological Stomach Neural Networks, Computer Algorithms
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Constitutive neural networks for main pulmonary arteries: discovering the undiscovered.

Biomechanics and modeling in mechanobiology Feb 24, 2025
Accurate modeling of cardiovascular tissues is crucial for understanding and predicting their behavior in various physiological and pathological conditions. In this study, we specifically focus on the pulmonary artery in the context of the Ross proce...
Humans Neural Networks, Computer Stress, Mechanical Models, Cardiovascular Biomechanical Phenomena Pulmonary Artery Anisotropy
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Rapid wall shear stress prediction for aortic aneurysms using deep learning: a fast alternative to CFD.

Medical & biological engineering & computing Feb 17, 2025
Aortic aneurysms pose a significant risk of rupture. Previous research has shown that areas exposed to low wall shear stress (WSS) are more prone to rupture. Therefore, precise WSS determination on the aneurysm is crucial for rupture risk assessment....
Humans Hemodynamics Stress, Mechanical Hydrodynamics Models, Cardiovascular Deep Learning Aortic Aneurysm, Abdominal
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Simultaneous Isotropic Omnidirectional Hypersensitive Strain Sensing and Deep Learning-Assisted Direction Recognition in a Biomimetic Stretchable Device.

Advanced materials (Deerfield Beach, Fla.) Jan 31, 2025
Omnidirectional strain sensing and direction recognition ability are features of the human tactile sense, essential to address the intricate and dynamic requirements of real-world applications. Most of the current strain sensors work by converting un...
Fingers Biomimetic Materials Biomimetics Stress, Mechanical Humans Deep Learning Wearable Electronic Devices
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MechBERT: Language Models for Extracting Chemical and Property Relationships about Mechanical Stress and Strain.

Journal of chemical information and modeling Jan 31, 2025
Language models are transforming materials-aware natural-language processing by enabling the extraction of dynamic, context-rich information from unstructured text, thus, moving beyond the limitations of traditional information-extraction methods. Mo...
Natural Language Processing Stress, Mechanical
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