UNIVERSITY OF KERALA - College of Engineering, Trivandrum

08.705.4 Elective-III STRUCTURAL ANALYSIS FOR
DYNAMIC LOADS
L T P/D Cr
3 1 0 4
Review: Dynamic Systems - parameters, Single degree of freedom (SDOF) systems, Equation of motion,
Natural frequency, Free and forced vibration.
Module I
SDOF system subjected to harmonic loading - steady state amplitude, Dynamic magnification factor,
Resonance.
Impulse response function, Response of SDOF system subjected to general dynamic loading – Duhamel
integral, Response of SDOF system to rectangular and triangular loads.
SDOF system subjected to support motion, Vibration isolation, Transmissibility.
Module II
Multi-degree of freedom (MDOF) systems, Lumped mass systems, Shear building frames, Equation of motion
of MDOF systems, Natural frequencies and mode shapes, Orthogonality of mode shapes, Free and forced
vibration analysis - Mode superposition method.
Module II
Systems with distributed parameters – equation of motion for beam flexure (elementary case), Natural
frequencies and mode shapes of simply supported beams.
Earthquake analysis – response spectrum, Response spectrum analysis of MDOF system subjected to support
motion.
Calculation of design lateral forces due to earthquake – IS code method (IS:1893-2002).
References:
1. M. Mukhopadyay, Structural Dynamics - Vibrations & Systems, Ane Books India, New Delhi.
2. R.W. Clough and J. Penzien, Dynamics of Structures, McGraw-Hill Inc., New York.
3. Mario Paz, Structural Dynamics - Theory and Computation, CBC Publishers and Distributors, New
Delhi.
4. A.K. Chopra, Dynamics of Structures- Theory and Applications to Earthquake Engineering, Prentice
Hall of India Pvt. Ltd., New Delhi
5. J.W. Smith, Vibration of Structures, Chapman and Hall, London.
6. IS:1893-2002, Criteria for earthquake Resistant Design of structures.
Question Paper: Duration: 3 hours
The Question paper contains Part A and Part B.
Part A carries 8 compulsory questions (short answer questions) covering the entire syllabus and is for 40 marks.
Part B is for 60 marks. There will be two questions from each module. The candidate has to answer one
question out of two.
Note: IS:1893-2002 is permitted in the examination hall. No others charts, tables and codes are permitted. If
necessary relevant data shall be given along with the question paper by the question paper setter.
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