목차

1. 서 론
1.1 연구배경 ····································································································· 1
1.2 연구동향 및 목적 ····················································································· 2
2. 와우의 기능 및 기하구조
2.1 와우의 구조 및 기능 ················································································· 4
2.1.1 와우의 구조 ························································································ 4
2.1.2 와우의 기능 ························································································ 5
2.2 와우의 기하 모델링 ··············································································· 6
2.2.1 직선형태의 단순화 기하 모델링 ······················································ 6
2.2.2 나선형 와우 모델················································································ 9
3. 와우의 유한요소 해석모델
3.1 유체-구조 연성해석················································································· 12
3.2 기저막의 횡등방성 모델링 ·····································································14
3.2.1 등방성 및 횡등방성 정의 ································································ 14
3.2.2 기저막 횡등방성 모델링·································································· 15
3.3 유한요소모델 물성 값 ········································································· 17
3.4 경계조건 및 하중 ················································································· 18
3.5 유한요소 분할 ······················································································· 18
4. 해석 결과 및 고찰
4.1 와우의 동응답 해석················································································· 20
4.2 해석모델의 검증······················································································· 20
4.3 주파수 응답의 고찰················································································· 26
4.3.1 기저막의 운동···················································································· 26
4.3.2 와우 통로의 압력 응답···································································· 29
4.3.3 청력손실구간의 운동특성 ································································ 31
5. 결론 ··················································································································· 35