摘要
Localmeshrefinementisoneofthekeystepsintheimplementationsofadaptivefiniteelementmethods.Thispaperpresentsaparallelalgorithmfordistributedmemoryparallelcomputersforadaptivelocalrefinementoftetrahedralmeshesusingbisection.ThisalgorithmisusedinPHG,ParallelHierarchicalGrid(http://lsec.cc.ac.cn/phg/),atoolboxunderactivedevelopmentforparalleladaptivefiniteelementsolutionsofpartialdifferentialequations.Thealgorithmproposedischaracterizedbyallowingsimultaneousrefinementofsubmeshestoarbitrarylevelsbeforesynchronizationbetweensubmeshesandwithouttheneedofacentralcoordinatorprocessformanagingnewvertices.Usingtheconceptofcanonicalrefinement,asimpleproofoftheindependenceoftheresultingmeshonthemeshpartitioningisgiven,whichisusefulinbetterunderstandingthebehaviourofthebisectioningrefinementprocedure.
出版日期
2009年01月11日（中国期刊网平台首次上网日期，不代表论文的发表时间）
