{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,26]],"date-time":"2025-11-26T16:48:30Z","timestamp":1764175710656,"version":"3.40.5"},"reference-count":34,"publisher":"Walter de Gruyter GmbH","issue":"2","funder":[{"DOI":"10.13039\/501100012166","name":"National Key Research and Development Program of China","doi-asserted-by":"publisher","award":["2020 YFA 0713500"],"award-info":[{"award-number":["2020 YFA 0713500"]}],"id":[{"id":"10.13039\/501100012166","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11971410","12071350","12331015"],"award-info":[{"award-number":["11971410","12071350","12331015"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,4,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The P2 BDM H-div finite element is enriched by five <jats:inline-formula id=\"j_cmam-2024-0060_ineq_9999\">\n                     <jats:alternatives>\n                        <m:math xmlns:m=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                           <m:msub>\n                              <m:mi>P<\/m:mi>\n                              <m:mn>5<\/m:mn>\n                           <\/m:msub>\n                        <\/m:math>\n                        <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/j_cmam-2024-0060_eq_0257.png\"\/>\n                        <jats:tex-math>P_{5}<\/jats:tex-math>\n                     <\/jats:alternatives>\n                  <\/jats:inline-formula> divergence-free bubbles on each triangle. The resulting finite element remains H-div and is also H-curl nonconforming. Thus the new finite element combined with the discontinuous <jats:inline-formula id=\"j_cmam-2024-0060_ineq_9998\">\n                     <jats:alternatives>\n                        <m:math xmlns:m=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                           <m:msub>\n                              <m:mi>P<\/m:mi>\n                              <m:mn>1<\/m:mn>\n                           <\/m:msub>\n                        <\/m:math>\n                        <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/j_cmam-2024-0060_eq_0255.png\"\/>\n                        <jats:tex-math>P_{1}<\/jats:tex-math>\n                     <\/jats:alternatives>\n                  <\/jats:inline-formula> element for pressure, is stabilizer-free and still divergence-free in solving the Stokes equations on triangular meshes. The stabilization can also be done by three, four, or six <jats:inline-formula id=\"j_cmam-2024-0060_ineq_9997\">\n                     <jats:alternatives>\n                        <m:math xmlns:m=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                           <m:msub>\n                              <m:mi>P<\/m:mi>\n                              <m:mn>5<\/m:mn>\n                           <\/m:msub>\n                        <\/m:math>\n                        <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/j_cmam-2024-0060_eq_0257.png\"\/>\n                        <jats:tex-math>P_{5}<\/jats:tex-math>\n                     <\/jats:alternatives>\n                  <\/jats:inline-formula> divergence-free bubble-enrichment each triangle, shown both in theory and in computation. Numerical tests show the advantage of the divergence-free element over the <jats:inline-formula id=\"j_cmam-2024-0060_ineq_9996\">\n                     <jats:alternatives>\n                        <m:math xmlns:m=\"http:\/\/www.w3.org\/1998\/Math\/MathML\">\n                           <m:msub>\n                              <m:mi>P<\/m:mi>\n                              <m:mn>2<\/m:mn>\n                           <\/m:msub>\n                        <\/m:math>\n                        <jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/j_cmam-2024-0060_eq_0256.png\"\/>\n                        <jats:tex-math>P_{2}<\/jats:tex-math>\n                     <\/jats:alternatives>\n                  <\/jats:inline-formula> Taylor\u2013Hood finite element.<\/jats:p>","DOI":"10.1515\/cmam-2024-0060","type":"journal-article","created":{"date-parts":[[2024,10,1]],"date-time":"2024-10-01T17:53:13Z","timestamp":1727805193000},"page":"459-473","source":"Crossref","is-referenced-by-count":2,"title":["A <i>P<\/i>\n                  <sub>2<\/sub> H-Div-Nonconforming-H-Curl Finite Element for the Stokes Equations on Triangular Meshes"],"prefix":"10.1515","volume":"25","author":[{"given":"Yunqing","family":"Huang","sequence":"first","affiliation":[{"name":"School of Mathematics and Computational Science , Xiangtan University , Xiangtan , Hunan 411105 , P. R. China"}]},{"given":"Xuejun","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Mathematical Science , Tongji University ; and Key Laboratory of Intelligent Computing and Applications (Ministry of Education), Tongji University , Shanghai 200092 , P. R. China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1114-4179","authenticated-orcid":false,"given":"Shangyou","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Mathematical Sciences , University of Delaware , Newark , DE 19716 , USA"}]}],"member":"374","published-online":{"date-parts":[[2024,10,2]]},"reference":[{"key":"2025032910202893871_j_cmam-2024-0060_ref_001","unstructured":"D. N.  Arnold and J.  Qin,\nQuadratic velocity\/linear pressure Stokes elements,\nAdvances in Computer Methods for Partial Differential Equations VII, (1992)."},{"key":"2025032910202893871_j_cmam-2024-0060_ref_002","doi-asserted-by":"crossref","unstructured":"C.  Bacuta, P. S.  Vassilevski and S.  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