dc.date.accessioned | 2019-12-05T19:32:19Z | |
dc.date.available | 2019-12-05T19:32:19Z | |
dc.date.created | 2018-06-18T12:39:58Z | |
dc.date.issued | 2018 | |
dc.identifier.citation | Glerum, Anne Thieulot, Cedric Fraters, M Blom, Constantijn Spakman, Wim . Nonlinear viscoplasticity in ASPECT: Benchmarking and applications to subduction. Solid Earth (SE). 2018, 9(2), 267-294 | |
dc.identifier.uri | http://hdl.handle.net/10852/71210 | |
dc.description.abstract | ASPECT (Advanced Solver for Problems in Earth's ConvecTion) is a massively parallel finite element code originally designed for modeling thermal convection in the mantle with a Newtonian rheology. The code is characterized by modern numerical methods, high-performance parallelism and extensibility. This last characteristic is illustrated in this work: we have extended the use of ASPECT from global thermal convection modeling to upper-mantle-scale applications of subduction.
Subduction modeling generally requires the tracking of multiple materials with different properties and with nonlinear viscous and viscoplastic rheologies. To this end, we implemented a frictional plasticity criterion that is combined with a viscous diffusion and dislocation creep rheology. Because ASPECT uses compositional fields to represent different materials, all material parameters are made dependent on a user-specified number of fields.
The goal of this paper is primarily to describe and verify our implementations of complex, multi-material rheology by reproducing the results of four well-known two-dimensional benchmarks: the indentor benchmark, the brick experiment, the sandbox experiment and the slab detachment benchmark. Furthermore, we aim to provide hands-on examples for prospective users by demonstrating the use of multi-material viscoplasticity with three-dimensional, thermomechanical models of oceanic subduction, putting ASPECT on the map as a community code for high-resolution, nonlinear rheology subduction modeling. | |
dc.language | EN | |
dc.rights | Attribution 3.0 Unported | |
dc.rights.uri | https://creativecommons.org/licenses/by/3.0/ | |
dc.title | Nonlinear viscoplasticity in ASPECT: Benchmarking and applications to subduction | |
dc.type | Journal article | |
dc.creator.author | Glerum, Anne | |
dc.creator.author | Thieulot, Cedric | |
dc.creator.author | Fraters, M | |
dc.creator.author | Blom, Constantijn | |
dc.creator.author | Spakman, Wim | |
cristin.unitcode | 185,15,22,40 | |
cristin.unitname | Senter for Jordens utvikling og dynamikk | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 1 | |
dc.identifier.cristin | 1591873 | |
dc.identifier.bibliographiccitation | info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Solid Earth (SE)&rft.volume=9&rft.spage=267&rft.date=2018 | |
dc.identifier.jtitle | Solid Earth (SE) | |
dc.identifier.volume | 9 | |
dc.identifier.issue | 2 | |
dc.identifier.startpage | 267 | |
dc.identifier.endpage | 294 | |
dc.identifier.doi | https://doi.org/10.5194/se-9-267-2018 | |
dc.identifier.urn | URN:NBN:no-74337 | |
dc.type.document | Tidsskriftartikkel | |
dc.type.peerreviewed | Peer reviewed | |
dc.source.issn | 1869-9510 | |
dc.identifier.fulltext | Fulltext https://www.duo.uio.no/bitstream/handle/10852/71210/2/se-9-267-2018.pdf | |
dc.type.version | PublishedVersion | |