Erratum to: “A computational procedure to estimate the stochastic dynamic response of large non-linear FE-models” [Comput. Methods Appl. Mech. Engrg. 192 (2003) 777–801]

2003 ◽  
Vol 192 (31-32) ◽  
pp. 3565 ◽  
Author(s):  
H.J. Pradlwarter ◽  
G.I. Schuëller ◽  
C.A. Schenk
Keyword(s):  
Dynamic Response ◽  
Computational Procedure ◽  
Stochastic Dynamic ◽  
Non Linear

scholarly journals A computational framework to establish data-driven constitutive models for time- or path-dependent heterogeneous solids

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Weijian Ge ◽  
Vito L. Tagarielli
Keyword(s):  
Constitutive Models ◽  
Computational Procedure ◽  
Data Driven ◽  
Dissipated Energy ◽  
Computational Framework ◽  
Heterogeneous Solids ◽  
Non Linear ◽  
Recorded Data ◽  
Path Dependent ◽  
Computational Homogenisation

AbstractWe propose and implement a computational procedure to establish data-driven surrogate constitutive models for heterogeneous materials. We study the multiaxial response of non-linear n-phase composites via Finite Element (FE) simulations and computational homogenisation. Pseudo-random, multiaxial, non-proportional histories of macroscopic strain are imposed on volume elements of n-phase composites, subject to periodic boundary conditions, and the corresponding histories of macroscopic stresses and plastically dissipated energy are recorded. The recorded data is used to train surrogate, phenomenological constitutive models based on neural networks (NNs), and the accuracy of these models is assessed and discussed. We analyse heterogeneous composites with hyperelastic, viscoelastic or elastic–plastic local constitutive descriptions. In each of these three cases, we propose and assess optimal choices of inputs and outputs for the surrogate models and strategies for their training. We find that the proposed computational procedure can capture accurately and effectively the response of non-linear n-phase composites subject to arbitrary mechanical loading.

Non-linear seismic dynamic response of curved steel bridges equipped with LRB supports

2010 ◽  
Vol 3 (1) ◽  
pp. 34-41 ◽  
Author(s):  
Carlos Mendez Galindo ◽  
Javier Gil Belda ◽  
Toshiro Hayashikawa
Keyword(s):  
Dynamic Response ◽  
Steel Bridges ◽  
Non Linear ◽  
Curved Steel

Linear and non-linear dynamic response of sandwich panels to blast loading

2004 ◽  
Vol 35 (6-8) ◽  
pp. 673-683 ◽  
Author(s):  
Liviu Librescu ◽  
Sang-Yong Oh ◽  
Joerg Hohe
Keyword(s):  
Dynamic Response ◽  
Sandwich Panels ◽  
Blast Loading ◽  
Linear Dynamic ◽  
Non Linear
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