Dr. Sarmila Sahoo received her Bachelor of Engineering (Civil Engineering) from Bengal Engineering College (D.U.), Shibpur (presently, Indian Institute of Engineering Science and Technology, Shibpur), Master of Civil Engineering (Structural Engineering) from Jadavpur University and Doctor of Philosophy (Engineering) from Jadavpur University. A national scholarship holder throughout career, she was the recipient of GATE fellowship from MHRD and Senior Research Fellowship from Council of Scientific and Industrial Research, Govt. of India. She has worked in Design and Development Unit at Conveyor and Ropeway Services Pvt. Ltd. She has earlier taught Civil Engineering at Meghnad Saha Institute of Technology, Kolkata. Presently she is working as Associate Professor of Civil Engineering at Heritage Institute of Technology, Kolkata. Her research interests are finite elements method, vibration of plates and shells, composite materials. She is actively engaged in research and currently supervising a number of research students for their doctoral thesis. She has published over 40 research articles in international journals and conference proceedings. She is associated with the editorial and review board of a number of international journals. She is a member of the International Association of Engineers.

• Chapter 1. Fundamental Consideration.- Chapter 2. Stiffened Cylindrical Shell with Cutout.- Chapter 3. Stiffened Hypar Shell with Cutout.- Chapter 4. Stiffened Conoidal Shell with Cutout.- Chapter 5. Stiffened Spherical Shell with Cutout.- Chapter 6. Stiffened Saddle Shell with Cutout.- Chapter 7. Stiffened Hyperbolic Paraboloid Shell with Cutout.- Chapter 8. Stiffened Elliptic Paraboloid Shell with Cutout.

Dr. Sarmila Sahoo received her Bachelor of Engineering (Civil Engineering) from Bengal Engineering College (D.U.), Shibpur (presently, Indian Institute of Engineering Science and Technology, Shibpur), Master of Civil Engineering (Structural Engineering) from Jadavpur University and Doctor of Philosophy (Engineering) from Jadavpur University. A national scholarship holder throughout career, she was the recipient of GATE fellowship from MHRD and Senior Research Fellowship from Council of Scientific and Industrial Research, Govt. of India. She has worked in Design and Development Unit at Conveyor and Ropeway Services Pvt. Ltd. She has earlier taught Civil Engineering at Meghnad Saha Institute of Technology, Kolkata. Presently she is working as Associate Professor of Civil Engineering at Heritage Institute of Technology, Kolkata. Her research interests are finite elements method, vibration of plates and shells, composite materials. She is actively engaged in research and currently supervising a number of research students for their doctoral thesis. She has published over 40 research articles in international journals and conference proceedings. She is associated with the editorial and review board of a number of international journals. She is a member of the International Association of Engineers.

• Chapter 1. Fundamental Consideration.- Chapter 2. Stiffened Cylindrical Shell with Cutout.- Chapter 3. Stiffened Hypar Shell with Cutout.- Chapter 4. Stiffened Conoidal Shell with Cutout.- Chapter 5. Stiffened Spherical Shell with Cutout.- Chapter 6. Stiffened Saddle Shell with Cutout.- Chapter 7. Stiffened Hyperbolic Paraboloid Shell with Cutout.- Chapter 8. Stiffened Elliptic Paraboloid Shell with Cutout.

Dr. Sarmila Sahoo received her Bachelor of Engineering (Civil Engineering) from Bengal Engineering College (D.U.), Shibpur (presently, Indian Institute of Engineering Science and Technology, Shibpur), Master of Civil Engineering (Structural Engineering) from Jadavpur University and Doctor of Philosophy (Engineering) from Jadavpur University. A national scholarship holder throughout career, she was the recipient of GATE fellowship from MHRD and Senior Research Fellowship from Council of Scientific and Industrial Research, Govt. of India. She has worked in Design and Development Unit at Conveyor and Ropeway Services Pvt. Ltd. She has earlier taught Civil Engineering at Meghnad Saha Institute of Technology, Kolkata. Presently she is working as Associate Professor of Civil Engineering at Heritage Institute of Technology, Kolkata. Her research interests are finite elements method, vibration of plates and shells, composite materials. She is actively engaged in research and currently supervising a number of research students for their doctoral thesis. She has published over 40 research articles in international journals and conference proceedings. She is associated with the editorial and review board of a number of international journals. She is a member of the International Association of Engineers.

• Chapter 1. Fundamental Consideration.- Chapter 2. Stiffened Cylindrical Shell with Cutout.- Chapter 3. Stiffened Hypar Shell with Cutout.- Chapter 4. Stiffened Conoidal Shell with Cutout.- Chapter 5. Stiffened Spherical Shell with Cutout.- Chapter 6. Stiffened Saddle Shell with Cutout.- Chapter 7. Stiffened Hyperbolic Paraboloid Shell with Cutout.- Chapter 8. Stiffened Elliptic Paraboloid Shell with Cutout.