{"id":"https://openalex.org/W150795341","doi":null,"title":"Modal density estimates for sandwich panels - Theory and experiment","display_name":"Modal density estimates for sandwich panels - Theory and experiment","publication_year":1970,"publication_date":"1970-09-01","ids":{"openalex":"https://openalex.org/W150795341","mag":"150795341"},"language":"en","primary_location":{"id":"pmh:oai:casi.ntrs.nasa.gov:19700031338","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2060/19700031338","pdf_url":"http://hdl.handle.net/2060/19700031338","source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"CASI","raw_type":"A-3106"},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2060/19700031338","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5111918241","display_name":"L. L. Erickson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1280536761","display_name":"Ames Research Center","ror":"https://ror.org/02acart68","country_code":"US","type":"facility","lineage":["https://openalex.org/I1280536761","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"L. L. Erickson","raw_affiliation_strings":["NASA Ames Research Center Moffett Field, CA, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NASA Ames Research Center Moffett Field, CA, United States","institution_ids":["https://openalex.org/I1280536761"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5111918241"],"corresponding_institution_ids":["https://openalex.org/I1280536761"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.01445385,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10221","display_name":"Composite Structure Analysis and Optimization","score":0.8647000193595886,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10221","display_name":"Composite Structure Analysis and Optimization","score":0.8647000193595886,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11096","display_name":"Aeroelasticity and Vibration Control","score":0.09619999676942825,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12206","display_name":"Vibration and Dynamic Analysis","score":0.009399999864399433,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/modal-density","display_name":"modal density","score":0.9729999899864197},{"id":"https://openalex.org/keywords/sandwich-panels","display_name":"sandwich panels","score":0.9380000233650208},{"id":"https://openalex.org/keywords/sandwich-beams","display_name":"sandwich beams","score":0.9940000176429749},{"id":"https://openalex.org/keywords/natural-frequency-estimation","display_name":"natural frequency estimation","score":0.5709999799728394}],"concepts":[{"id":"https://openalex.org/C71139939","wikidata":"https://www.wikidata.org/wiki/Q910194","display_name":"Modal","level":2,"score":0.5320452451705933},{"id":"https://openalex.org/C85463006","wikidata":"https://www.wikidata.org/wiki/Q620529","display_name":"Sandwich-structured composite","level":3,"score":0.49161678552627563},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3303585350513458},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.2027888000011444},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.19732919335365295},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10553038120269775},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:casi.ntrs.nasa.gov:19700031338","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2060/19700031338","pdf_url":"http://hdl.handle.net/2060/19700031338","source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"CASI","raw_type":"A-3106"},{"id":"mag:150795341","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/api/citations/19700031338/downloads/19700031338.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:casi.ntrs.nasa.gov:19700031338","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/2060/19700031338","pdf_url":"http://hdl.handle.net/2060/19700031338","source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"CASI","raw_type":"A-3106"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W150795341.pdf","grobid_xml":"https://content.openalex.org/works/W150795341.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W48039415","https://openalex.org/W745202906","https://openalex.org/W6992848052","https://openalex.org/W2765738815","https://openalex.org/W2375137045","https://openalex.org/W2793846655","https://openalex.org/W2925235593","https://openalex.org/W2569020481","https://openalex.org/W2592413455","https://openalex.org/W2116222439"],"abstract_inverted_index":{"Formulas":[0],"are":[1],"p":[2],"r":[3],"e":[4,6,9,23,27,33],"s":[5,29,34],"n":[7,28],"t":[8,11,14,18,21,31],"d":[10,26],"h":[12,22],"a":[13,41],"can":[15],"be":[16],"used":[17],"o":[19],"estimate":[20],"average":[24],"modal":[25],"i":[30,32],"of":[35],"sandwich":[36],"beams":[37],"and":[38],"f":[39],"l":[40]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2016-06-24T00:00:00"}