Richlik, György (2000) The inverse of differential operators and an extension of Trefftz's method. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 1 (2). pp. 179-189. ISSN 1586-2070
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Abstract
The purpose of the paper is to present an extension of Trefftz's idea. The essential of this method is to obtain lower bounds for eigenfrequencies of the elastic continuous structures. Let us suppose that we have good upper bounds that are sufficient in number and accuracy as well. This paper also contains a discussion of differential operators and their inverses or generalized inverses. A new example presents a technique for making generalized Green matrix.
| Item Type: | Article |
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| Uncontrolled Keywords: | Trefftz's method, inverse of differential operator, Moore Penrose generalized inverse of differential operator |
| Subjects: | Q Science / természettudomány > QA Mathematics / matematika |
| SWORD Depositor: | MTMT SWORD |
| Depositing User: | MTMT SWORD |
| Date Deposited: | 04 Jul 2025 09:09 |
| Last Modified: | 04 Jul 2025 09:09 |
| URI: | https://real.mtak.hu/id/eprint/220755 |
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