eFunda: The Ultimate Online Reference for Engineers

| | | | |

FREE Magazines

Desktop Engineering Design, simulation, test, prototyping and high performance computing.
NASA Tech Briefs Innovations developed by NASA and its industry partners in a wide array of fields.
Chemical Engineering Assembly Process Heating Machinery Lubricat...	Hydraulics & Pneum... Quality Magazine Maintenance Tech more...
USA \| Canada \| Mexico \| International \| FAQ

Discussons

New Topic

(14)	Request for advice regarding manufacture of a spring anchor (with attached jpg image)
(5)	What bolts are strongest?
(3)	Steel frame for marble table
(2)	can a 2A bolt be used with a 3b nut
(2)	online training and certifications
(0)	Converting pressure to torque
(0)	How to make AI react to sounds?
(0)	Books about mechine design like P.Orlov: Fundamentals of machine design?
(2)	2 Day Free Training on PMBoK v6
(0)	problem in Statics Lesson

Materials Periodic Table, Steels Aluminum, Polymers Piezo, Corrosion ...more		Unit Conversion Length, Mass, Pressure Time, Base-N, Fractions Hardness, Gage ...more
Design Center Plastic Design, Gages Springs, O-Rings, Sensors Screws, I-Beams ...more		Formulas Beam, Plate, Composite Vibration, Heat Transfer Fluid Mechanics ...more
Processes Casting, Stamping, Molding Annealing, Machining Rapid Prototyping ...more		Mathematics Areas, Trigonometry Taylor Series, Least Squares Laplace Transform ...more

Engineering Calculators

Design Aids
Spring, Wire/Sheet Gages
Fraction, Hardness Conversion
O-Ring: Sizing/Material

Solid Mechanics
Beam, Plate, Vibration
Stress/Strain Transform, Failure
Principal Stress/Strain, Elastic Const
Composite Material, Stiffness, ABD

Fluid and Thermal
Reynolds Number, Venturi Flowmeter
Pipe Friction, Radiation
Laminar Flow over Plate

Mathematics
Base-N, Gamma Function
Gauss Quads:Legendre/Laguerre
Loan, Lease, APR
Symbolic Calculators

Calculus: Integral, Derivative, Limit
Matrix: Inverse, Eigenvalue, Linear System
Plot: 2D, 3D, Parametric
Numerical: Root, Curve Fit