Analytical and numerical models to predict the behavior of unbonded flexible risers under torsion
Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced....
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ren, Shao-fei [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 |
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| Übergeordnetes Werk: |
Enthalten in: China ocean engineering - Chinese Ocean Engineering Society, 1987, 30(2016), 2 vom: 01. Apr., Seite 243-256 |
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| Übergeordnetes Werk: |
volume:30 ; year:2016 ; number:2 ; day:01 ; month:04 ; pages:243-256 |
| Links: |
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| DOI / URN: |
10.1007/s13344-016-0015-9 |
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| Katalog-ID: |
OLC2028770813 |
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| 520 | |a Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. | ||
| 650 | 4 | |a unbonded flexible riser | |
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| 700 | 1 | |a Tang, Wen-yong |4 aut | |
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10.1007/s13344-016-0015-9 doi (DE-627)OLC2028770813 (DE-He213)s13344-016-0015-9-p DE-627 ger DE-627 rakwb eng 550 VZ Ren, Shao-fei verfasserin aut Analytical and numerical models to predict the behavior of unbonded flexible risers under torsion 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. unbonded flexible riser torsion tensile armor layers anti-friction tapes load distribution quasi-static Xue, Hong-xiang aut Tang, Wen-yong aut Enthalten in China ocean engineering Chinese Ocean Engineering Society, 1987 30(2016), 2 vom: 01. Apr., Seite 243-256 (DE-627)129242721 (DE-600)58741-2 (DE-576)434666319 0890-5487 nnns volume:30 year:2016 number:2 day:01 month:04 pages:243-256 https://doi.org/10.1007/s13344-016-0015-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO GBV_ILN_70 AR 30 2016 2 01 04 243-256 |
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10.1007/s13344-016-0015-9 doi (DE-627)OLC2028770813 (DE-He213)s13344-016-0015-9-p DE-627 ger DE-627 rakwb eng 550 VZ Ren, Shao-fei verfasserin aut Analytical and numerical models to predict the behavior of unbonded flexible risers under torsion 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. unbonded flexible riser torsion tensile armor layers anti-friction tapes load distribution quasi-static Xue, Hong-xiang aut Tang, Wen-yong aut Enthalten in China ocean engineering Chinese Ocean Engineering Society, 1987 30(2016), 2 vom: 01. Apr., Seite 243-256 (DE-627)129242721 (DE-600)58741-2 (DE-576)434666319 0890-5487 nnns volume:30 year:2016 number:2 day:01 month:04 pages:243-256 https://doi.org/10.1007/s13344-016-0015-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO GBV_ILN_70 AR 30 2016 2 01 04 243-256 |
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10.1007/s13344-016-0015-9 doi (DE-627)OLC2028770813 (DE-He213)s13344-016-0015-9-p DE-627 ger DE-627 rakwb eng 550 VZ Ren, Shao-fei verfasserin aut Analytical and numerical models to predict the behavior of unbonded flexible risers under torsion 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. unbonded flexible riser torsion tensile armor layers anti-friction tapes load distribution quasi-static Xue, Hong-xiang aut Tang, Wen-yong aut Enthalten in China ocean engineering Chinese Ocean Engineering Society, 1987 30(2016), 2 vom: 01. Apr., Seite 243-256 (DE-627)129242721 (DE-600)58741-2 (DE-576)434666319 0890-5487 nnns volume:30 year:2016 number:2 day:01 month:04 pages:243-256 https://doi.org/10.1007/s13344-016-0015-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO GBV_ILN_70 AR 30 2016 2 01 04 243-256 |
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10.1007/s13344-016-0015-9 doi (DE-627)OLC2028770813 (DE-He213)s13344-016-0015-9-p DE-627 ger DE-627 rakwb eng 550 VZ Ren, Shao-fei verfasserin aut Analytical and numerical models to predict the behavior of unbonded flexible risers under torsion 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. unbonded flexible riser torsion tensile armor layers anti-friction tapes load distribution quasi-static Xue, Hong-xiang aut Tang, Wen-yong aut Enthalten in China ocean engineering Chinese Ocean Engineering Society, 1987 30(2016), 2 vom: 01. Apr., Seite 243-256 (DE-627)129242721 (DE-600)58741-2 (DE-576)434666319 0890-5487 nnns volume:30 year:2016 number:2 day:01 month:04 pages:243-256 https://doi.org/10.1007/s13344-016-0015-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO GBV_ILN_70 AR 30 2016 2 01 04 243-256 |
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10.1007/s13344-016-0015-9 doi (DE-627)OLC2028770813 (DE-He213)s13344-016-0015-9-p DE-627 ger DE-627 rakwb eng 550 VZ Ren, Shao-fei verfasserin aut Analytical and numerical models to predict the behavior of unbonded flexible risers under torsion 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. unbonded flexible riser torsion tensile armor layers anti-friction tapes load distribution quasi-static Xue, Hong-xiang aut Tang, Wen-yong aut Enthalten in China ocean engineering Chinese Ocean Engineering Society, 1987 30(2016), 2 vom: 01. Apr., Seite 243-256 (DE-627)129242721 (DE-600)58741-2 (DE-576)434666319 0890-5487 nnns volume:30 year:2016 number:2 day:01 month:04 pages:243-256 https://doi.org/10.1007/s13344-016-0015-9 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-GEO GBV_ILN_70 AR 30 2016 2 01 04 243-256 |
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Analytical and numerical models to predict the behavior of unbonded flexible risers under torsion |
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Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. © Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 |
| abstractGer |
Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. © Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 |
| abstract_unstemmed |
Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers. © Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016 |
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| doi_str |
10.1007/s13344-016-0015-9 |
| up_date |
2024-07-03T20:22:13.226Z |
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1803590705585586176 |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">OLC2028770813</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230401151527.0</controlfield><controlfield tag="007">tu</controlfield><controlfield tag="008">200819s2016 xx ||||| 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s13344-016-0015-9</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)OLC2028770813</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-He213)s13344-016-0015-9-p</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">550</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Ren, Shao-fei</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Analytical and numerical models to predict the behavior of unbonded flexible risers under torsion</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2016</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">ohne Hilfsmittel zu benutzen</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Band</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© Chinese Ocean Engineering Society and Springer-Verlag Berlin Heidelberg 2016</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract This paper presents analytical and numerical models to predict the behavior of unbonded flexible risers under torsion. The analytical model takes local bending and torsion of tensile armor wires into consideration, and equilibrium equations of forces and displacements of layers are deduced. The numerical model includes lay angle, cross-sectional profiles of carcass, pressure armor layer and contact between layers. Abaqus/Explicit quasi-static simulation and mass scaling are adopted to avoid convergence problem and excessive computation time caused by geometric and contact nonlinearities. Results show that local bending and torsion of helical strips may have great influence on torsional stiffness, but stress related to bending and torsion is negligible; the presentation of anti-friction tapes may have great influence both on torsional stiffness and stress; hysteresis of torsion-twist relationship under cyclic loading is obtained by numerical model, which cannot be predicted by analytical model because of the ignorance of friction between layers.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">unbonded flexible riser</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">torsion</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">tensile armor layers</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">anti-friction tapes</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">load distribution</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">quasi-static</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Xue, Hong-xiang</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tang, Wen-yong</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">China ocean engineering</subfield><subfield code="d">Chinese Ocean Engineering Society, 1987</subfield><subfield code="g">30(2016), 2 vom: 01. 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