A rigorous variant of the shear strength reduction method and its geotechnical applications

Stanislav Sysala; Eva Hrubešová; Zdeněk Michalec; Franz Tschuchnigg

A rigorous variant of the shear strength reduction method and its geotechnical applications

Stanislav Sysala, Eva Hrubešová, Zdeněk Michalec, Franz Tschuchnigg

Publikation: Beitrag in Buch/Bericht/Konferenzband › Beitrag in einem Konferenzband › Begutachtung

Abstract

This paper is focused on a new optimization variant of the shear strength
reduction (OPT-SSR) in non-associated Mohr-Coulomb plasticity. The OPT-SSR method mimics the limit analysis problem and enables to compute the factor of safety without performing an elasto-plastic analysis. It is shown that this optimization problem is welldefinedand closely related to recently developed Davis approaches used in combination with the standard SSR method. Next, the duality between the static and kinematic principles of OPT-SSR is introduced. For the numerical solution, a regularization method is suggested.

Originalsprache	englisch
Titel	XVI International Conference on Computational Plasticity.
Untertitel	Fundamentals and Applications
Seiten	1-8
Seitenumfang	8
Publikationsstatus	Veröffentlicht - Okt. 2021

Dieses zitieren

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title = "A rigorous variant of the shear strength reduction method and its geotechnical applications",

abstract = "This paper is focused on a new optimization variant of the shear strengthreduction (OPT-SSR) in non-associated Mohr-Coulomb plasticity. The OPT-SSR method mimics the limit analysis problem and enables to compute the factor of safety without performing an elasto-plastic analysis. It is shown that this optimization problem is welldefinedand closely related to recently developed Davis approaches used in combination with the standard SSR method. Next, the duality between the static and kinematic principles of OPT-SSR is introduced. For the numerical solution, a regularization method is suggested.",

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AU - Sysala, Stanislav

AU - Hrubešová, Eva

AU - Michalec, Zdeněk

AU - Tschuchnigg, Franz

PY - 2021/10

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N2 - This paper is focused on a new optimization variant of the shear strengthreduction (OPT-SSR) in non-associated Mohr-Coulomb plasticity. The OPT-SSR method mimics the limit analysis problem and enables to compute the factor of safety without performing an elasto-plastic analysis. It is shown that this optimization problem is welldefinedand closely related to recently developed Davis approaches used in combination with the standard SSR method. Next, the duality between the static and kinematic principles of OPT-SSR is introduced. For the numerical solution, a regularization method is suggested.

AB - This paper is focused on a new optimization variant of the shear strengthreduction (OPT-SSR) in non-associated Mohr-Coulomb plasticity. The OPT-SSR method mimics the limit analysis problem and enables to compute the factor of safety without performing an elasto-plastic analysis. It is shown that this optimization problem is welldefinedand closely related to recently developed Davis approaches used in combination with the standard SSR method. Next, the duality between the static and kinematic principles of OPT-SSR is introduced. For the numerical solution, a regularization method is suggested.

M3 - Conference paper

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BT - XVI International Conference on Computational Plasticity.

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