{"id":"https://openalex.org/W1978512152","doi":"https://doi.org/10.1016/0031-9201(95)03104-9","title":"Variational calculation of the free core nutation mode","display_name":"Variational calculation of the free core nutation mode","publication_year":1996,"publication_date":"1996-04-01","ids":{"openalex":"https://openalex.org/W1978512152","doi":"https://doi.org/10.1016/0031-9201(95)03104-9","mag":"1978512152"},"language":"en","primary_location":{"id":"doi:10.1016/0031-9201(95)03104-9","doi":"https://doi.org/10.1016/0031-9201(95)03104-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0031-9201(95)03104-9","pdf_url":null,"source":{"id":"https://openalex.org/S106840945","display_name":"Physics of The Earth and Planetary Interiors","issn_l":"0031-9201","issn":["0031-9201","1872-7395"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","norway-1","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physics of the Earth and Planetary Interiors","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111543587","display_name":"Xianhua Jiang","orcid":"https://orcid.org/0009-0009-1205-1474","observed_orcids":["https://orcid.org/0009-0009-1205-1474"]},"institutions":[{"id":"https://openalex.org/I192455969","display_name":"York University","ror":"https://ror.org/05fq50484","country_code":"CA","type":"education","lineage":["https://openalex.org/I192455969"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Xianhua Jiang","raw_affiliation_strings":["Department of Earth and Atmospheric Science, York University, North York, Ont. M3J 1P3, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Earth and Atmospheric Science, York University, North York, Ont. M3J 1P3, Canada","institution_ids":["https://openalex.org/I192455969"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109872568","display_name":"D. E. Smylie","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I192455969","display_name":"York University","ror":"https://ror.org/05fq50484","country_code":"CA","type":"education","lineage":["https://openalex.org/I192455969"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"D.E. Smylie","raw_affiliation_strings":["Department of Earth and Atmospheric Science, York University, North York, Ont. M3J 1P3, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Earth and Atmospheric Science, York University, North York, Ont. M3J 1P3, Canada","institution_ids":["https://openalex.org/I192455969"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I192455969"],"apc_list":{"value":3290,"currency":"USD","value_usd":3290},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"94","issue":"3-4","first_page":"159","last_page":"182"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9750999808311462,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9750999808311462,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13885","display_name":"Geophysics and Sensor Technology","score":0.008200000040233135,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10413","display_name":"High-pressure geophysics and materials","score":0.003599999938160181,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/free-core-nutation","display_name":"free core nutation","score":0.9980000257492065},{"id":"https://openalex.org/keywords/liquid-outer-core","display_name":"liquid outer core","score":0.7549999952316284},{"id":"https://openalex.org/keywords/eigenperiods","display_name":"eigenperiods","score":0.7570000290870667},{"id":"https://openalex.org/keywords/variational-principle","display_name":"variational principle","score":0.8529999852180481},{"id":"https://openalex.org/keywords/finite-element-analysis","display_name":"finite element analysis","score":0.9390000104904175},{"id":"https://openalex.org/keywords/nonlinear-eigenvalue-problems","display_name":"nonlinear eigenvalue problems","score":0.8690000176429749},{"id":"https://openalex.org/keywords/earth-tides","display_name":"Earth tides","score":0.656000018119812},{"id":"https://openalex.org/keywords/core-dynamics","display_name":"core dynamics","score":0.5559999942779541}],"concepts":[{"id":"https://openalex.org/C37025601","wikidata":"https://www.wikidata.org/wiki/Q20180599","display_name":"Nutation","level":2,"score":0.9548013210296631},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.6295177340507507},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.5616804361343384},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.5092312097549438},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.43361955881118774},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.42178580164909363},{"id":"https://openalex.org/C72782756","wikidata":"https://www.wikidata.org/wiki/Q394352","display_name":"Inner core","level":2,"score":0.42175137996673584},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3641848862171173},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.22929665446281433},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11576533317565918},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.07254886627197266},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0031-9201(95)03104-9","doi":"https://doi.org/10.1016/0031-9201(95)03104-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0031-9201(95)03104-9","pdf_url":null,"source":{"id":"https://openalex.org/S106840945","display_name":"Physics of The Earth and Planetary Interiors","issn_l":"0031-9201","issn":["0031-9201","1872-7395"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","norway-1","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physics of the Earth and Planetary Interiors","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W243667670","https://openalex.org/W361025695","https://openalex.org/W1508287167","https://openalex.org/W1527515332","https://openalex.org/W1588150878","https://openalex.org/W1618333098","https://openalex.org/W1634405285","https://openalex.org/W1649249565","https://openalex.org/W1652660986","https://openalex.org/W1982304204","https://openalex.org/W1986267614","https://openalex.org/W1998901013","https://openalex.org/W2029174799","https://openalex.org/W2039040532","https://openalex.org/W2044355921","https://openalex.org/W2044793209","https://openalex.org/W2063836664","https://openalex.org/W2067136083","https://openalex.org/W2073656757","https://openalex.org/W2082336357","https://openalex.org/W2082895625","https://openalex.org/W2089480904","https://openalex.org/W2094882200","https://openalex.org/W2103651875","https://openalex.org/W2138396472","https://openalex.org/W2157664749","https://openalex.org/W2160425552","https://openalex.org/W2162761340","https://openalex.org/W2164881068","https://openalex.org/W2166667445","https://openalex.org/W2167606990","https://openalex.org/W2321310861","https://openalex.org/W2485062336","https://openalex.org/W2999005283","https://openalex.org/W3002603367","https://openalex.org/W3012138095","https://openalex.org/W3112703728","https://openalex.org/W6636631899"],"related_works":["https://openalex.org/W4383314941","https://openalex.org/W2193962041","https://openalex.org/W2041599368","https://openalex.org/W2036495477","https://openalex.org/W4385479860","https://openalex.org/W2255302412","https://openalex.org/W2082336357","https://openalex.org/W1984676644","https://openalex.org/W1984363674","https://openalex.org/W2611029881"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}