Preface; Contents; About the Author; Chapter 1: Fundamental Consideration; 1.1 Introduction; 1.2 Literature Review; 1.3 Mathematical Formulation; 1.3.1 Formulation for Shell; 1.3.1.1 Element Stiffness Matrix; 1.3.1.2 Element Mass Matrix; 1.3.2 Formulation for Stiffener; 1.3.3 Cutout Consideration; 1.3.4 Solution Procedure; 1.4 Validation Study; 1.5 Present Scope; 1.6 Closure; References; Chapter 2: Stiffened Cylindrical Shell with Cutout; 2.1 Introduction; 2.2 Problem; 2.3 Results and Discussion; 2.3.1 Free Vibration Behaviour of Shells with Concentric Cutouts

2.3.1.1 Effect of Cutout Size on Fundamental Frequency2.3.1.2 Effect of Boundary Conditions; 2.3.1.3 Mode Shape; 2.3.2 Effect of Eccentricity of Cutout Position; 2.3.2.1 Fundamental Frequency; 2.3.2.2 Mode Shape; 2.4 Closure; References; Chapter 3: Stiffened Hypar Shell with Cutout; 3.1 Introduction; 3.2 Problem; 3.3 Results and Discussion; 3.3.1 Free Vibration Behaviour of Shells with Concentric Cutouts; 3.3.1.1 Effect of Cutout Size on Fundamental Frequency; 3.3.1.2 Effect of Boundary Conditions on Fundamental Frequency; 3.3.1.3 Mode Shapes; 3.3.2 Effect of Eccentricity of Cutout Position

3.3.2.1 Fundamental Frequency3.3.2.2 Mode Shape; 3.4 Closure; References; Chapter 4: Stiffened Conoidal Shell with Cutout; 4.1 Introduction; 4.2 Problem; 4.3 Results and Discussion; 4.3.1 Free Vibration Behaviour of Shells with Concentric Cutouts; 4.3.1.1 Effect of Cutout Size on Fundamental Frequency; 4.3.1.2 Effect of Boundary Conditions on Fundamental Frequency; 4.3.1.3 Mode Shapes; 4.3.2 Effect of Eccentricity of Cutout Position; 4.3.2.1 Fundamental Frequency; 4.3.2.2 Mode Shape; 4.4 Closure; References; Chapter 5: Stiffened Spherical Shell with Cutout; 5.1 Introduction; 5.2 Problem

5.3 Results and Discussion5.3.1 Free Vibration Behaviour of Shells with Concentric Cutouts; 5.3.1.1 Effect of Cutout Size on Fundamental Frequency; 5.3.1.2 Effect of Boundary Conditions on Fundamental Frequency; 5.3.1.3 Mode Shape; 5.3.2 Effect of Eccentricity of Cutout Position; 5.3.2.1 Fundamental Frequency; 5.3.2.2 Mode Shape; 5.4 Closure; References; Chapter 6: Stiffened Saddle Shell with Cutout; 6.1 Introduction; 6.2 Problem; 6.3 Results and Discussion; 6.3.1 Free Vibration Behaviour of Shells with Concentric Cutouts; 6.3.1.1 Effect of Cutout Size on Fundamental Frequency

6.3.1.2 Effect of Boundary Conditions on Fundamental Frequency6.3.1.3 Mode Shape; 6.3.2 Effect of Eccentricity of Cutout Position; 6.3.2.1 Fundamental Frequency; 6.3.2.2 Mode Shape; 6.4 Closure; References; Chapter 7: Stiffened Hyperbolic Paraboloid Shell with Cutout; 7.1 Introduction; 7.2 Problem; 7.3 Results and Discussion; 7.3.1 Free Vibration Behaviour of Shells with Concentric Cutouts; 7.3.1.1 Effect of Cutout Size on Fundamental Frequency; 7.3.1.2 Effect of Boundary Conditions on Fundamental Frequency; 7.3.1.3 Mode Shapes; 7.3.2 Effect of Eccentricity of Cutout Position