Cyclic elastoplasticity-based life assessment of fatigue crack initiation and subsequent propagation in rib-to-deck welded joints

Y Wang, R Fincato, K Morita, Q Wang… - International Journal of …, 2023 - Elsevier
Conventional SN curve methods for fatigue life assessment fail to consider the different
cracking mechanisms of crack initiation and propagation, resulting in less accurate …

Cyclic plasticity model for fatigue with softening behaviour below macroscopic yielding

S Tsutsumi, R Fincato - Materials & Design, 2019 - Elsevier
Experimental observations have evidenced the insufficiency of yield surface definition via
monotonic loading to guarantee adequate description of material behaviour under fatigue …

Coupled elasto-viscoplastic and damage model accounting for plastic anisotropy and damage evolution dependent on loading conditions

R Fincato, S Tsutsumi - Computer Methods in Applied Mechanics and …, 2021 - Elsevier
This work presents an unconventional fully coupled elasto-viscoplastic and damage
constitutive model that is suitable for investigating the failure mechanism of metallic …

A unified critical state parameter model for sand and overconsolidated clay in the framework of subloading surface theory

K Cui, X Wang, R Yuan, K Liu - Canadian Geotechnical Journal, 2023 - cdnsciencepub.com
This paper presents a unified critical state parameter model for evaluating sand and
overconsolidated clay, which is named as CASM-S. The model is formulated in terms of the …

Numerical implementation of the multiplicative hyperelastic-based Extended Subloading Surface plasticity model

R Fincato, S Tsutsumi - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
The work presents the numerical implementation of the multiplicative hyperelastic-based
Extended Subloading Surface model. The theoretical development of the constitutive …

[HTML][HTML] Numerical modeling of the evolution of ductile damage under proportional and non-proportional loading

R Fincato, S Tsutsumi - International Journal of Solids and Structures, 2019 - Elsevier
Evaluating the correct mode of material failure is crucial in many manufacturing industries.
Not only does doing so help prevent sudden malfunctions, it can also mean better-designed …

Unified modeling for the simple shear behavior of clay and sand accounting for Principal stress rotations

R Yuan, HH Yu, XW Wang - International Journal of Geomechanics, 2024 - ascelibrary.org
Mechanical response of soils under simple shear conditions has long been a subject of
significant interest in the field of geomechanics. When subjected to simple shear loading …

Numerical modeling of cyclic softening/hardening behavior of carbon steels from low-to high-cycle fatigue regime

R Fincato, T Yonezawa, S Tsutsumi - Archives of Civil and Mechanical …, 2023 - Springer
The aim of this study is to characterize the stress–strain behavior of three construction steels
(SM490, SM570, and F18B) through both experimental and numerical investigations. The …

Ductile behaviour of carbon steel for welded structures: Experiments and numerical simulations

S Tsutsumi, T Kitamura, R Fincato - Journal of constructional steel research, 2020 - Elsevier
This paper presents an elastoplastic/damage model that couples the constitutive equations
of the extended subloading surface plasticity theory with a scalar isotropic ductile damage …

[HTML][HTML] An overstress elasto-viscoplasticity model for high/low cyclic strain rates loading conditions: Part I–Formulation and computational aspects

R Fincato, S Tsutsumi - International Journal of Solids and Structures, 2020 - Elsevier
Plastic deformations of metallic materials depend on the rate of loading or deformation,
implying rate-independent constitutive theories cannot catch a realistic response of the …