{"id":"https://openalex.org/W7225401299","doi":"https://doi.org/10.1080/17452759.2026.2752621","title":"Graded-twist TPMS metamaterial with twist-locking mechanism and non-monotonic stiffness","display_name":"Graded-twist TPMS metamaterial with twist-locking mechanism and non-monotonic stiffness","publication_year":2026,"publication_date":"2026-11-06","ids":{"openalex":"https://openalex.org/W7225401299","doi":"https://doi.org/10.1080/17452759.2026.2752621"},"language":"en","primary_location":{"id":"doi:10.1080/17452759.2026.2752621","doi":"https://doi.org/10.1080/17452759.2026.2752621","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17452759.2026.2752621","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17452759.2026.2752621?needAccess=true","source":{"id":"https://openalex.org/S152936027","display_name":"Virtual and Physical Prototyping","issn_l":"1745-2759","issn":["1745-2759","1745-2767"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Virtual and Physical Prototyping","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.tandfonline.com/doi/pdf/10.1080/17452759.2026.2752621?needAccess=true","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5161138105","display_name":"Huan Li","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huan Li","raw_affiliation_strings":["Southwest Jiaotong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161005644","display_name":"Hu Liu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hu Liu","raw_affiliation_strings":["Southwest Jiaotong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161003948","display_name":"Jie Xia","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jie Xia","raw_affiliation_strings":["Southwest Jiaotong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5149550358","display_name":"Liu Junyi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junyi Liu","raw_affiliation_strings":["Southwest Jiaotong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122200633","display_name":"Lei Yue","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lei Yue","raw_affiliation_strings":["Southwest Jiaotong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042458166","display_name":"Zhengqiang Cheng","orcid":"https://orcid.org/0000-0001-6193-9626","observed_orcids":["https://orcid.org/0000-0001-6193-9626"]},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhengqiang Cheng","raw_affiliation_strings":["Southwest Jiaotong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Southwest Jiaotong University","institution_ids":["https://openalex.org/I4800084"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5161005644"],"corresponding_institution_ids":["https://openalex.org/I4800084"],"apc_list":{"value":2825,"currency":"AUD","value_usd":2070},"apc_paid":{"value":2825,"currency":"AUD","value_usd":2070},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"21","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10707","display_name":"Cellular and Composite Structures","score":0.9878000020980835,"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"}},"topics":[{"id":"https://openalex.org/T10707","display_name":"Cellular and Composite Structures","score":0.9878000020980835,"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"}},{"id":"https://openalex.org/T11737","display_name":"Advanced Materials and Mechanics","score":0.010900000110268593,"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"}},{"id":"https://openalex.org/T11115","display_name":"Topology Optimization in Engineering","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/triply-periodic-minimal-surfaces","display_name":"triply periodic minimal surfaces","score":0.9789999723434448},{"id":"https://openalex.org/keywords/metamaterials","display_name":"metamaterials","score":0.7710000276565552},{"id":"https://openalex.org/keywords/gyroid","display_name":"gyroid","score":0.5730000138282776},{"id":"https://openalex.org/keywords/primitive-structure","display_name":"primitive structure","score":0.7680000066757202},{"id":"https://openalex.org/keywords/plateau-stress","display_name":"plateau stress","score":0.8769999742507935},{"id":"https://openalex.org/keywords/specific-energy-absorption","display_name":"specific energy absorption","score":0.9070000052452087},{"id":"https://openalex.org/keywords/load-transfer","display_name":"load transfer","score":0.515999972820282},{"id":"https://openalex.org/keywords/additive-manufacturing","display_name":"additive manufacturing","score":0.5239999890327454}],"concepts":[{"id":"https://openalex.org/C110367647","wikidata":"https://www.wikidata.org/wiki/Q497166","display_name":"Metamaterial","level":2,"score":0.7774999737739563},{"id":"https://openalex.org/C2779372316","wikidata":"https://www.wikidata.org/wiki/Q569057","display_name":"Stiffness","level":2,"score":0.6596999764442444},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.6345000267028809},{"id":"https://openalex.org/C207003234","wikidata":"https://www.wikidata.org/wiki/Q5625489","display_name":"Gyroid","level":4,"score":0.5866000056266785},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.5740000009536743},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5382000207901001},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.5378000140190125},{"id":"https://openalex.org/C204366326","wikidata":"https://www.wikidata.org/wiki/Q3027650","display_name":"Deformation (meteorology)","level":2,"score":0.5346999764442444},{"id":"https://openalex.org/C135628077","wikidata":"https://www.wikidata.org/wiki/Q220184","display_name":"Finite element method","level":2,"score":0.4959999918937683},{"id":"https://openalex.org/C189216461","wikidata":"https://www.wikidata.org/wiki/Q2443456","display_name":"Topology optimization","level":3,"score":0.4609000086784363},{"id":"https://openalex.org/C79772673","wikidata":"https://www.wikidata.org/wiki/Q5156643","display_name":"Compliant mechanism","level":3,"score":0.4318999946117401},{"id":"https://openalex.org/C89611455","wikidata":"https://www.wikidata.org/wiki/Q6804646","display_name":"Mechanism (biology)","level":2,"score":0.42570000886917114},{"id":"https://openalex.org/C207821765","wikidata":"https://www.wikidata.org/wiki/Q405372","display_name":"Instability","level":2,"score":0.41019999980926514},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.3882000148296356},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.38119998574256897},{"id":"https://openalex.org/C208081375","wikidata":"https://www.wikidata.org/wiki/Q274502","display_name":"Degrees of freedom (physics and chemistry)","level":2,"score":0.3774999976158142},{"id":"https://openalex.org/C2776196297","wikidata":"https://www.wikidata.org/wiki/Q17138781","display_name":"Twist","level":2,"score":0.37700000405311584},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.36399999260902405},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.3271999955177307},{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.30720001459121704},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.30239999294281006},{"id":"https://openalex.org/C155673373","wikidata":"https://www.wikidata.org/wiki/Q1648886","display_name":"Structural stability","level":2,"score":0.2921999990940094},{"id":"https://openalex.org/C2778530040","wikidata":"https://www.wikidata.org/wiki/Q1937315","display_name":"Helix (gastropod)","level":3,"score":0.2761000096797943},{"id":"https://openalex.org/C105341887","wikidata":"https://www.wikidata.org/wiki/Q1307987","display_name":"Suspension (topology)","level":3,"score":0.2702000141143799},{"id":"https://openalex.org/C107240024","wikidata":"https://www.wikidata.org/wiki/Q184550","display_name":"Mechanical energy","level":3,"score":0.263700008392334},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.26100000739097595},{"id":"https://openalex.org/C2778374746","wikidata":"https://www.wikidata.org/wiki/Q1140059","display_name":"Crimp","level":2,"score":0.25859999656677246},{"id":"https://openalex.org/C88282795","wikidata":"https://www.wikidata.org/wiki/Q2448108","display_name":"Structural system","level":2,"score":0.257999986410141}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1080/17452759.2026.2752621","doi":"https://doi.org/10.1080/17452759.2026.2752621","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17452759.2026.2752621","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17452759.2026.2752621?needAccess=true","source":{"id":"https://openalex.org/S152936027","display_name":"Virtual and Physical Prototyping","issn_l":"1745-2759","issn":["1745-2759","1745-2767"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Virtual and Physical Prototyping","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:27cc686878674d62abf2c5ccc7cbea9d","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/27cc686878674d62abf2c5ccc7cbea9d","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Virtual and Physical Prototyping, Vol 21, Iss 1 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1080/17452759.2026.2752621","doi":"https://doi.org/10.1080/17452759.2026.2752621","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17452759.2026.2752621","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17452759.2026.2752621?needAccess=true","source":{"id":"https://openalex.org/S152936027","display_name":"Virtual and Physical Prototyping","issn_l":"1745-2759","issn":["1745-2759","1745-2767"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","oarl","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Virtual and Physical Prototyping","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G2099615766","display_name":null,"funder_award_id":"12393782","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6911594120","display_name":null,"funder_award_id":"2025NSFTD0002","funder_id":"https://openalex.org/F4320329861","funder_display_name":"Natural Science Foundation of Sichuan Province"},{"id":"https://openalex.org/G7379600769","display_name":null,"funder_award_id":"2026NSFSCZY0122","funder_id":"https://openalex.org/F4320329861","funder_display_name":"Natural Science Foundation of Sichuan Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320329861","display_name":"Natural Science Foundation of Sichuan