Impact of nonlinear heat transfer on temperature control in regional hyperthermia:
Abstract: "We describe an optimization process specially designed for regional hyperthermia of deep seated tumors in order to achieve desired steady-state temperature distributions. A nonlinear three-dimensional heat transfer model based on temperature-dependent blood perfusion is applied to pr...
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Berlin
Konrad-Zuse-Zentrum für Informationstechnik
1997
|
| Schriftenreihe: | Preprint SC / Konrad-Zuse-Zentrum für Informationstechnik Berlin
1997,73 |
| Schlagworte: | |
| Zusammenfassung: | Abstract: "We describe an optimization process specially designed for regional hyperthermia of deep seated tumors in order to achieve desired steady-state temperature distributions. A nonlinear three-dimensional heat transfer model based on temperature-dependent blood perfusion is applied to predict the temperature. Using linearly implicit methods in time and adaptive multilevel finite elements in space, we are able to integrate efficiently the instationary nonlinear heat equation with high accuracy. Optimal heating is obtained by minimizing an integral object function which measures the distance between desired and model predicted temperatures. A sequence of minima is calculated from successively improved constant-rate perfusion models employing a damped Newton method in an inner iteration. We compare temperature distributions for two individual patients calculated on coarse and fine spatial grids and present numerical results of optimizations for a Sigma 60 Applicator of the BSD 2000 Hyperthermia System." |
| Beschreibung: | 22 S. Ill., graph. Darst. |
Internformat
MARC
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| 100 | 1 | |a Lang, Jens |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Impact of nonlinear heat transfer on temperature control in regional hyperthermia |c J. Lang ; B. Erdmann ; M. Seebass |
| 264 | 1 | |a Berlin |b Konrad-Zuse-Zentrum für Informationstechnik |c 1997 | |
| 300 | |a 22 S. |b Ill., graph. Darst. | ||
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| 490 | 1 | |a Preprint SC / Konrad-Zuse-Zentrum für Informationstechnik Berlin |v 1997,73 | |
| 520 | 3 | |a Abstract: "We describe an optimization process specially designed for regional hyperthermia of deep seated tumors in order to achieve desired steady-state temperature distributions. A nonlinear three-dimensional heat transfer model based on temperature-dependent blood perfusion is applied to predict the temperature. Using linearly implicit methods in time and adaptive multilevel finite elements in space, we are able to integrate efficiently the instationary nonlinear heat equation with high accuracy. Optimal heating is obtained by minimizing an integral object function which measures the distance between desired and model predicted temperatures. A sequence of minima is calculated from successively improved constant-rate perfusion models employing a damped Newton method in an inner iteration. We compare temperature distributions for two individual patients calculated on coarse and fine spatial grids and present numerical results of optimizations for a Sigma 60 Applicator of the BSD 2000 Hyperthermia System." | |
| 650 | 4 | |a Mathematisches Modell | |
| 650 | 4 | |a Cancer | |
| 650 | 4 | |a Heat |x Physiological effect |x Mathematical models | |
| 650 | 4 | |a Heat |x Transmission | |
| 650 | 4 | |a Mathematical optimization | |
| 700 | 1 | |a Erdmann, Bodo |e Verfasser |4 aut | |
| 700 | 1 | |a Seebaß, Martin |e Verfasser |4 aut | |
| 810 | 2 | |a Konrad-Zuse-Zentrum für Informationstechnik Berlin |t Preprint SC |v 1997,73 |w (DE-604)BV004801715 |9 1997,73 | |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-010361014 | ||
Datensatz im Suchindex
| _version_ | 1804130046622826496 |
|---|---|
| any_adam_object | |
| author | Lang, Jens Erdmann, Bodo Seebaß, Martin |
| author_facet | Lang, Jens Erdmann, Bodo Seebaß, Martin |
| author_role | aut aut aut |
| author_sort | Lang, Jens |
| author_variant | j l jl b e be m s ms |
| building | Verbundindex |
| bvnumber | BV017190103 |
| classification_rvk | SS 4777 |
| ctrlnum | (OCoLC)39980977 (DE-599)BVBBV017190103 |
| discipline | Informatik |
| format | Book |
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| id | DE-604.BV017190103 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T19:14:48Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-010361014 |
| oclc_num | 39980977 |
| open_access_boolean | |
| owner | DE-703 |
| owner_facet | DE-703 |
| physical | 22 S. Ill., graph. Darst. |
| publishDate | 1997 |
| publishDateSearch | 1997 |
| publishDateSort | 1997 |
| publisher | Konrad-Zuse-Zentrum für Informationstechnik |
| record_format | marc |
| series2 | Preprint SC / Konrad-Zuse-Zentrum für Informationstechnik Berlin |
| spelling | Lang, Jens Verfasser aut Impact of nonlinear heat transfer on temperature control in regional hyperthermia J. Lang ; B. Erdmann ; M. Seebass Berlin Konrad-Zuse-Zentrum für Informationstechnik 1997 22 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Preprint SC / Konrad-Zuse-Zentrum für Informationstechnik Berlin 1997,73 Abstract: "We describe an optimization process specially designed for regional hyperthermia of deep seated tumors in order to achieve desired steady-state temperature distributions. A nonlinear three-dimensional heat transfer model based on temperature-dependent blood perfusion is applied to predict the temperature. Using linearly implicit methods in time and adaptive multilevel finite elements in space, we are able to integrate efficiently the instationary nonlinear heat equation with high accuracy. Optimal heating is obtained by minimizing an integral object function which measures the distance between desired and model predicted temperatures. A sequence of minima is calculated from successively improved constant-rate perfusion models employing a damped Newton method in an inner iteration. We compare temperature distributions for two individual patients calculated on coarse and fine spatial grids and present numerical results of optimizations for a Sigma 60 Applicator of the BSD 2000 Hyperthermia System." Mathematisches Modell Cancer Heat Physiological effect Mathematical models Heat Transmission Mathematical optimization Erdmann, Bodo Verfasser aut Seebaß, Martin Verfasser aut Konrad-Zuse-Zentrum für Informationstechnik Berlin Preprint SC 1997,73 (DE-604)BV004801715 1997,73 |
| spellingShingle | Lang, Jens Erdmann, Bodo Seebaß, Martin Impact of nonlinear heat transfer on temperature control in regional hyperthermia Mathematisches Modell Cancer Heat Physiological effect Mathematical models Heat Transmission Mathematical optimization |
| title | Impact of nonlinear heat transfer on temperature control in regional hyperthermia |
| title_auth | Impact of nonlinear heat transfer on temperature control in regional hyperthermia |
| title_exact_search | Impact of nonlinear heat transfer on temperature control in regional hyperthermia |
| title_full | Impact of nonlinear heat transfer on temperature control in regional hyperthermia J. Lang ; B. Erdmann ; M. Seebass |
| title_fullStr | Impact of nonlinear heat transfer on temperature control in regional hyperthermia J. Lang ; B. Erdmann ; M. Seebass |
| title_full_unstemmed | Impact of nonlinear heat transfer on temperature control in regional hyperthermia J. Lang ; B. Erdmann ; M. Seebass |
| title_short | Impact of nonlinear heat transfer on temperature control in regional hyperthermia |
| title_sort | impact of nonlinear heat transfer on temperature control in regional hyperthermia |
| topic | Mathematisches Modell Cancer Heat Physiological effect Mathematical models Heat Transmission Mathematical optimization |
| topic_facet | Mathematisches Modell Cancer Heat Physiological effect Mathematical models Heat Transmission Mathematical optimization |
| volume_link | (DE-604)BV004801715 |
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