eFunda: Engineering Formulas

International news and technology for marine/offshore operations around the world.

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

more free magazines

Fluid Mechanics
Navier-Stokes Equation
Bernoulli Equation
Reynold's Number
Pipe Friction
Manometer
Venturi Flowrate
more...

Heat Transfer
Conduction
Insulation R-Value
Free Convection
Forced Convection
Radiation
more...

Beam Mechanics
Euler Beam Theory
Cantilevers
Simply Supported
Mixed Supported
Beam Cross Sections
(all, W-type, S-Type, Channels)
more...

Plates
Plate Theory
Rectangular Plates
Circular Plates

Mechanics of Materials
Stress / Strain
Mohr's Circle
Hooke's Law
Young's Modulus
Rosette Strain Gage
Principal Stress Calculator
more...

Failure Criteria
Max. Shear Criterion
von Mises Criterion
Max. Stress Criterion
Ductile Yield Calculator
Brittle Failure Calculator
more...

Stress Concentration
Notches
Holes
Shoulders
Square Box Beam
Right Angle Beam
more...

Column Buckling
Elastic Buckling
Inelastic Buckling
Critical Loads
Eccentric Loading
Buckling Calculator
more...

Composite
Lamina Mechanics
Coord. transformation
Lamination Theory
Material Constants
Lamina Stiffness
Laminate Stiffness
more...

Fracture Mechanics
Stress Intensity Factor
LEFM / EPFM
J Integral / CTOD
more...

Vibrations
Undamped Vibration
Damped Vibration
Forced Vibration
Multiple DOF System
Accelerometer
Spring-Mass Calculator
more...

Finance
Annual Percentage Rate
Money Factor
Loan Calculator
Lease Calculator
Canadian Mortgage
more...