CEE 4225 Coastal Engineering Spring 2014
Homework 1 Due: Wednesday, January 22, 2014 5PM
1. Write a program in Matlab for solving the general dispersion relationship using the
Newton-Raphson method with inputs of depth in meters and period in seconds and
1/31/11 4:23 PM
C:\Documents and Settings\khaas\My Documents\class.\dispsolve.m
function [k,n]=dispsolve(T,h);
%Solve the linear dispersion relation for test case
% [k]=dispsolve(T,h);
%
% k = wave number (rad/m)
% T = wave period (s)
% h = water depth (m
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CEE 4225 Coastal Engineering Spring 2014
Homework 2 Due: Wednesday, February 5, 2014 5PM
1. Wave period 10 seconds. Wave normally incident on coast. Wave height 1.5 m at 10
m depth contour. Find wave height at 5 m depth contour.
2. Same conditions as prob
1/15/16 6:11 PM
C:\Users\kh181\Docume.\disp_comparison.m
%CEE 4225 HW 1, problem 1 Spring 2016
clear
%Part (a) Define parameters
h=[50];
T=4:.1:18;
om=2*pi./T;
g=9.81;
Lo=g*T.^2/2/pi;
%Solve using Newton and Raphson
for i=1:length(h)
for j=1:length(T)
k(i
Reading CEM Part III Chapter 1
HW 4 due Friday 3/11 5pm
Midterm Wednesday 3/16
Covers hydrodynamics
Example test posted
Extra Credit Survey will be posted in T-Square
Please fill it out by 5pm Wed
Sediments
Sources of Sand on beaches
- Erosion from headla
Reading: CEM Part 2 - Chapter 4 - Pages II-4-1 to II-4-4
HW 2 Due Friday 2/5 at 5pm
Upload a single PDF file
Power of Incoming Waves (shallow water approximation)
Why do waves break?
Waves become too steep to remain stable.
What causes waves to get steepe
1. (25 points) A house on a beach on the open coast is to be built on stilts such that the
bottom of the building is above the crest of the waves. Identify all the processes that
influence the water level that must be considered in this design. For each p
Midterm Instructions
I will provide the relevant wave forecasting curves and diffraction diagrams
You are responsible for providing any other chart or equation
You may use your book and any class notes, handwritten or from T-square
You may use a ruler, pe
A vertical pile (D=0.25 m) in 2 m of water depth is hit by a 12 second wave with a
height of 0.5 m. Find the total force under (a) the wave crest and (b) at the zerocrossing AFTER the crest passes.
You want to design a rubble mound breakwater in a water d
CEE 4225 Coastal Engineering Spring 2014
Homework 2 Due: Wednesday, February 5, 2014 5PM
1. Wave period 10 seconds. Wave normally incident on coast. Wave height 1.5 m at 10
m depth contour. Find wave height at 5 m depth contour.
2. Same conditions as prob
Reading: CEM Part 2 - Chapter 1 - Pages II-1-23 to II-1-29
HW 1 Due Today 1/22 at 5pm
Upload a single PDF file
1. In MATLAB when given equations in fractions - use fractions in code. More accurate.
2. If a questions asks for you to derive an equation and
Reading CEM Part III Chapter 2
HW 4 due Today 3/11 5pm
Midterm Wednesday 3/16
Covers hydrodynamics
Example test posted
Add a barrier on the shoreline
Tidal inlet with barrier islands
Stabilized Inlets with Jetties
Rocky Headland
Detached Breakwater
Erodin
Reading: CEM Part 1 - Definition and History of Coastal Engineering
HW 1 to be posted later this week
All lecture notes are posted to T-Square after class
A solution for the water surface will be found to be a cosine/sine function
In a real sea there is m
Reading: CEM Part 2 - Chapter 1 - Pages II-1-1 to II-1-11
HW 1 Due Friday 1/22 at 5pm
Upload a single PDF file
Linear Wave Theory
Governing Equations: Navier Stokes (momentum equations) and consevation
of mass (continuity)
Nonlinear partial differential e
CEE 4225 Coastal Engineering Spring 2014
Homework 6 Due: Friday April 24, 2014 5PM
1. Consider a beach nourishment project that is designed to provide an increase in
beach width of 20 m in beach width (cross-shore direction) once the beach profile
has re-
CEE 4225 Coastal Engineering Spring 2014
Homework 5 Due: Wednesday, April 9, 2014 5PM
1. Estimate the total longshore sediment transport rate (net value for year, i.e. cubic
meters per year) for each of the scenarios described below. In each case, assume
CEE 4225 Coastal Engineering Spring 2014
Homework 4 Due: Friday, March 14, 2014 5PM
1. Estimate the seiching periods for the fundamental mode of vibration and 1st and 2nd
harmonics (i.e. n = 1, 2, 3 in the Meriam formula) in a flume filled to 1/2 of its d
CEE 4225 Coastal Engineering Spring 2014
Homework 3 Due: Wednesday, February 26, 2014 5PM
1. Write a Matlab program using the zero-upcrossing method to separate waves. Apply it
to the data file wave_data.mat. This file has 3 variables, the water surface,
HW 5 is posted. Due April 22.
Project: Part 1 - Waves, due Today at 5pm
Project: Part 2 - Erosion analysis is due Tuesday 4/19 at 5pm
No class or office hours next week
Resume class as normal on Monday 4/18
Vertical Pile
Unsteady (Inertial) Term
If the pi
2/12/15 3:24 PM C:\Users\kh181\D0cuments\.\zerou9 data.m l of 2
clc
Clear
load wave_data
% eta H water level (cm)
% h water depth cfw_m
t time (seconds)
o\
npts=length(eta); 0umber of data points
mn=mean(eta); 0ind the mean
eta=etamn; %remove the mean
e
CEE 4225 Coastal Engineering Spring 2014
Homework 4 Due: Friday, March 14, 2014 5PM
1. Estimate the seiching periods for the fundamental mode of vibration and 1st and 2nd
harmonics (i.e. n = 1, 2, 3 in the Meriam formula) in a flume filled to 1/2 of its d
HW 2 Due Friday 2/5 at 5pm
Upload a single PDF file
Names of people who
need the tablet for CEDAS
If you need a tablet and
are not on this list, let me
know ASAP
Use two wave rays with straight and parallel depth contours
Perpendicular distance increases
Reading CEM Part III Chapter 2
HW 4 due Friday 3/11 5pm
Midterm Wednesday 3/16
Covers hydrodynamics
Example test posted
Extra Credit Survey posted in T-Square
Please fill it out by 5pm Today
Longshore Sediment Transport
Waves and currents on beaches combi
Midterm Instructions
I will provide the relevant wave forecasting curves and diffraction diagrams
You are responsible for providing any other chart or equation
You may use your book and any class notes, handwritten or from T-square
You may use a ruler, pe
Reading: CEM Part 2 - Chapter 7
Pages II-7-3 to II-7-9 and II-7-26 to 11-7-29
Wave Diffraction
It is difficult to solve bathymetric induced diffraction analytically.
We therefore tend to use numerical models to solve for
refraction and diffraction togethe
Tides
Water level changing in time due to the gravitational pull
of the moon and sun
Close to shore, can be thought of as a wave propagating in
shallow water
Use equilibrium theorem of tides to get main concepts
Assume the following:
1) The earth is cover