Orbits,
Satellites, Rockets F
= m ∙ p’’ Fg
= G ∙ m1 ∙ m2 / r2 |
bodies
in freefall p’’
= G ∙ m2 / r2 satellites Apollo
trajectory Juno
trajectory |
|
Electrical Circuits vR
= i ∙ R vC’
= i / C iL’
= V / L |
low-pass
filter iL’ = (vS
– vC)/L vC’ = ( iL
+ (vS - vC/R))/C |
|
Rigid
Body Dynamics F
= m ∙ p’’ Г
= I ∙ a’’ Fs
= - k ∙ p Fd
= - m ∙ v Fl
= 0.5 ∙ d ∙ v2 ∙ s ∙ CL |
auto
suspension VEX robotia’=(va - R×ia - Kb× w)/L q’=w w’ = ( Km× ia - B× w )/ J airplane
simulator |
|
Heat
Transfer q = - k ∙ (∂T /
∂x, ∂T / ∂y) T
= (1/c) ∙ heat energy / vol. |
time-dependent
heat transfer ∂T/
∂t = C∙(∂2T/ ∂x2, ∂2T/
∂y2) |
|
The Wave Equation F = m ∙ p’’ |
vibrating string ∂2u
/ ∂2t = C∙∂2u/∂x vibrating
surface ∂2u
/ ∂2t = C∙(∂2u/∂x, ∂2u/∂y) |
|
Stress
and Strain |
|
|
Fluid
Dynamics F
= m ∙ p’’ Г
= I ∙ a’’ Reynold’s
Transport Thrm t = F / A = m (v/L) |
Navier-Stokes Equations |
. . |
Maxwell’s Equations |
electromagnetic
radiation model = Maxwell’s equations |
|