[Abaqus 03. 예제 - 보] 1D 외팔보 모드해석(cae,inp)
작성자 : kim2kie
(2023-02-01)
조회수 : 14791
[참조]
Abaqus 구조해석 - 고유진동수와 진동 모드 해석 (natural frequency and vibration mode), 2022
https://www.youtube.com/watch?v=TTBHanoKi_A
(1) Part
(2) Property
(3) Assembly
(4) Step
(5) Interaction
(6) Load
(7) Mesh
(8) Job
(9) Visualization
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[문제]
외팔보의 고유진동수와 모드형상을 구하라.
.단위: m, kg(자중은 무시), N
,
.이론해: 0.8224, 5.1545, 14.4341 Hz
(1) Part
.L = 10 m
(2) Property
.재료: rho=2700 kg/m^3, E=70GPa, nu=0.3
.단면: WxH = 0.1 x 0.1 m
.단면 할당(Assign Section)
.단면 방향(Assign Beam Orientation)
(3) Assembly
Part를 Instance로 만든다.
(4) Step
.Create Step: Linear Perturbation | Frequency
(5) Interaction
(6) Load
.Create Boundary Condition
(7) Mesh
.Seed Part Instance
.Mesh Part Instance
(8) Job
.Create Job
(9) Visualization
.Plot Contours on Deformed Shape
.View > Graphics Options : Viewport Background