메뉴 건너뛰기
소속 기관 / 학교 인증
인증하면 논문, 학술자료 등을  무료로 열람할 수 있어요.
한국대학교, 누리자동차, 시립도서관 등 나의 기관을 확인해보세요
(국내 대학 90% 이상 구독 중)
고객센터 ENG
주제분류

논문 기본 정보

저자정보
(Hansung University)
저널정보
한국소음진동공학회 한국소음진동공학회논문집 한국소음진동공학회논문집 제34권 제6호(통권 281호)
오류 신고하기

피인용 1

검색

    초록·키워드

    The NDIF method, developed by the author, exhibits a significant limitation in that low-order eigenvalues cannot be accurately obtained as the number of nodes increases. Recent studies on membranes, acoustic cavities, and plates have introduced an ‘improved NDIF method’ that addresses this issue; however, further research is required to determine whether this method is applicable to concavely shaped membranes, which necessitate the use of the sub-domain method to divide the concave domain into several convex domains. In this paper, it is demonstrated that the aforementioned ‘improved NDIF method’ is not valid for concave membranes. A new NDIF method, specifically designed to be effective for concave membranes, is proposed. This new method was developed by first identifying the reasons for the invalidity of the improved NDIF method and then reconstructing the system matrix without reduction. To verify the accuracy and validity of the proposed method, example studies were conducted on a rectangular membrane with exact solutions and an arbitrarily shaped membrane featuring a deep groove.

    최근 본 자료 전체보기

      UCI(KEPA) : I410-151-25-02-091245269