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 the heating or cooling of moist air:

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

Analyze the 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