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Ice-shelf vibrations modeled by a full 3-D elastic model
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| Zeitschriftentitel: | Annals of Glaciology |
|---|---|
| Personen und Körperschaften: | |
| In: | Annals of Glaciology, 60, 2019, 79, S. 68-74 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Cambridge University Press (CUP)
|
| Schlagwörter: |
| author_facet |
Konovalov, Yuri V. Konovalov, Yuri V. |
|---|---|
| author |
Konovalov, Yuri V. |
| spellingShingle |
Konovalov, Yuri V. Annals of Glaciology Ice-shelf vibrations modeled by a full 3-D elastic model Earth-Surface Processes |
| author_sort |
konovalov, yuri v. |
| spelling |
Konovalov, Yuri V. 0260-3055 1727-5644 Cambridge University Press (CUP) Earth-Surface Processes http://dx.doi.org/10.1017/aog.2019.9 <jats:title>ABSTRACT</jats:title><jats:p>Forced ice-shelf vibration modeling is performed using a full 3-D finite-difference elastic model, which also takes into account sub-ice seawater flow. The sea water flow is described by the wave equation. Ice-shelf flexure therefore results from hydrostatic pressure perturbations in the sub-ice seawater layer. Numerical experiments were undertaken for idealized rectangular ice-shelf geometry. The ice-plate vibrations were modeled for harmonic incoming pressure perturbations and for a wide range of incoming wave frequencies. The spectra showed distinct resonant peaks, which demonstrate the ability of the model to simulate a resonant-like motion. The spectra obtained by the full 3-D model are compared with exact solutions for the elastic thin plate with two fixed edges and two free edges. The spectra are also compared with the spectra modeled by the thin-plate Holdsworth and Glynn model (1978).</jats:p> Ice-shelf vibrations modeled by a full 3-D elastic model Annals of Glaciology |
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| title |
Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_unstemmed |
Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_full |
Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_fullStr |
Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_full_unstemmed |
Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_short |
Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_sort |
ice-shelf vibrations modeled by a full 3-d elastic model |
| topic |
Earth-Surface Processes |
| url |
http://dx.doi.org/10.1017/aog.2019.9 |
| publishDate |
2019 |
| physical |
68-74 |
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<jats:title>ABSTRACT</jats:title><jats:p>Forced ice-shelf vibration modeling is performed using a full 3-D finite-difference elastic model, which also takes into account sub-ice seawater flow. The sea water flow is described by the wave equation. Ice-shelf flexure therefore results from hydrostatic pressure perturbations in the sub-ice seawater layer. Numerical experiments were undertaken for idealized rectangular ice-shelf geometry. The ice-plate vibrations were modeled for harmonic incoming pressure perturbations and for a wide range of incoming wave frequencies. The spectra showed distinct resonant peaks, which demonstrate the ability of the model to simulate a resonant-like motion. The spectra obtained by the full 3-D model are compared with exact solutions for the elastic thin plate with two fixed edges and two free edges. The spectra are also compared with the spectra modeled by the thin-plate Holdsworth and Glynn model (1978).</jats:p> |
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| author | Konovalov, Yuri V. |
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| container_start_page | 68 |
| container_title | Annals of Glaciology |
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| description | <jats:title>ABSTRACT</jats:title><jats:p>Forced ice-shelf vibration modeling is performed using a full 3-D finite-difference elastic model, which also takes into account sub-ice seawater flow. The sea water flow is described by the wave equation. Ice-shelf flexure therefore results from hydrostatic pressure perturbations in the sub-ice seawater layer. Numerical experiments were undertaken for idealized rectangular ice-shelf geometry. The ice-plate vibrations were modeled for harmonic incoming pressure perturbations and for a wide range of incoming wave frequencies. The spectra showed distinct resonant peaks, which demonstrate the ability of the model to simulate a resonant-like motion. The spectra obtained by the full 3-D model are compared with exact solutions for the elastic thin plate with two fixed edges and two free edges. The spectra are also compared with the spectra modeled by the thin-plate Holdsworth and Glynn model (1978).</jats:p> |
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| physical | 68-74 |
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| spelling | Konovalov, Yuri V. 0260-3055 1727-5644 Cambridge University Press (CUP) Earth-Surface Processes http://dx.doi.org/10.1017/aog.2019.9 <jats:title>ABSTRACT</jats:title><jats:p>Forced ice-shelf vibration modeling is performed using a full 3-D finite-difference elastic model, which also takes into account sub-ice seawater flow. The sea water flow is described by the wave equation. Ice-shelf flexure therefore results from hydrostatic pressure perturbations in the sub-ice seawater layer. Numerical experiments were undertaken for idealized rectangular ice-shelf geometry. The ice-plate vibrations were modeled for harmonic incoming pressure perturbations and for a wide range of incoming wave frequencies. The spectra showed distinct resonant peaks, which demonstrate the ability of the model to simulate a resonant-like motion. The spectra obtained by the full 3-D model are compared with exact solutions for the elastic thin plate with two fixed edges and two free edges. The spectra are also compared with the spectra modeled by the thin-plate Holdsworth and Glynn model (1978).</jats:p> Ice-shelf vibrations modeled by a full 3-D elastic model Annals of Glaciology |
| spellingShingle | Konovalov, Yuri V., Annals of Glaciology, Ice-shelf vibrations modeled by a full 3-D elastic model, Earth-Surface Processes |
| title | Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_full | Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_fullStr | Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_full_unstemmed | Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_short | Ice-shelf vibrations modeled by a full 3-D elastic model |
| title_sort | ice-shelf vibrations modeled by a full 3-d elastic model |
| title_unstemmed | Ice-shelf vibrations modeled by a full 3-D elastic model |
| topic | Earth-Surface Processes |
| url | http://dx.doi.org/10.1017/aog.2019.9 |