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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 85 - 92 (8page)
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탄성지반위에 놓인 S형상 점진기능재료 고차전단변형 판의 동적 불안정성에 대하여 연구하였다. 고차전단변형이론은 점진기능재료 판의 두께방향으로의 전단변형률과 전단응력의 곡선변화 효과를 고려할 수 있다. Mathieu-Hill 방정식의 형태로 유도된 지배방정식에서 Bolotin 방법을 이용하여 동적 불안정 영역을 결정하였다. 동적 불안정 영역의 경계는 동적 하중과 여기진동수와의 관계로 나타내었다. 고차전단변형이론과 탄성지반 효과가 S형상 점진기능재료 판의 동적 불안정성에 미치는 효과를 제시하였다. Winkler와 Pasternak탄성지반 매개변수의 관계를 수치해석 결과를 통하여 고찰하였다. 또한 정적 하중계수, 거듭제곱 지수 그리고 폭-두께비 등의 동적 불안정 영역에 대한 영향을 분석하였다. 본 연구의 결과를 검증하기 위해 참고문헌의 결과와 비교 분석하였다. 본 연구에서 제시한 이론적 발전과 수치결과들은 S형상 점진기능재료 구조물의 동적 불안정 해석을 위한 참고자료로 활용될 수 있을 것이다.
목차
등록된 정보가 없습니다.
참고문헌 (17)
참고문헌 신청
Bao, G. / 1995 / Multiple Cracking in Functionally Graded Ceramic/Metal Coatings / Int. J. Solids & Struct. 32 : 2853 ~ 2871
Bolotin, V.V. / 1964 / The Dynamic Stability of Elastic Systems / Holden-day
Bui, T. / 2011 / An Efficient Meshfree Method for Vibration Analysis of Laminated Composite plates / Comput. Mech 48 : 175 ~ 193
Chattopadhyay, A. / 2000 / Dynamic Instability of Composite Laminates using a Higher order Theory / Comput. & Struct. 77 : 453 ~ 460
Chi, S.H. / 2002 / Cracking in Sigmoid Functionally Graded Coating / J. Mech. 18 : 41 ~ 53
Bolotin, V.V. / 1964 / The Dynamic Stability of Elastic Systems / Holden-day
Bui, T. / 2011 / An Efficient Meshfree Method for Vibration Analysis of Laminated Composite plates / Comput. Mech 48 : 175 ~ 193
Chattopadhyay, A. / 2000 / Dynamic Instability of Composite Laminates using a Higher order Theory / Comput. & Struct. 77 : 453 ~ 460
Chi, S.H. / 2002 / Cracking in Sigmoid Functionally Graded Coating / J. Mech. 18 : 41 ~ 53
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