{"id":"https://openalex.org/A5033933237","orcid":null,"observed_orcids":[],"display_name":"Ki-Up Cha","raw_author_names":["K.\u2010U. Cha","Ki-Up Cha","Ki-up Cha","Kiup Cha"],"full_name":"Ki-Up Cha","works_count":29,"cited_by_count":204,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":7},"ids":{"openalex":"https://openalex.org/A5033933237","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I2801036362","ror":"https://ror.org/05fhe0r85","display_name":"Agency for Defense Development","country_code":"KR","type":"government","lineage":["https://openalex.org/I1327899338","https://openalex.org/I1344042128","https://openalex.org/I2801036362","https://openalex.org/I2801339556"]},"years":[2017,2016,2015,2012,2011,2009,2008,2007]}],"last_known_institutions":[{"id":"https://openalex.org/I2801036362","ror":"https://ror.org/05fhe0r85","display_name":"Agency for Defense Development","country_code":"KR","type":"government","lineage":["https://openalex.org/I1327899338","https://openalex.org/I1344042128","https://openalex.org/I2801036362","https://openalex.org/I2801339556"]}],"topics":[{"id":"https://openalex.org/T12106","display_name":"Surface Treatment and Residual Stress","count":12,"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/T14156","display_name":"Engineering Applied Research","count":9,"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"}},{"id":"https://openalex.org/T12581","display_name":"Engineering Structural Analysis Methods","count":8,"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/T13451","display_name":"Mechanical Engineering Research and Applications","count":5,"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/T11205","display_name":"Numerical methods in inverse problems","count":4,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12106","display_name":"Surface Treatment and Residual Stress","value":9.17e-05,"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/T12581","display_name":"Engineering Structural Analysis Methods","value":8.69e-05,"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/T12907","display_name":"Mechanical Engineering and Vibrations Research","value":2.89e-05,"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/T12699","display_name":"Electromagnetic Launch and Propulsion Technology","value":2.72e-05,"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/T14156","display_name":"Engineering Applied Research","value":2.67e-05,"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"}}],"x_concepts":[{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8147785663604736},{"id":"66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","score":0.6212207078933716},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.5925068259239197},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.572762668132782},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.4360584020614624}],"counts_by_year":[{"year":2007,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":3,"oa_works_count":1,"cited_by_count":11},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":12},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":4},{"year":2015,"works_count":2,"oa_works_count":2,"cited_by_count":10},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":14},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":13},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":21},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":5}],"display_name_alternatives":["K.\u2010U. Cha","Ki-Up Cha","Ki-up Cha","Kiup Cha"],"block_key":"k cha","works_api_url":"https://api.openalex.org/works?filter=author.id:A5033933237","updated_date":"2026-11-02T12:28:04","created_date":"2016-06-24T00:00:00"}