Electrical Engineering

compute magnetic flux density for an object

1m 1A Helmholtz coil

examine op amp circuit configurations

op amp

compute characteristics of a motor

synchronous motor 6 poles

explore properties of ideal waveguides

circular waveguide

Control Systems

analyze a transfer function model

transfer function (s^2-3)/(-s^3-s+1)

analyze a state space model

state {{0,1,0},{0,0,1},{1/5,-1,0}}, input {{0},{0},{1}}, output {{-3,0,1}}

Mechanical Engineering

compute the maximum force of a spring

spring maximum force

do a cooling load computation

residential cooling load

find the stress on a cylinder

diameter 5mm and force 2N, what is the mechanical stress

Civil & Structural Engineering

compute mandated ventilation rate

indoor air quality, 3 bedrooms, 1600 sq ft

do an Euler column buckling computation

column buckling

compute the deflection of a beam under load

beam deformation

UNSS21900 simple support beam deflection 150 lbf

Structures

get information about a structure

Golden Gate Bridge

compare several structures

Blarney Castle, Castillo de Cox, Egeskov

do computations with properties of structures

height CN Tower / Merchandise Mart

find structures with specified properties

mines over 5000 feet

Fluid Mechanics

visualize a vortex field

vortex potential

compute fluid flow around an object

flow around a cylinder

Aeronautics

compute airflow around a standard airfoil

NACA 0012 airfoil

compute indicated airspeed from true airspeed

true airspeed = 550 knots, altitude = 35000 ft

calculate straight-line distance to an airplane

slant range to aircraft 40deg, altitude=35000ft

Sound & Acoustics

compute a Doppler shift

Doppler shift 300Hz, 75mph

compute perceived loudness

perceived loudness 110 Hz, 60 dB

generate sound with a specified waveform

play 1.5kHz sawtooth

Steam Tables

compute properties of steam at a given temperature

steam 135C

specify a temperature and pressure

steam 400F 60psi

compute properties of saturated steam

saturated steam 20atm

Psychrometrics

analyze heating or cooling of moist air

adiabatically cool moist air at Tdry=30C to Tdry2=22C

analyze humidification of moist air

humidify moist air at drybulb 15C and 20% to 30C and 55%

Refrigeration

analyze a refrigeration cycle

refrigeration cycle

turbine refrigeration cycle with R134a at 1.5MPa and -10C

Measurement Devices

discover how to measure different physical properties

acceleration measuring devices

get information about a measurement instrument

crankshaft position sensor