{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,6]],"date-time":"2025-11-06T12:18:14Z","timestamp":1762431494813,"version":"3.37.3"},"reference-count":35,"publisher":"World Scientific Pub Co Pte Ltd","issue":"06","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Int. J. Model. Simul. Sci. Comput."],"published-print":{"date-parts":[[2018,12]]},"abstract":"<jats:p> By using nonuniform (geometric) grid network, a new high-order finite-difference compact scheme has been obtained for the numerical solution of three-space dimensions partial differential equations of elliptic type. Single cell discretization to the elliptic equation makes it easier to compute and exhibit stability of the numerical solutions. The monotone and irreducible property of the Jacobian matrix to the system of difference equations analyses the converging behavior of the numerical solution values. As an experiment, applications of the compact scheme to Schr\u00f6dinger equations, sine-Gordon equations, elliptic Allen\u2013Cahn equation and Poisson\u2019s equation have been presented with root mean squared errors of exact and approximate solution values. The results corroborate the reliability and efficiency of the scheme. <\/jats:p>","DOI":"10.1142\/s1793962318500538","type":"journal-article","created":{"date-parts":[[2018,8,13]],"date-time":"2018-08-13T05:37:21Z","timestamp":1534138641000},"page":"1850053","source":"Crossref","is-referenced-by-count":9,"title":["Geometric grid network and third-order compact scheme for solving nonlinear variable coefficients 3D elliptic PDEs"],"prefix":"10.1142","volume":"09","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7884-8640","authenticated-orcid":false,"given":"Navnit","family":"Jha","sequence":"first","affiliation":[{"name":"Department of Mathematics, South Asian University, Chanakyapuri, New Delhi 110070, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Venu","family":"Gopal","sequence":"additional","affiliation":[{"name":"The School of Mathematical Sciences, University of Science and Technology of China, Hefei, Anhui 230 026, P. R. 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