[HTML][HTML] Parameter identification for a damage phase field model using a physics-informed neural network

CJG Rojas, JL Boldrini, ML Bittencourt - Theoretical and Applied …, 2023 - Elsevier
This work applies concepts of artificial neural networks to identify the parameters of a
mathematical model based on phase fields for damage and fracture. Damage mechanics is …

[HTML][HTML] On an inverse problem for inhomogeneous thermoelastic rod

R Nedin, S Nesterov, A Vatulyan - International Journal of Solids and …, 2014 - Elsevier
In recent years, different fields of engineering have been increasingly incorporating
functionally graded materials with variable physical properties that significantly improve a …

A new convex inversion framework for parameter identification in saddle point problems with an application to the elasticity imaging inverse problem of predicting …

B Jadamba, AA Khan, G Rus, M Sama… - SIAM Journal on Applied …, 2014 - SIAM
This work presents a thorough theoretical and numerical analysis of the elasticity imaging
inverse problem of tumor identification in the soft tissue of the human body. Beyond the …

[HTML][HTML] An equation error approach for the elasticity imaging inverse problem for predicting tumor location

E Crossen, MS Gockenbach, B Jadamba… - … & Mathematics with …, 2014 - Elsevier
The primary objective of this work is to study the elasticity imaging inverse problem of
identifying cancerous tumors in the human body. This nonlinear inverse problem not only …

[PDF][PDF] The diffusion identification in a SIS reaction-diffusion system

A Coronel, F Huancas, I Hess, A Tello - Mathematical Biosciences …, 2024 - aimspress.com
This article is concerned with the determination of the diffusion matrix in the reactiondiffusion
mathematical model arising from the spread of an epidemic. The mathematical model that …

Diffusion equations with Markovian switching: Well-posedness, numerical generation and parameter inference

J Li, Z Zhang, M Dai, J Ming, X Wang - Chaos, Solitons & Fractals, 2023 - Elsevier
Complex systems in real world often experience abrupt changes or jumps that cannot be
accurately captured by traditional partial differential equation modeling methods. However …

Variational-hemivariational inverse problems for unilateral frictional contact

B Zeng, S Migórski - Applicable Analysis, 2020 - Taylor & Francis
The paper investigates inverse problems for a class of nonlinear elliptic variational-
hemivariational inequalities. We prove results on the well posedness of a variational …

Parameter identification for a damage model using a physics informed neural network

CJG Rojas, ML Bitterncourt, JL Boldrini - arXiv preprint arXiv:2107.08781, 2021 - arxiv.org
This work applies concepts of artificial neural networks to identify the parameters of a
mathematical model based on phase fields for damage and fracture. Damage mechanics is …

A new energy inversion for parameter identification in saddle point problems with an application to the elasticity imaging inverse problem of predicting tumor location

MM Doyley, B Jadamba, AA Khan… - Numerical Functional …, 2014 - Taylor & Francis
The primary objective of this work is a detailed theoretical and computational study of the
elasticity imaging inverse problem for tumor identification within the human body. Apart from …

Elasticity tensor identification in elastic body with thin inclusions: Non-coercive case

A Khludnev, A Rodionov - Journal of Optimization Theory and Applications, 2023 - Springer
In the paper, we analyze problems of elasticity tensor identification for an elastic body with
incorporated thin elastic and rigid inclusions in a non-coercive case. The inclusions are …