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Sérgio Proença

affiliation not provided to SSRN

  • affiliation not provided to SSRN

SCHOLARLY PAPERS

6

DOWNLOADS

323

TOTAL CITATIONS

4

Scholarly Papers (6)

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1.

Phase-Field Fracture Analysis: A Gradient-Based Line Search Strategy for the L-Bfgs Algorithm

Number of pages: 31 Posted: 16 Feb 2025
Caio Ramos, C. Armando Duarte, Nathan Shauer and Sérgio Proença
affiliation not provided to SSRN, University of Illinois at Urbana-Champaign, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 128 (569,079)

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Phase-field, Fracture, Line search, L-BFGS, Staggered, Quasi-Newton

2.

Three-Point Bending of 3d-Printed Polymer Architected Materials with Size Effects: Manufacturing, Testing and Numerical Modelling

Number of pages: 39 Posted: 18 Feb 2025
Wanderson dos Santos, Alina S. L. Rodrigues, Igor Rodrigues Lopes, Francisco Pires, Sérgio Proença and Zilda C. Silveira
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Universidade do Porto, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 65 (942,565)
Citation 1

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Lattice structures, Size effects, FDM-based manufacturing, Three-point bending, DNS finite element models, multi-scale modelling

3.

Analysis of a Novel 3d-Printed Mechanical Metamaterial with Tension-Induced Undulation: Experimental and Numerical Investigations

Number of pages: 31 Posted: 11 Jan 2025
Wanderson dos Santos, Alina S. L. Rodrigues, Igor Rodrigues Lopes, Francisco Pires, Sérgio Proença and Zilda C. Silveira
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Universidade do Porto, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 61 (961,006)

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Architected metamaterials, Deformation mode coupling, Additive manufacturing, Experimental validation, DNS models, FE2 multi-scale modelling

4.

Exploring Novel Mechanical Metamaterials: Unraveling Deformation Mode Coupling and Size Effects Through Second-Order Computational Homogenisation

Number of pages: 67 Posted: 02 Dec 2023
Wanderson dos Santos, Igor Rodrigues Lopes, Sérgio Proença and Francisco Pires
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and Universidade do Porto
Downloads 35 (1,263,436)
Citation 3

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Multi-scale Modelling, Finite Strains, Architected Materials, Coupling Deformation Mechanisms, Size Effects

5.

HOW TO USE LUMPED DAMAGE MECHANICS: TWO-DIMENSIONAL SOLIDS

Number of pages: 34 Posted: 28 Oct 2025
Paulo V.C. Guimarães, Chang-Qi Pan, Ricardo A. Picón, David L.N.F. Amorim, Yan-Gao Hu, Sérgio Proença and Julio Flórez-López
affiliation not provided to SSRN, Chongqing University, Universidad Católica de Temuco, affiliation not provided to SSRN, Chongqing University, affiliation not provided to SSRN and Chongqing University
Downloads 29 (1,345,526)

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Lumped Damage Mechanics (LDM), Continuum Damage Mechanics (CDM), Fracture Mechanics, Variational formulation, Finite element method, Quasi-brittle materials, Crack propagation.

6.

A well-conditioned and optimally convergent high-order Generalized/eXtended Finite Element Method for Poisson problems with material interfaces

Number of pages: 35 Posted: 06 May 2026
Murilo Henrique Campana Bento, Andre De Figueiredo stabile, Patrick J. O’Hara, C. Armando Duarte and Sérgio Proença
State University of Maringá, Institut Polytechnique de Paris - ENSTA Paris, Wright Patterson Air Force Base - Air Force Research Laboratory, University of Illinois at Urbana-Champaign and affiliation not provided to SSRN
Downloads 5 (1,571,455)

Abstract:

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Poisson problem, Weak discontinuities, High-order formulations, GFEM, XFEM