Continuum approach to the numerical simulation of material failure in concrete
Some new aspects of the continuum strong discontinuity approach (CSDA) to model material failure in geomaterials are addressed. A new global algorithm, for tracking multiple crack lines/surfaces in 2D/3D cases is proposed. It is based on solving a simple heat conduction‐like problem accompanying the...
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| Veröffentlicht in: | International journal for numerical and analytical methods in geomechanics 2004-06, Vol.28 (7-8), p.609-632 |
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| container_end_page | 632 |
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| container_issue | 7-8 |
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| container_title | International journal for numerical and analytical methods in geomechanics |
| container_volume | 28 |
| creator | Oliver, J. Huespe, A. E. Samaniego, E. Chaves, E. W. V. |
| description | Some new aspects of the continuum strong discontinuity approach (CSDA) to model material failure in geomaterials are addressed. A new global algorithm, for tracking multiple crack lines/surfaces in 2D/3D cases is proposed. It is based on solving a simple heat conduction‐like problem accompanying the standard mechanical algorithm. A viscous perturbation method on the crack surface is also proposed to remedy the instabilities caused by mutual interactions of multiple developing cracks. A simple procedure to compute the critical time step that ensures algorithmic uniqueness is then provided. Numerical simulations of two‐ and three‐dimensional problems displaying a multi‐crack pattern are finally presented. Copyright © 2004 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/nag.365 |
| format | Article |
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| language | eng |
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| source | Wiley Online Library All Journals |
| subjects | Applied sciences Buildings. Public works Concretes. Mortars. Grouts Exact sciences and technology fracture General (composition, classification, performance, standards, patents, etc.) localization material failure Materials multi-cracking Strength of materials (elasticity, plasticity, buckling, etc.) strong discontinuity Structural analysis. Stresses |
| title | Continuum approach to the numerical simulation of material failure in concrete |
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