# Introductory Fluid Mechanics

#### Instructor

Wilfried Coenen

E-mail: wicoenen at ucsd dot edu

Room: EBUII 566

Office hours: Wednesdays 11:00am-12:00pm in room EBU2 370 and Fridays 2:00pm-3:00pm in room EBU2 370.

#### Teaching Assistant

Daniel Moreno

E-mail: dmorenob at eng dot ucsd dot edu

Room: EBUII 566

Problem session & office hours: Thursdays 9:00am-10:30am in room PCYNH 121

#### Homework

Homework will be assigned each Wednesday and collected the next Monday. Late homework will not be accepted under any circumstances.

Homework must follow specific requirements. See Homework Assignment Requirements.

Homework assignment 1 Solutions: solution_p1, solution_p2 (updated), solution_p3, solution_p4

Homework assignment 2 Solutions: solution_p1, solution_p2, solution_p3

Homework assignment 3 Solutions: solution_p1, solution_p2

Homework assignment 4 Solutions: solution p1 see Munson & Young § 6.6.2 and 6.6.3, solution_p2

#### Solutions to selected problem sessions

Problem session 1: solutions

Problem session 2: P1 and P2 problem statements and solutions, notes on hydraulic jump

Problem session 3: problems (1 -labelled Problem 4 in the document- 2 and 3) and solutions

Problem session 4: problems that I’d like to solve tomorrow (07/26/2017): P1 (Matlab code using complex potential) and P2.

Problem session 5: example problems on dimensional analysis

#### Classes and problem solving sessions

Classes: Mondays and Wednesdays 8:00am-10:50am in room CSB 001

Problem solving sessions: Thursdays 9:00am-10:30am in room PCYNH 121

#### Teaching materials

Munson, Young, and Okiishi’s Fundamentals of Fluid Mechanics

8th edition (2016). P.M. Gerhart, A.L. Gerhart & J.I. Hochstein.

Class notes on the introduction

Class notes on fluid statics

Class notes on the conservation equations in integral form

Class notes on kinematics

Class notes on the Navier-Stokes equations

Class notes on inviscid flow

Class notes on dimensional analysis

Matlab demo (kinematics.m) on kinematics

Another Matlab demo, in this case for plotting streamlines

Formularium for midterm and final.

#### Course schedule

MON 07/03 Introduction (§ 1.1-1.10). Fluid statics (§ 2.1-2.3; 2.5-2.6).

WED 07/05 Fluid statics (§ 2.8-2.11). Reynolds transport theorem – control volumes (§ 4.3-4.4).

THU 07/06 Problems on fluid statics.

MON 07/10 Conservation of mass in integral form (§ 5.1). Conservation of momentum in integral form (§ 5.2).

WED 07/12 Conservation of energy in integral form (§ 5.3). Applications.

THU 07/13 Problems on the conservation equations in integral form.

MON 07/17 Differential analysis – Kinematics (§ 4.1-4.2, 6.1).

WED 07/19 Navier-Stokes equations (§ 6.2, 6.3, 6.8) – examples.

THU 07/20 Problems on kinematics and the Navier-Stokes equations.

MON 07/24 MIDTERM / Incompressible inviscid flow – Euler equations – Bernoulli equation (§ 6.4-6.5).

WED 07/26 Irrotational flow – Velocity potential – Potential flow (§ 6.6-6.7).

THU 07/27 Problems on irrotational flow.

MON 07/31 Dimensional analysis – Buckingham-Pi theorem. (§ 7.1-7.5). Problems.

WED 08/02 Dimensional analysis – Similarity (§ 7.6-7.9). Problems.

THU 08/03 Extra problems / solving doubts before the final.

FRI 08/04 FINAL

#### Grading

Homework: 20%

Midterm: 30%

Final: 50%

#### Academic/Professional Integrity

All students are expected to know their responsibilities and uphold the standards of academic honesty and engineering professionalism. Students are encouraged to discuss lecture and homework topics with each other to promote learning. However each student must do and submit their own work on all homework assignments and exams. Submitted work that is copied or taken from an unauthorized source (e.g. another student’s work) or performed using unauthorized resources (e.g. calculator programs or notes during exams) is considered cheating. Academic misconduct will have serious penalties and be reported to university administration. Refer to UCSD website for details: UCSD Policy on Integrity of Scholarship.

As Engineering students, it is expected that you operate in a professional manner; refer to National Society of Professional Engineers (NSPE) Code of Ethics for Engineers.