Stress Reconstruction and Constitutive Parameter Identification in Plane-Stress Elasto-plastic Problems Using Surface Measurements of Deformation Fields
Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is us...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Avril, S. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2007 |
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| Schlagwörter: |
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| Anmerkung: |
© Society for Experimental Mechanics 2007 |
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| Übergeordnetes Werk: |
Enthalten in: Experimental mechanics - Springer US, 1961, 48(2007), 4 vom: 15. Sept., Seite 403-419 |
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| Übergeordnetes Werk: |
volume:48 ; year:2007 ; number:4 ; day:15 ; month:09 ; pages:403-419 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11340-007-9084-2 |
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OLC2058174755 |
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| 520 | |a Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. | ||
| 650 | 4 | |a Virtual fields method | |
| 650 | 4 | |a Inverse method | |
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| 700 | 1 | |a Rotinat, R. |4 aut | |
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10.1007/s11340-007-9084-2 doi (DE-627)OLC2058174755 (DE-He213)s11340-007-9084-2-p DE-627 ger DE-627 rakwb eng 690 VZ Avril, S. verfasserin aut Stress Reconstruction and Constitutive Parameter Identification in Plane-Stress Elasto-plastic Problems Using Surface Measurements of Deformation Fields 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics 2007 Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. Virtual fields method Inverse method Plasticity Stress localization Full-field measurements Pierron, F. aut Pannier, Y. aut Rotinat, R. aut Enthalten in Experimental mechanics Springer US, 1961 48(2007), 4 vom: 15. Sept., Seite 403-419 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:48 year:2007 number:4 day:15 month:09 pages:403-419 https://doi.org/10.1007/s11340-007-9084-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_23 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2020 GBV_ILN_2057 GBV_ILN_4317 GBV_ILN_4700 AR 48 2007 4 15 09 403-419 |
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10.1007/s11340-007-9084-2 doi (DE-627)OLC2058174755 (DE-He213)s11340-007-9084-2-p DE-627 ger DE-627 rakwb eng 690 VZ Avril, S. verfasserin aut Stress Reconstruction and Constitutive Parameter Identification in Plane-Stress Elasto-plastic Problems Using Surface Measurements of Deformation Fields 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics 2007 Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. Virtual fields method Inverse method Plasticity Stress localization Full-field measurements Pierron, F. aut Pannier, Y. aut Rotinat, R. aut Enthalten in Experimental mechanics Springer US, 1961 48(2007), 4 vom: 15. Sept., Seite 403-419 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:48 year:2007 number:4 day:15 month:09 pages:403-419 https://doi.org/10.1007/s11340-007-9084-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_23 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2020 GBV_ILN_2057 GBV_ILN_4317 GBV_ILN_4700 AR 48 2007 4 15 09 403-419 |
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10.1007/s11340-007-9084-2 doi (DE-627)OLC2058174755 (DE-He213)s11340-007-9084-2-p DE-627 ger DE-627 rakwb eng 690 VZ Avril, S. verfasserin aut Stress Reconstruction and Constitutive Parameter Identification in Plane-Stress Elasto-plastic Problems Using Surface Measurements of Deformation Fields 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics 2007 Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. Virtual fields method Inverse method Plasticity Stress localization Full-field measurements Pierron, F. aut Pannier, Y. aut Rotinat, R. aut Enthalten in Experimental mechanics Springer US, 1961 48(2007), 4 vom: 15. Sept., Seite 403-419 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:48 year:2007 number:4 day:15 month:09 pages:403-419 https://doi.org/10.1007/s11340-007-9084-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_23 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2020 GBV_ILN_2057 GBV_ILN_4317 GBV_ILN_4700 AR 48 2007 4 15 09 403-419 |
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10.1007/s11340-007-9084-2 doi (DE-627)OLC2058174755 (DE-He213)s11340-007-9084-2-p DE-627 ger DE-627 rakwb eng 690 VZ Avril, S. verfasserin aut Stress Reconstruction and Constitutive Parameter Identification in Plane-Stress Elasto-plastic Problems Using Surface Measurements of Deformation Fields 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics 2007 Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. Virtual fields method Inverse method Plasticity Stress localization Full-field measurements Pierron, F. aut Pannier, Y. aut Rotinat, R. aut Enthalten in Experimental mechanics Springer US, 1961 48(2007), 4 vom: 15. Sept., Seite 403-419 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:48 year:2007 number:4 day:15 month:09 pages:403-419 https://doi.org/10.1007/s11340-007-9084-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_23 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2020 GBV_ILN_2057 GBV_ILN_4317 GBV_ILN_4700 AR 48 2007 4 15 09 403-419 |
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10.1007/s11340-007-9084-2 doi (DE-627)OLC2058174755 (DE-He213)s11340-007-9084-2-p DE-627 ger DE-627 rakwb eng 690 VZ Avril, S. verfasserin aut Stress Reconstruction and Constitutive Parameter Identification in Plane-Stress Elasto-plastic Problems Using Surface Measurements of Deformation Fields 2007 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Society for Experimental Mechanics 2007 Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. Virtual fields method Inverse method Plasticity Stress localization Full-field measurements Pierron, F. aut Pannier, Y. aut Rotinat, R. aut Enthalten in Experimental mechanics Springer US, 1961 48(2007), 4 vom: 15. Sept., Seite 403-419 (DE-627)129593990 (DE-600)240480-1 (DE-576)015086852 0014-4851 nnns volume:48 year:2007 number:4 day:15 month:09 pages:403-419 https://doi.org/10.1007/s11340-007-9084-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_23 GBV_ILN_62 GBV_ILN_70 GBV_ILN_2020 GBV_ILN_2057 GBV_ILN_4317 GBV_ILN_4700 AR 48 2007 4 15 09 403-419 |
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stress reconstruction and constitutive parameter identification in plane-stress elasto-plastic problems using surface measurements of deformation fields |
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Stress Reconstruction and Constitutive Parameter Identification in Plane-Stress Elasto-plastic Problems Using Surface Measurements of Deformation Fields |
| abstract |
Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. © Society for Experimental Mechanics 2007 |
| abstractGer |
Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. © Society for Experimental Mechanics 2007 |
| abstract_unstemmed |
Abstract This paper deals with the identification of elasto-plastic constitutive parameters from deformation fields measured over the surface of thin flat specimens with the grid method. The approach for recovering the constitutive parameters is the virtual fields method. A dedicated algorithm is used for deriving the distribution of the 2D stress components from the measured deformation fields. A state of plane stress is assumed. Guesses of the constitutive parameters are input in the algorithm and updated until the stresses satisfy the principle of virtual work in the least squares sense. The advantage of this approach is that it can handle very heterogeneous plastic flows and it is much faster than classical finite element model updating approaches. An experimental application is provided to demonstrate it. Six mild steel double-notched specimens have been tested in a configuration combining tension and in-plane bending. The identified parameters are in good agreement with their reference counterparts. Stress fields are eventually reconstructed across the specimen all along the test for analyzing the evolution of the plastic flow. © Society for Experimental Mechanics 2007 |
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| title_short |
Stress Reconstruction and Constitutive Parameter Identification in Plane-Stress Elasto-plastic Problems Using Surface Measurements of Deformation Fields |
| url |
https://doi.org/10.1007/s11340-007-9084-2 |
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| author2 |
Pierron, F. Pannier, Y. Rotinat, R. |
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Pierron, F. Pannier, Y. Rotinat, R. |
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| doi_str |
10.1007/s11340-007-9084-2 |
| up_date |
2024-07-03T17:58:50.906Z |
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