Results 11 to 20 of about 81,786 (299)

Numerical Implementation of the Barcelona Basic Model Based on Return-Mapping Integration

Applied Sciences, 2022
This paper implemented the Barcelona basic model (BBM) into the OpenGeoSys (OGS) platform for numerical modeling of the coupled hydro-mechanical (HM) behavior of unsaturated soil.
Zhenxing Ji, Haiyang Yi, Gen Li, Bingbing Liu, Zhide Wu   +4 more
doaj   +1 more source

Using intervention mapping to develop evidence-based toolkits that support workers on long-term sick leave and their managers

BMC Health Services Research, 2023
Background Managing long-term sickness absence is challenging in countries where employers and managers have the main responsibility to provide return to work support, particularly for workers with poor mental health.
Veronica Varela-Mato, Holly Blake, Joanna Yarker, Kate Godfree, Guy Daly, Juliet Hassard, Caroline Meyer, Charlotte Kershaw, Steven Marwaha, Kristina Newman, Sean Russell, Louise Thomson, Fehmidah Munir   +12 more
doaj   +1 more source

Return mapping scheme for the Hoek-Brown model with tension cut-off

Acta Polytechnica CTU Proceedings, 2023
The present paper revisits a stress update procedure for the Hoek-Brown plasticity model enhanced by a Rankine type of tension cut-off failure criterion.
Tereza Žalská, Michal Šejnoha
doaj   +1 more source

Implicit yield function formulation for granular and rock-like materials [PDF]

, 2014
The constitutive modelling of granular, porous and quasi-brittle materials is based on yield (or damage) functions, which may exhibit features (for instance, lack of convexity, or branches where the values go to infinity, or false elastic domains ...
Bigoni, D., Denzer, R., Piccolroaz, A., Stupkiewicz, S.   +3 more
core   +2 more sources

Elastoplastic analysis by return-mapping method with rigorous loading criterion for extended subloading surface model

Nihon Kikai Gakkai ronbunshu, 2019
The extended subloading surface model is capable of describing cyclic loading behavior accurately. The elastoplastic deformation analysis by the finite element analysis can be executed efficiently by the complete implicit stress integration method with ...
Takuya ANJIKI, Masanori OKA, Koichi HASHIGUCHI   +2 more
doaj   +1 more source

Extended subloading surface model based on multiplicative finite strain elastoplasticity framework: constitutive formulation and fully implicit return-mapping scheme

Nihon Kikai Gakkai ronbunshu, 2017
This paper presents a finite strain elastoplastic constitutive model incorporating the extended subloading surface concept within the unconventional plasticity framework for cyclic loadings. This is a reformulated and extended version of the small strain
Takuya IGUCHI, Yuki YAMAKAWA, Koichi HASHIGUCHI, Kiyohiro IKEDA   +3 more
doaj   +1 more source

Return mapping of phases and the analysis of the gravitational clustering hierarchy [PDF]

, 2002
In the standard paradigm for cosmological structure formation, clustering develops from initially random-phase (Gaussian) density fluctuations in the early Universe by a process of gravitational instability.
Bardeen, Bernardeau, Chiang, Chiang, Chiang, Coles, Jain, Lung-Yih Chiang, Matarrese, May, Naselsky, Pavel Naselsky, Peebles, Peter Coles, Ryden, Scherrer, Scoccimarro, Scoccimarro, Soda, Stirling, Verde, Verde, Verde, Watts   +23 more
core   +2 more sources

A re-formulation of extended subloading surface model for cyclic plasticity within small strain framework: hyperelastic-based formulation and fully implicit return-mapping scheme

Nihon Kikai Gakkai ronbunshu, 2016
This paper presents a re-formulation of the extended subloading surface model within the ‘unconventional plasticity’ concept applicable to cyclic loadings. The small strain theory is adopted in the model formulation.
Takuya IGUCHI, Yuki YAMAKAWA, Kiyohiro IKEDA   +2 more
doaj   +1 more source

Elastoplastic deformation analysis by return-mapping and consistent tangent modulus tensor based on subloading surface model (1st Report, Formulation of return-mapping)

Nihon Kikai Gakkai ronbunshu, 2014
The subloading surface model possesses the automatic controlling function to pull back the stress to the yield surface. However, this function is not concerned with the subyield state, i.e.
Koichi HASHIGUCHI, Noriyuki SUZUKI, Masami UENO   +2 more
doaj   +1 more source

Elastoplastic deformation analysis by return-mapping and consistent tangent modulus tensor based on subloading surface model (2st Report, Deformation analyses of machine elements)

Nihon Kikai Gakkai ronbunshu, 2014
The implicit stress integration algorithm was devised in the first report by formulating the return-mapping based on the cutting-plane projection and the consistent tangent modulus tensor due to the numerical method for the subloading surface model.
Noriyuki SUZUKI, Koichi HASHIGUCHI, Masami UENO   +2 more
doaj   +1 more source