Search Results - "Carvalho Alves, A. Francisca"
-
1
On the modeling of cavitation and yielding in rubber-toughened amorphous polymers: Fully implicit implementation and optimization-based calibration
Published in International journal of solids and structures (01-11-2023)“…In the present contribution, a finite strain visco-elastic visco-plastic (three-dimensional) constitutive model is proposed to predict the nonlinear response…”
Get full text
Journal Article -
2
A constitutive model for amorphous thermoplastics from low to high strain rates: Formulation and computational aspects
Published in International journal of plasticity (01-10-2023)“…In this paper, a recently proposed finite strain visco-elastic visco-plastic (three-dimensional) constitutive model is extended to predict the nonlinear…”
Get full text
Journal Article -
3
Efficient constitutive parameter identification through optimisation-based techniques: A Comparative analysis and novel composite Bayesian optimisation strategy
Published in Computer methods in applied mechanics and engineering (01-07-2024)“…In this work, optimisation-based techniques for solving inverse problems are examined and explored, specifically addressing the challenges posed by…”
Get full text
Journal Article -
4
Multi-scale modelling and analysis of the behaviour of PC/ABS blends with emphasis on interfacial/bulk damage
Published in Finite elements in analysis and design (01-02-2024)Get full text
Journal Article -
5
A simple machine learning-based framework for faster multi-scale simulations of path-independent materials at large strains
Published in Finite elements in analysis and design (15-09-2023)“…Coupled multi-scale finite element analyses have gained traction over the last years due to the increasing available computational resources. Nevertheless, in…”
Get full text
Journal Article -
6
A composite Bayesian optimisation framework for material and structural design
Published in Computer methods in applied mechanics and engineering (01-02-2025)“…In this contribution, a new design framework leveraging Bayesian optimisation is developed to enhance the efficiency and quality of material and structural…”
Get full text
Journal Article -
7
An efficient finite strain constitutive model for amorphous thermoplastics: Fully implicit computational implementation and optimization-based parameter calibration
Published in Computers & structures (01-06-2023)“…•A novel visco-elastic visco-plastic constitutive model is consistently formulated.•Well-established rheological elements are judiciously combined.•An implicit…”
Get full text
Journal Article -
8
Constitutive modeling of amorphous thermoplastics from low to high strain rates: Formulation and critical comparison employing an optimization-based parameter identification
Published in International journal of solids and structures (15-06-2023)“…A finite strain elasto-visco-plastic model is proposed to describe the low to high strain rate-dependent behavior of amorphous polymers. The predictive…”
Get full text
Journal Article -
9
piglot: an Open-source Package for Derivative-free Optimisation of Numerical Responses
Published in Journal of open source software (23-07-2024)Get full text
Journal Article