유체에 잠긴 다공 원통형 쉘의 자유진동해석
Free Vibration Analysis of Perforated Shell Submerged in Fluid
1
조회
0
다운로드
2
인용
0
참고문헌
초록
물에 잠긴 다공 원통형 쉘의 경우 물에 잠긴 상태로 유한요소해석을 하기에는 거의 불가능하므로 등가물성치를 사용하여야 한다. 다공 평판의 경우 이에 대한 등가물성치를 ASME 코드에서 제시하고 있지만, 다공 원통형 쉘의 등가물성치에 대한 연구는 아직까지 수행된 적이 없다. 따라서 본 연구에서는 유한요소해석을 이용하여 다공 원통형 쉘의 동적 해석에 이용할 수 있는 등가물성치를 제안하였고 그 타당성을 검증하였다.
Abstract
For the perforated cylindrical shell submerged in fluid, it is almost impossible to develop a finite element model due to the necessity of the fine meshing of the shell and the fluid at the same time. This necessitates the use of solid shell with equivalent material properties. Unfortunately the effective elastic constants are not found in any references even though the ASME code is suggesting those for perforated plate. Therefore in this study the equivalent material properties of perforated shell are suggested by performing several finite element analyses with respect to the ligament efficiencies.
참고문헌 (8)
- "ANSYS Structural Analysis Guide" (2005), ANSYS, Inc
- "ASME Boiler and Pressure Vessel Code, Section III Rules for Construction of Nuclear Facility Components, Appendix A Stress Analysis Method, Article A-8000 Stresses in Perforated Flat Plates" (2004)
- "A Shifted Block Lanczos Algorithm for Solving Sparse Symmetric Generalized Eigenproblems SIAM Journal on Matrix Analysis and Applications", pp.228~272 (1994)
- "Modal analysis of cylindrical shell using a scale model of the core support barrel", 12(1), pp.15~27 (1999)
- "Modal analysis of coaxial shells coupled with fluid", 16(6), pp.655~674 (2003)
- "Free vibration of a circular cylindrical shell coupled with bounded compressible fluid", 217(2), pp.197~221 (1998)
- "Effective Elastic Constants for the Bending of Thin Perforated Plates with Triangular and Square Penetration Patterns", 95, pp.121~128 (1973)
- "Effective Elastic Constants for Thick Perforated Plates with Triangular and Square Penetration Patterns Journal of Engineering for Industry", pp.935~942 (1971)