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Sunday, October 21, 2012

AE 9312 AIRCRAFT STRUCTURES SYLLABUS | ANNA UNIVERSITY ME AERONAUTICAL ENGINEERING 1ST SEM SYLLABUS REGULATION 2009 2011 2012-2013

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AE 9312 AIRCRAFT STRUCTURES SYLLABUS | ANNA UNIVERSITY ME AERONAUTICAL ENGINEERING 1ST SEM SYLLABUS REGULATION 2009 2011 2012-2013 BELOW IS THE ANNA UNIVERSITY FIRST SEMESTER ME AERONAUTICAL ENGINEERING DEPARTMENT SYLLABUS, TEXTBOOKS, REFERENCE BOOKS,EXAM PORTIONS,QUESTION BANK,PREVIOUS YEAR QUESTION PAPERS,MODEL QUESTION PAPERS, CLASS NOTES, IMPORTANT 2 MARKS, 8 MARKS, 16 MARKS TOPICS. IT IS APPLICABLE FOR ALL STUDENTS ADMITTED IN THE YEAR 2011 2012-2013 (ANNA UNIVERSITY CHENNAI,TRICHY,MADURAI, TIRUNELVELI,COIMBATORE), 2009 REGULATION OF ANNA UNIVERSITY CHENNAI AND STUDENTS ADMITTED IN ANNA UNIVERSITY CHENNAI DURING 2009

AE 9312 AIRCRAFT STRUCTURES L T P C
3 1 0 4
OBJECTIVE
To study different types of beams and columns subjected to various types of loading and
support conditions with particular emphasis on aircraft structural components.
UNIT I BENDING OF BEAMS 12
Elementary theory of bending - Introduction to semi-monocoque structures - Bredt-Batho
theory - Stresses in beams of symmetrical and unsymmetrical sections -Box beams –
General formula for bending stresses- principal axes method – Neutral axis method.
UNIT II SHEAR FLOW IN OPEN SECTIONS 9
Shear stresses in beams – Shear flow in stiffened panels - Shear flow in thin walled
open tubes – Shear centre – Shear flow in open sections with stiffeners.
UNIT III SHEAR FLOW IN CLOSED SECTIONS 15
Shear flow in closed sections with stiffeners– Angle of twist - Shear flow in two flange
and three flange box beams – Shear centre - Shear flow in thin walled closed tubes -
Torsional shear flow in multi cell tubes - Flexural shear flow in multi cell stiffened
structures.
5
UNIT IV STABILITY PROBLEMS 12
Stability problems of thin walled structures– Buckling of sheets under compression,
shear, bending and combined loads - Crippling stresses by Needham’s and Gerard’s
methods–Sheet stiffener panels-Effective width, Inter rivet and sheet wrinkling failures-
Tension field web beams(Wagner’s).
UNIT V ANALYSIS OF AIRCRAFT STRUCTURAL COMPONENTS 12
Loads on Wings – Schrenk’s curve - Shear force, bending moment and torque
distribution along the span of the Wing. Loads on fuselage - Shear and bending moment
distribution along the length of the fuselage. Analysis of rings and frames.
L : 45, T : 15, TOTAL NUMBER OF PERIODS: 60
TEXT BOOKS
1. E.F. Bruhn, “Analysis and Design of Flight Vehicle Structures”, Tristate Offset Co.,
1980.
2. Megson, T.M.G; Aircraft Structures for Engineering Students, Edward Arnold,
1995.
REFERENCES
1. Peery, D.J. and Azar, J.J., Aircraft Structures, 2nd Edition, McGraw-Hill, New York,
1993.
2. Stephen P. Tinnoshenko & S.woinowsky Krieger, Theory of Plates and Shells, 2nd
Edition, McGraw-Hill, Singapore, 1990.
3. Rivello, R.M., Theory and Analysis of Flight structures, McGraw-Hill, N.Y., 1993

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