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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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Journal ArticleDOI
Variation of Reference Strategy - A Novel Approach for Generating Optimized Cutting Patterns of Membrane Structures
Kai-Uwe Bletzinger,A. Widhammer +1 more
TL;DR: In this paper, a novel approach for generating optimized cutting patterns including nonlinear isotropic and anisotropic material behavior is presented, which can be seen as an inverse approach, defining the nodal positions in the material configuration as design variables holding the spatial configuration fixed.
Journal ArticleDOI
Dynamic model for an ensemble of interacting irradiation-induced defects in a macroscopic sample
Federico Baraglia,Pui-Wai Ma +1 more
TL;DR: In this article, the authors developed a dynamic model for the evolution of an ensemble of hundreds of interacting irradiation-induced mobile nanoscale defects in a micrometre size sample using a Langevin defect dynamics approach coupled to a finite element model, treated using the superposition method.
Book ChapterDOI
The Reliability of Autonomous Vehicles Under Collisions
TL;DR: This chapter characterizes some perspectives of the autonomous vehicles in a short glance of an enormous science of the collisions with the help of experimental and numerical approaches.
Journal ArticleDOI
Experimental study on the formability of AA6016 sheets pre-strained by rolling
Dmitry Vysochinskiy,Térence Coudert,Odd Sture Hopperstad,Odd-Geir Lademo,Odd-Geir Lademo,Aase Gavina Roberg Reyes +5 more
TL;DR: In this paper, the effects of prestrain by rolling on the formability of AA6016 sheets in the biaxial stretching region are studied in order to assess the path-independence of forming limit stresses.
Journal ArticleDOI
An Alternative Material Model Using a Generalized J2 Finite-Strain Flow Plasticity Theory with Isotropic Hardening
L. Écsi,P. Élesztős +1 more
TL;DR: In this paper, an alternative material model using a generalized J2 finite-strain flow plasticity theory with isotropic hardening is presented, based on a new nonlinear continuum mechanical theory of finite deformations of elasto-plastic media which allows for the development of objective and thermodynamically consistent material models.