有限元方法的数学理论（第3版）

Thiseditioncontainsfournewsectionsonthefollowingtopics：theBDDCdomaindecompositionpreconditioner（Section7.8）,aconvergentadaptivealgorithm（Section9.5）,interiorpenaltymethods（Section10.5）andPoincare-FriedrichsinequalitiesforpiecewiseWp1functions（Section10.6）.Wehavemadeimprovementsthroughoutthetext,manyofwhichweresuggestedbycolleagues,towhomwearegrateful.Newexerciseshavebeenaddedandthelistofreferenceshasalsobeenexpandedandupdated.