Journal ArticleDOI
Development of non-iterative self correcting solution (nonss) method for the viscoplastic analysis with the chaboche model
P. Chellapandi,R. S. Alwar +1 more
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This article is published in International Journal for Numerical Methods in Engineering.The article was published on 1998-10-30. It has received 7 citations till now. The article focuses on the topics: Tangent stiffness matrix & Viscoplasticity.read more
Citations
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Journal ArticleDOI
Thermal and structural analysis of calandria vessel of a phwr during a severe accident
TL;DR: In this paper, a numerical analysis is performed to evaluate the thermal loads and the stresses in the calandria vessel following a severe core damage accident in a PHWR, and the strain rate and the vessel failure have been evaluated for the above scenario.
Journal ArticleDOI
The influence of the crust layer on RPV structural failure under severe accident condition
Jianfeng Mao,Jianfeng Mao,Li Xiangqing,Shiyi Bao,Shiyi Bao,Lijia Luo,Zengliang Gao,Zengliang Gao +7 more
TL;DR: In this paper, a detailed investigation is conducted by using numerical simulation on the two pressure vessel (RPV) with and without crust layer respectively, and the authors assesses the likelihood and potential failure location, time and mode of the lower head (LH) under the loadings of the critical heat flux (CHF) and slight internal pressure.
Book ChapterDOI
Plant life management (PLiM) practices for sodium cooled fast neutron spectrum nuclear reactors (SFRs)
TL;DR: In this article, the authors give an overview of life management issues of fast neutron spectrum (SFRs) and present state-of-the-art PLiM practices for SFRs.
Journal ArticleDOI
Effects of the Unified Viscoplastic Formulation and Temperature Terms on the Thermomechanical Behavior of Soldering Materials
TL;DR: In this paper, the authors compared the most common unified viscoplastic models in the local and finite element levels for the decision upon the most efficient model for a tin-based solder token as the test material.
Proceedings ArticleDOI
Efficiency and robustness of some behavior laws in the description of viscoplastic deformation and degradation of solder materials
TL;DR: In this paper, the authors compare the most common unified viscoplastic models in the local and finite element levels for the decision upon the most efficient model for a tin-based solder token as the test material.
References
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Journal ArticleDOI
A mixed explicit‐implicit (EI) algorithm for creep stress analysis
G. G. Chen,T. R. Hsu +1 more
TL;DR: A mixed explicit-implicit numerical integration algorithm for creep stress analysis is presented in this paper, which allows simultaneously use of, and thus benefit from, both these integration schemes and is suitable for the prediction of creep crack growth in solids using the continuum damage approach.
Journal ArticleDOI
Stress evaluation algorithms for rate constitutive equations in finite deformation analysis
TL;DR: In this article, the stress integration algorithm for hypoelastic constitutive equations proposed by Pinsky et al. was extended for the treatment of finite deformation elastoplastic relations.
Journal ArticleDOI
Creep Damage in 17–12 SPH Stainless Steel Notched Specimens: Metallographical Study and Numerical Modeling
TL;DR: In this article, the authors present an experiment experimentale sur des echantillons soumis a des essais de rupturefluage a 600 C. L'examen metallographique permet l'estimation quantitative de fissuration intergranulaire lors des essai de fluage.
Journal ArticleDOI
An algorithm for the solution of very large banded unsymmetric linear equation systems
TL;DR: An algorithm and corresponding FORTRAN program for the solution of unsymmetric banded linear equation systems based on the Crout method is presented, which enables the Solution of very large equation systems with a total equation number reaching 30,000 and a full bandwidth in excess of 1,000.
Journal ArticleDOI
Assessment of life of inner vessel for a pool-type fast breeder reactor based on inelastic and viscoplastic deformations
TL;DR: In this article, a 3D elastic and axisymmetric inelastic analysis with classical kinematic hardening model, ORNL material model and more realistic CHABOCHE viscoplastic model have been performed.
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Sonia Marfia,Elio Sacco +1 more