{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,3]],"date-time":"2022-04-03T21:02:58Z","timestamp":1649019778502},"reference-count":14,"publisher":"World Scientific Pub Co Pte Lt","issue":"05","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11771083"],"award-info":[{"award-number":["11771083"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11701197"],"award-info":[{"award-number":["11701197"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11701196"],"award-info":[{"award-number":["11701196"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Model. Simul. Sci. Comput."],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:p> In this paper, based on the Lagrange Multiplier approach in time and the Fourier-spectral scheme for space, we propose efficient numerical algorithms to solve the phase field crystal equation. The numerical schemes are unconditionally energy stable based on the original energy and do not need the lower bound hypothesis of the nonlinear free energy potential. The unconditional energy stability of the three semi-discrete schemes is proven. Several numerical simulations in 2D and 3D are demonstrated to verify the accuracy and efficiency of our proposed schemes. <\/jats:p>","DOI":"10.1142\/s1793962321500422","type":"journal-article","created":{"date-parts":[[2021,4,19]],"date-time":"2021-04-19T07:56:43Z","timestamp":1618819003000},"page":"2150042","source":"Crossref","is-referenced-by-count":0,"title":["Efficient numerical algorithms for the phase field crystal equation"],"prefix":"10.1142","volume":"12","author":[{"given":"Qingqu","family":"Zhuang","sequence":"first","affiliation":[{"name":"Fujian Province University Key Laboratory of Computation Science, School of Mathematical Sciences, Huaqiao University, Quanzhou 362021, P. R. China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shuying","family":"Zhai","sequence":"additional","affiliation":[{"name":"Fujian Province University Key Laboratory of Computation Science, School of Mathematical Sciences, Huaqiao University, Quanzhou 362021, P. R. 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