Effect of boundary condition and statistical volume element size on inhomogeneity and anisotropy of apparent properties

R Abedi, J Garrard, M Yang, K Acton, S Soghrati - Mechanics of Materials, 2022 - Elsevier
Abstract We use square Statistical Volume Elements (SVEs) to homogenize elastic and
fracture properties of a carbon-nanofiber reinforced polymer. The effect of SVE size and …

[HTML][HTML] Correlation structures of statistically isotropic stiffness and compliance TRFs through upscaling

YS Jetti, M Ostoja-Starzewski - Computer Methods in Applied Mechanics …, 2024 - Elsevier
This paper reports a procedure to develop random fields of material properties on a
mesoscale level, coarser than the microscale level of heterogeneous material …

Elastic and strength properties of statistical volume elements: Determination of isotropic and homogeneous size limits

R Abedi, J Garrard, K Acton - Computers & Structures, 2023 - Elsevier
In this paper, a method is presented to describe the statistical behavior of mesoscale
material property fields, which are useful in macroscopic fracture simulation. The use of …

Geometric partitioning schemes to reduce modeling bias in statistical volume elements smaller than the scale of isotropic and homogeneous size limits

K Acton, J Garrard, R Abedi - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
In predicting failure of a material, small scale material properties are critical, and yet small
scale random heterogeneities are difficult to characterize accurately and efficiently. In …

[HTML][HTML] Size Dependency of Elastic and Plastic Properties of Metallic Polycrystals Using Statistical Volume Elements

AD Anto, R Fleishel, S TerMaath, R Abedi - Applied Sciences, 2024 - mdpi.com
We present an efficient approach to evaluate the size dependency of elastic and plastic
properties of metallic polycrystalline materials. Specifically, we consider different volume …

Statistical Homogenization of Elastic and Fracture Properties of a Sample Selective Laser Melting Material

RP Connor, B Vemparala, R Abedi, G Huynh… - Applied Sciences, 2023 - mdpi.com
Selective laser melting (SLM) is an additive manufacturing technique commonly used in the
rapid prototyping of components. The complexity of the SLM microstructure poses a unique …

Computation of statistical volume element properties based on a reduced stiffness matrix approach

H Bae, K Acton - Finite Elements in Analysis and Design, 2024 - Elsevier
A statistical approach to modeling heterogeneous material behavior is necessary to capture
local behavior, which profoundly affects such macroscale behaviors as brittle fracture and …

A deep learning model to predict the failure response of steel pipes under pitting corrosion

M Ji, M Yang, S Soghrati - Computational Mechanics, 2023 - Springer
Pitting corrosion is one of the major causes of failure in high-pressure oil and gas pipelines.
Various inspection techniques can be used to characterize the morphology of corrosion pits …

On the performance of domain decomposition methods for modeling heterogenous materials

M Yang, S Soghrati - Computational Mechanics, 2022 - Springer
In this manuscript, we review the performance of domain decomposition methods (DDMs),
implemented as a black-box module integrated with a finite element solver, for modeling …

Correlation Structures of Statistically Isotropic Stiffness Trfsthrough Upscalingcorrelation Structures of Statistically Isotropic Stiffness Trfscorrelation Structures of …

YS Jetti, M Ostoja-Starzewski - Available at SSRN 4879871 - papers.ssrn.com
This paper reports a procedure to develop random fields of material properties on a
mesoscale level, coarser than the microscale level of heterogeneous material …