Province","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7225401299.pdf","grobid_xml":"https://content.openalex.org/works/W7225401299.grobid-xml"},"referenced_works_count":75,"referenced_works":["https://openalex.org/W2891254673","https://openalex.org/W3096231637","https://openalex.org/W3163331940","https://openalex.org/W3194726778","https://openalex.org/W4210407441","https://openalex.org/W4220660116","https://openalex.org/W4281258222","https://openalex.org/W4293229391","https://openalex.org/W4307905405","https://openalex.org/W4323035413","https://openalex.org/W4323830185","https://openalex.org/W4385389304","https://openalex.org/W4385847551","https://openalex.org/W4387387938","https://openalex.org/W4387767311","https://openalex.org/W4387842338","https://openalex.org/W4391998514","https://openalex.org/W4392660621","https://openalex.org/W4394580654","https://openalex.org/W4394615103","https://openalex.org/W4396659544","https://openalex.org/W4399567053","https://openalex.org/W4401683977","https://openalex.org/W4401971263","https://openalex.org/W4402532500","https://openalex.org/W4402828727","https://openalex.org/W4402875638","https://openalex.org/W4404876505","https://openalex.org/W4405383535","https://openalex.org/W4405428292","https://openalex.org/W4406602503","https://openalex.org/W4406629728","https://openalex.org/W4406741543","https://openalex.org/W4407021277","https://openalex.org/W4408536055","https://openalex.org/W4408980514","https://openalex.org/W4409351984","https://openalex.org/W4409413193","https://openalex.org/W4409572217","https://openalex.org/W4409590073","https://openalex.org/W4411235690","https://openalex.org/W4411403335","https://openalex.org/W4411687072","https://openalex.org/W4412457682","https://openalex.org/W4412545200","https://openalex.org/W4412711192","https://openalex.org/W4412867470","https://openalex.org/W4413100611","https://openalex.org/W4413292383","https://openalex.org/W4414048730","https://openalex.org/W4414922726","https://openalex.org/W4415420945","https://openalex.org/W4415827549","https://openalex.org/W4416566387","https://openalex.org/W4417124911","https://openalex.org/W7114998573","https://openalex.org/W7119199970","https://openalex.org/W7119536266","https://openalex.org/W7124168931","https://openalex.org/W7125982683","https://openalex.org/W7127654830","https://openalex.org/W7128051656","https://openalex.org/W7128496336","https://openalex.org/W7128741082","https://openalex.org/W7131304818","https://openalex.org/W7133118994","https://openalex.org/W7133184262","https://openalex.org/W7134239834","https://openalex.org/W7150812475","https://openalex.org/W7151352210","https://openalex.org/W7160715627","https://openalex.org/W7163016082","https://openalex.org/W7166063363","https://openalex.org/W7167020938","https://openalex.org/W7171637102"],"related_works":["https://openalex.org/W7166063363","https://openalex.org/W7203965256","https://openalex.org/W4404716577","https://openalex.org/W4412793382","https://openalex.org/W3173914617","https://openalex.org/W7214272743","https://openalex.org/W7119199970","https://openalex.org/W4386366387","https://openalex.org/W7171677980","https://openalex.org/W2962216334"],"abstract_inverted_index":{"Triply":[0],"Periodic":[1],"Minimal":[2],"Surfaces":[3],"(TPMS)":[4],"are":[5,130],"increasingly":[6],"exploited":[7],"in":[8,157],"additively":[9],"manufactured":[10],"metamaterials":[11],"due":[12,154],"to":[13,42,133,155],"their":[14],"smooth,":[15],"continuous":[16,32,40],"topologies":[17],"that":[18,30],"enable":[19],"unusual":[20],"mechanical":[21,138,179],"behaviours.":[22],"This":[23],"paper":[24],"proposes":[25],"a":[26,44,134],"graded-twist":[27,174],"TPMS":[28,175],"structure":[29,119,145],"undergoes":[31],"rotation":[33],"along":[34],"the":[35,57,74,80,83,95,107,116,118,121,137,143,151,160,166],"height":[36],"direction,":[37],"leveraging":[38],"its":[39],"topology":[41],"introduce":[43],"spatial":[45,87],"gradient":[46],"while":[47],"preserving":[48],"structural":[49,192],"integrity.":[50],"Through":[51],"experiments":[52],"and":[53,70,72,89,111,165,190],"finite":[54],"element":[55],"simulations,":[56],"compression\u2013torsion":[58,75],"coupling":[59,76],"behaviour":[60],"is":[61,146,163,169],"systematically":[62],"investigated,":[63],"revealing":[64],"two":[65],"deformation":[66,96],"mechanisms,":[67],"namely":[68],"twist-locking":[69,81],"twist-release,":[71],"defining":[73],"threshold":[77],"(CTCT).":[78],"In":[79],"region,":[82,123],"graded":[84],"twist":[85],"enhances":[86],"constraints":[88],"optimises":[90],"load":[91],"transfer":[92],"paths,":[93],"transforming":[94],"from":[97],"layer-by-layer":[98],"instability":[99],"into":[100],"globally":[101],"coordinated":[102],"deformation,":[103],"thereby":[104],"synchronously":[105],"improving":[106],"stiffness,":[108],"plateau":[109],"stress,":[110],"specific":[112],"energy":[113],"absorption.":[114],"Beyond":[115],"CTCT,":[117],"enters":[120],"twist-release":[122],"where":[124],"in-plane":[125],"rotational":[126],"degrees":[127],"of":[128,136,142],"freedom":[129],"activated,":[131],"leading":[132],"degradation":[135],"properties.":[139],"The":[140],"CTCT":[141,162],"Primitive":[144],"approximately":[147],"60\u00b0,":[148],"whereas":[149],"for":[150,188],"Gyroid":[152],"structure,":[153],"differences":[156],"surface":[158],"connectivity,":[159],"effective":[161],"lower":[164],"strengthening":[167],"window":[168],"narrower.":[170],"These":[171],"mechanisms":[172],"endow":[173],"structures":[176],"with":[177],"programmable":[178],"responses":[180],"based":[181],"on":[182],"geometric":[183],"parameters,":[184],"offering":[185],"new":[186],"strategies":[187],"multifunctional":[189],"intelligent":[191],"design.":[193]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-11-07T00:00:00"}