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September 9, 2013

Dynamics of Structures; Lectures and ExercisesKul-49.3400 (5 cr) 2013

General

This course familiarizes students with the theory and analysis of experimental data for vibrations ofmachines and structures. First the fundamental

concepts of vibration are studied by evaluation of

vibrations of one degree of freedom systems. Later the

evaluation will be extended to cover vibrations of both

multi degree of freedom and continuous systems.

Lectures

The course lectures will be held on Wednesdays at

10:15 am - 1 pm in lecture room K1 326 by senior

university lecturer Kari Santaoja. The first lecture will

be held on September 11 and the last lecture will beheld on December 4 (or November 27). The content of

the lectures will be updated in Noppa during the

course.

Weekly homework assignments

There will be 10 rounds of weekly homework assignments. During the calculation hour the course

assistant Niko Siilin and the part-time course assistant Joonas Kiviranta will help students to start to solve

the problems of the weekly homework assignments. The calculation hour will be held on Fridays at 9:15-

11 am in the lecture room K1 201. On the Tuesdays following the calculation hour, the assistant Niko

Siilin will present the correct answers to the problems during the exercises at 12:15-2 pm in lecture roomK1 326. The correct solutions will be in Noppa after the exercises.

The students have to solve the problems by themselves and they must drop their solutions into the green

mailbox on the ground floor of building K3 (close to the office K3 330) before the exercises, i.e. on

Tuesdays before 12:00 am or give them to the assistant before the exercise. Worksheets will be available

in PDF-format in Noppa. The part-time assistant of the course will evaluate the solutions by the students

and will give 0-6 points for every round of assignments. Students earned points will be posted on Noppa.

The evaluated solutions will be available during the calculation hour.

The first set of solved problems of the weekly homework assignments has to be dropped into the green

mailbox not later than September 17 at noon or given to the assistant in the room K1 326.

Demonstration

Mr Kari Kantola will present a laboratory demonstration. Students have to do some preliminary

calculations before entering into the demonstration and prepare a report after the demonstration. Reports

will be given a rating from 1-6 points and will be added to the homework points as additional credit.

Taking part in the demonstration and writing a report are obligatory. More detailed information will be

given during the course.

Deviations from the normal time table

In the week starting on Monday October 21 there are no lectures, exercises or calculation hour.

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Prerequisites

Good knowledge of dynamics, material mechanics, mechanics or structural mechanics. The course

material covers all the information needed to pass the course. Therefore, some previous knowledge of the

topics mentioned above is adequate for passing this course with excellent marks.

Registration and announcements

Registration is done via WebOodi. Students who cannot use WebOodi can send an email to Kari Santaoja.

Announcements are made through Noppa. Please activate the RSS feed in Noppa by selecting News and

by clicking the text Course news RSS feed.

Passing the course

This course will be passed by satisfactorily solving the weekly homework assignments and passing the

final examination or two midterm examinations. Before entering the examination or midterm

examinations, students have to obtain acceptance of their demonstration report, solve the obligatory

weekly assignments by obtaining at least 40% of the maximum homework points altogether. This means

the entrance to the first midterm examination requires 0.4x5x6 = 12 points (rounds 1 to 5) and the entrance

to the second midterm examination requires 0.4x5x6 = 12 points (rounds 6 to 10). Entrance to theexamination requires 40% of the maximum points of both rounds 1-5 and 6-10. The homework points

beyond the minimum are reduced and added to the examination points so that the maximum points give

3 additional points for examination and 6 points for midterm examinations altogether. This is: 1 extra

homework point gives additional point for midterm exam. The demonstration report will earn1/6additional points beyond homework points. The maximum result in the examinations is 24 points. The

student has to pass the examination before additional points will be taken into account. Students who do

not pass this course before autumn 2014 when this course will be next be offered, have to solve new

homework and take part in a new demonstration.

The allowed material in the examinations is: stationery, MAOL (mathematical tables) and the course

formulae, which will be available in Noppa. The first midterm examination will be held on Saturday

October 26 at 10 am - 2 pm and the second midterm examination will be held on Tuesday December 17at 4-8 pm. The examination will be at the same time as the second midterm examination.

What to read for examination

Selected parts of the course book, solutions to the homework and what was presented the during lectures.

More updated and detailed information will be given before the examination. The problems to be solved

in the examination correspond to the concepts of those in the weekly homework.

Course material

D.J. Inman, Engineering Vibration, 3rd edition, Prentice-Hall, 2008. The lecture notes will be availablein PDF format in Noppa.

People responsible for the course

name office phone appointment e-mail

Lecturer Kari Santaoja K3 205 050 432 6623 Mo 1-2 pm Kari.Santaoja@aalto.fi

Lab. manager Kari Kantola K3 210 050 430 0606 On request Kari.Kantola@aalto.fi

Assistant Niko Siilin K3 206 On request Niko.Siilin@aalto.fi

Part-time assis. Joonas Kiviranta K3 206 Calcul. hour Joonas.Kiviranta@aalto.fi

Secretary Seija Latvala K3 233c 050 560 9083 Office hours Seija.Latvala@aalto.fi

Dynamics of Structures Leaflet 2013.wpd/Santaoja