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Nonlinear Finite Elements For Continua And Structures
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Citations
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Journal ArticleDOI
A framework for data-driven analysis of materials under uncertainty: Countering the curse of dimensionality
Miguel A. Bessa,Miguel A. Bessa,Ramin Bostanabad,Zeliang Liu,A. Hu,Daniel W. Apley,Catherine Brinson,Wei Chen,Wing Kam Liu +8 more
TL;DR: A new data-driven computational framework is developed to assist in the design and modeling of new material systems and structures and includes the recently developed “self-consistent clustering analysis” method in order to build large databases suitable for machine learning.
Journal ArticleDOI
The Finite Cell Method: A Review in the Context of Higher-Order Structural Analysis of CAD and Image-Based Geometric Models
Dominik Schillinger,Martin Ruess +1 more
TL;DR: This review article provides a concise introduction to the basics of the finite cell method, and summarizes recent developments of the technology, with particular emphasis on the research topics in which the author has been actively involved.
Journal ArticleDOI
Topology optimization of multi-material negative Poissons ratio metamaterials using a reconciled level set method
TL;DR: The proposed method simplifies the multi-material topology optimization by evolving each individual material with a single level set function and reconciling the result level set field with the MerrimanBenceOsher (MBO) operator.
Journal ArticleDOI
How to characterize a nonlinear elastic material? A review on nonlinear constitutive parameters in isotropic finite elasticity.
L. Angela Mihai,Alain Goriely +1 more
TL;DR: Several nonlinear constitutive parameters, including the stretch modulus, the shear modulus and the Poisson function, that are defined for homogeneous isotropic hyperelastic materials and are measurable under axial or shear experimental tests are reviewed.
Journal ArticleDOI
Reduced Bézier element quadrature rules for quadratic and cubic splines in isogeometric analysis
TL;DR: In this article, the authors explore the use of various element-based reduced quadrature strategies for bivariate and trivariate quadratic and cubic spline elements used in isogeometric analysis.
References
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Dissertation
Undrained Triaxial Experimental Investigations and Hyperviscoplastic Modelling of Peat Materials
TL;DR: In this article, a finite strain constitutive model within a thermodynamically consistent framework based on the experimental results of the tested peat was derived from the entropy inequality and validated against five strain rate tests under various load cases as well as an undrained triaxial creep test.
Dissertation
Towards the fracture prediction of turbomachinery disks : a contribution of the digital image correlation
TL;DR: This thesis addresses the amelioration of the burst prediction of turbo-engines rotating parts by identifying the material behaviour up fracture under multi-axial loading and the identification of the local condition at failure and using an integrated digital image correlation approach to accomplish this.
Dissertation
Méthode de résolution du M4-5n par éléments finis mixtes pour l’analyse des chaussées avec discontinuités
TL;DR: In this paper, the authors propose a methode de resolution generale du M4-5n par Elements Finis mixtes, a 3D model of a chaussee fissuree.
Journal ArticleDOI
Including die and press deformations in sheet metal forming simulations
TL;DR: In this paper, structural analysis of a stamping die and subsequent morphing of the tool surfaces in AutoForm were performed to improve a sheet metal forming simulation, which showed a substantial increase in accuracy and ability to analyse dies in running production when the morphed surfaces were used.
Journal ArticleDOI
A Finite Element Model for Static Performance Analysis of Gas Foil Bearings Based on Frictional Contacts
Xuewei Zhao,Shuhong Xiao +1 more
TL;DR: In this paper, a nonlinear finite element method was used to analyze the frictional contacts in gas foil bearing performance, which is the main factor that affects bearing performance and is highly nonlinear.