Wave equation in one dimension

The wave equation is a second-order linear partial differential equation used to describe the propagation of waves, including standing wave fields such as mechanical or electromagnetic waves.

Notes:

  1. This equation is called one-dimensional because the displacement function depends only on one spatial dimension.

Links:

  1. Wikipedia.

position

position, or spatial variable.

Symbol:

x

Latex:

\(x\)

Dimension:

length

time

time.

Symbol:

t

Latex:

\(t\)

Dimension:

time

displacement

Factor representing a displacement from rest position, which could be pressure, position, electric field, etc., as a function of position and time.

Symbol:

u(x, t)

Latex:

\(u{\left(x,t \right)}\)

Dimension:

any_dimension

phase_speed

phase_speed of the wave.

Symbol:

v

Latex:

\(v\)

Dimension:

velocity

definition

Derivative(u(x, t), (x, 2)) = Derivative(u(x, t), (t, 2)) / v^2

Latex:
\[\frac{\partial^{2}}{\partial x^{2}} u{\left(x,t \right)} = \frac{\frac{\partial^{2}}{\partial t^{2}} u{\left(x,t \right)}}{v^{2}}\]