| ORTHOGONAL PROJECllON OF THE DOMAIN BORNDARY OPERATOR FOR ELLIPITIC PROBLEM BY DOMAIN DECOMPLSITION |
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| 引用本文： | 石佩虎.ORTHOGONAL PROJECllON OF THE DOMAIN BORNDARY OPERATOR FOR ELLIPITIC PROBLEM BY DOMAIN DECOMPLSITION[J].东南大学学报,1995(1). |
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| 作者姓名： | 石佩虎 |
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| 摘 要： | ＯＲＴＨＯＧＯＮＡＬ ＰＲＯＪＥＣｌｌＯＮ ＯＦＴＨＥ ＤＯＭＡＩＮＢＯＲＮＤＡＲＹＯＰＥＲＡＴＯＲＦＯＲＥＬＬＩＰＩＴＩＣＰＲＯＢＬＥＭＢＹＤＯＭＡＩＮＤＥＣＯＭＰＬＳＩＴＩＯＮ（石佩虎）（ＤｅｐａｒｔｍｅｎｔｏｆＭａｔｈｅｎｉａｔｉｃｓａｎｄＭｅｃ?..
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ORTHOGONAL PROJECllON OF THE DOMAUVBOUNDanY OPERATOR FOR ELLIPllC PROBLEMBY DOMAIN DECOamOSITION |
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| Shi Peiliu.ORTHOGONAL PROJECllON OF THE DOMAUVBOUNDanY OPERATOR FOR ELLIPllC PROBLEMBY DOMAIN DECOamOSITION[J].Journal of Southeast University(English Edition),1995(1). |
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| Authors: | Shi Peiliu |
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| Institution: | Department of Matheniatics and Mechanics |
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| Abstract: | Some preconditionere for discretizations of elliptic beundary problenisare studied by J. H. Bramble , J. E. Pasciak and A. H. Schartz. In this paper, thediscrete A-harmonic functions W given in the papers written by the above men-tioned authore are partioned into WsP and Wss , where Wsr and WHs are orthog-onal. Then an optimal preconditioner is obtained- The results of numerical expori-ments illustrate the performance of the method. |
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| Keywords: | preconditioner discrete A-harmonic eisenvalues |
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