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The course begins with an overview of the importance of modal analysis in aerospace engineering and its relevance to airplane design, performance, and safety. Students will learn about the key concepts of modal analysis, including mode shapes, natural frequencies, damping, and modal participation factors.
The wing is uniform configuration along its length and its cross sectional area is defined to be a straight line and a spline as shown. It is held fixed to the body of the airplane on one end and hangs freely at the other. The objective of the problem is to find the wing natural frequency and mode shapes.
Approach and assumptions
The side of the wing connected to the plane is completely fixed in all degrees of freedom.
The wing is solid and material properties are constant and isotropic.
Solid modeling is used to generate a 2 D model of the cross-section of the wing.
Create a reasonable mesh and extrude the cross-section into a 3D solid model which will automatically be meshed.
Young Modulus 38 GPa
Poisson ratio, 0.3
This course delves into the fascinating field of modal analysis applied specifically to airplane wings. Modal analysis is a fundamental technique used in engineering to study the dynamic behavior of structures under various conditions. In this course, students will explore the principles, methods, and applications of modal analysis as they relate to airplane wings.
Industry domains :
Aerospace
Engineering Disciplines :
Mechanical
1
Geomtry And Modelling :
Part-01
2
Meshing and Nodal Analysis :
Part-02
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