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MECHANICAL EXPRESSIONS

The Next Generation of Mechanical Engineering Software

Mechanical Expressions is a symbolic mechanics program. Create a model, specify the geometry using symbolic constraints, add velocities, masses and force elements, and then extract mathematical expressions for output velocities, accelerations and forces. Copy expressions for input into a mathematics system like Mathematica, or copy them as Tex, MathML, or computer source code (in 9 languages). Or, create an HTML5/Javascript app, allowing you to communicate your design intent as an interactive, single-file web page that you can email to your colleagues or post on your web site. You'll quickly discover that Mechanical Expressions is truly a new breed of software.

 
 
 
 

Mechanical Expressions can model a broad array of situations pertinent to physicists and engineers. In this section, we've compiled fifteen examples that showcase Mechanical Expressions' capabilities.We've grouped these examples into five subsections:Kinematics, Statics, Inverse Dynamics, Dynamics, andGeometric Modeling. Each category contains three distinct examples: a symbolic example (often incorporating the use of a computer algebra system alongside Mechanical Expressions), a simulation (created with Mechanical Expressions' export to HTML5/Javascript App feature), and a video that shows the Mechanical Expressions workflow.

Mechanical Expressions lets you do sophisticated geometrical modeling and communicate the results as web pages or as mathematics

 
EXPLORE MECHANICAL EXPRESSION
 

Geometric Modeling Examples

Approximating Circular Arcs with Cubic Splines

Parametric Design

Cam Design

Mechanical Expressions lets you do sophisticated geometrical modeling and communicate the results as web pages or as mathematics.

Kinematics Examples

Pendulum, Angular Velocity, and Relative Velocity

4 Bar Linkage Kinematics

Kinematics of an Off-centered Circular Cam

Add velocities and accelerations to your geometric model, and measure output velocities and accelerations, absolutely or relatively.

 
GEOMETRIC MODELING
KINEMATICS EXAMPLES
 

Statics Examples

Force and Spring Equilibrium

Crank Slider

Torque, Forces in a Simple Structure

Add force elements to your model, and you can measure resultant forces and torques.

 
STATIC EXAMPLES
 

Inverse Dynamics Examples

Geneva Mechanism

Quick Return Mechanism

Torque in a Four-bar Linkage

Add motion and mass elements and compute inertial reaction forces.

 
INVERSE DYNAMICS EXAMPLES
 

Dynamics Examples

TrebuchetWheeled

TrebuchetModeling

Planetary Motion

Derive the motion resulting from given applied forces.

 
DYNAMICS EXAMPLES
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