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The Geometrical Mode Analysis of an Elastically Suspended Rigid Body with Planes of Symmetry
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 Title & Authors
The Geometrical Mode Analysis of an Elastically Suspended Rigid Body with Planes of Symmetry
Dan, Byeong-Ju; Choe, Yong-Je;
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 Abstract
Vibration modes obtained from a modal analysis can be better explained from a screw theoretical standpoint. A vibration mode can be geometrically interpreted as a pure rotation about the vibration center in a plane and as the twisting motion on a screw in a three dimensional space. This paper, presents the method to diagonalize a spatial stiffness matrix by use of a parallel axis congruence transformation. It also describes that the stiffness matrix diagonalized by a congruence transformation, can have the planes of symmetry depending on the location of the center of elasticity. For a plane of symmetry, any vibration mode can be expressed by the axis of vibration. Analytical solutions for the axis of vibration has been derived.
 Keywords
Vibration Mode;Stiffness Matrix;Congruence Transformation;Center of Elasticity;Plane of Symmetry;
 Language
Korean
 Cited by
1.
탄성적으로 지지된 광디스크 드라이버의 진동모드와 주파수 응답의 기하적 해석,단병주;최용제;

대한기계학회논문집A, 2000. vol.24. 2, pp.362-369 crossref(new window)
2.
스캐닝 레이저 도플러 진동계를 이용한 모드 해석,강민식;

대한기계학회논문집A, 2000. vol.24. 10, pp.2560-2567 crossref(new window)
3.
대칭면을 갖는 강체 진동계의 진동모드에 대한 기하학적 해석,단병주;최용제;

대한기계학회논문집A, 2000. vol.24. 1, pp.110-117 crossref(new window)
4.
직교스프링들에 의해 지지되는 강체의 진동 설계,장선준;이준호;최용제;

대한기계학회논문집A, 2007. vol.31. 1, pp.97-104 crossref(new window)
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