Module magnetic 

Magnetic field computation — Biot-Savart law, current loops, solenoids, magnetic dipoles, field line tracing, and Ampere’s law verification.

Structs

CircularLoop

A circular current loop.

CurrentSegment

A finite straight current-carrying segment.

InfiniteWire

An infinite straight wire carrying current.

MagneticFieldRenderer

Renderer for magnetic field visualization.

Solenoid

A solenoid: many circular loops stacked along an axis.

Functions

ampere_circulation

Verify Ampere’s law: the circulation of B around a closed path equals mu0 * I_enc. Returns the line integral ∮ B · dl.

biot_savart

Biot-Savart law for a finite current segment. dB = (mu0 / 4*pi) * I * dl × r_hat / r^2 Integrated analytically for a straight segment.

magnetic_dipole_field

Magnetic field of a magnetic dipole at a given position. B = (mu0/4*pi) * [3(m·r_hat)r_hat - m] / r^3

magnetic_field_at

Compute the total magnetic field at pos from multiple current segments (superposition).

trace_magnetic_field_line

Trace a magnetic field line from a start point. Magnetic field lines are closed loops (div B = 0).