60 lines
2.2 KiB
Rust
60 lines
2.2 KiB
Rust
use coremem::{Driver, mat, meas};
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use coremem::geom::Vec2;
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fn main() {
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coremem::init_logging();
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let width = 800;
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let feat_size = 1e-3; // feature size
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let peak_current = 2.5e9;
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let conductivity = 1.0e5;
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let inner_rad = 50;
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let outer_rad = 100;
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let ferro_rad = 40;
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let mut driver = Driver::new(width, width, feat_size);
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//driver.set_steps_per_frame(8);
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//driver.set_steps_per_frame(40);
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driver.add_y4m_renderer("toroid.y4m");
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// driver.add_term_renderer();
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driver.add_measurement(meas::Current(width / 2 + (inner_rad + outer_rad) / 2, width / 2));
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driver.add_measurement(meas::Current(width / 2 + inner_rad + 2, width / 2));
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driver.add_measurement(meas::Magnetization(width / 2, width / 2));
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driver.add_measurement(meas::MagneticFlux(width / 2, width / 2));
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driver.add_measurement(meas::MagneticStrength(width / 2, width / 2));
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let center = Vec2::new((width/2) as _, (width/2) as _);
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for y in 0..width {
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for x in 0..width {
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let d = Vec2::new(x as _, y as _) - center;
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if (inner_rad as _..outer_rad as _).contains(&d.mag()) {
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*driver.state.get_mut(x, y).mat_mut() = mat::Static::conductor(conductivity).into();
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} else if d.mag() < ferro_rad as _ {
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*driver.state.get_mut(x, y).mat_mut() = mat::db::ferroxcube_3r1();
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}
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}
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}
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driver.add_boundary(width/2 - outer_rad - 10, 0.01);
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loop {
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let drive_current = peak_current * match driver.state.step_no() {
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0..=1000 => 1.0,
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3000..=4000 => -1.0,
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_ => 0.0,
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};
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// E = V/M
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//let e = v/(2.0*feat_size);
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let e = drive_current/conductivity;
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for y in 0..width {
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for x in 0..width {
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let d = Vec2::new(x as _, y as _) - center;
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if (inner_rad as _..outer_rad as _).contains(&d.mag()) {
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let tangent = Vec2::new(-d.y(), d.x()).with_mag(e);
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driver.state.impulse_ex(x, y, tangent.x());
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driver.state.impulse_ey(x, y, tangent.y());
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}
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}
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}
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driver.step();
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}
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}
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