Crate hpr_design 

The canonical rocket design model: component tree, shapes, materials, mass properties, stages and configurations, and design checks.

Guide: The design tree, Shapes and Mass properties: the models, their sources, how well they are validated and what they leave out.

• mass: mass, center of mass and full inertia tensor, and how bodies combine.
• shapes: nose cone and transition profiles.
• solids: solids of revolution, filled or with a wall.
• finish: surface finishes and their roughness heights.
• fins: fin sets (trapezoidal, elliptical, freeform) and tube fins.
• parts: every other component, from body tubes to shock cords.
• material: materials and their densities, and materials: built-in values with sources.
• tree: the design tree of stages and components, placement, automatic radii, overrides and the reference diameter.
• config: motor mounts, configurations, and the rocket’s mass properties through the burn.
• checks: structural checks with typed findings.

Re-exports

pub use checks::Finding;

pub use checks::Severity;

pub use config::Assembly;

pub use config::Configuration;

pub use config::Ignition;

pub use config::LaidOut;

pub use config::MotorMount;

pub use config::MountedMotor;

pub use config::PlacedMotor;

pub use error::DesignError;

pub use finish::Finish;

pub use fins::FinCrossSection;

pub use fins::FinFillet;

pub use fins::FinPlanform;

pub use fins::FinSet;

pub use fins::FinTab;

pub use fins::TubeFinSet;

pub use mass::MassProperties;

pub use mass::Placement;

pub use material::Density;

pub use material::Material;

pub use parts::BodyTube;

pub use parts::CenteringRing;

pub use parts::InnerTube;

pub use parts::LaunchLug;

pub use parts::MAX_INSTANCES;

pub use parts::MassComponent;

pub use parts::NoseCone;

pub use parts::Packing;

pub use parts::Parachute;

pub use parts::PodSet;

pub use parts::RailButton;

pub use parts::ShockCord;

pub use parts::Shoulder;

pub use parts::Streamer;

pub use parts::Transition;

pub use shapes::NoseShape;

pub use shapes::Profile;

pub use solids::RevolvedGeometry;

pub use solids::Wall;

pub use solids::revolve;

pub use tree::AutoDimension;

pub use tree::Component;

pub use tree::DragOverride;

pub use tree::InertiaOverride;

pub use tree::Layout;

pub use tree::Overrides;

pub use tree::ParallelStage;

pub use tree::Part;

pub use tree::PlacedComponent;

pub use tree::PlacedStage;

pub use tree::Position;

pub use tree::ReferenceDiameter;

pub use tree::Rocket;

pub use tree::Stage;

pub use tree::UnresolvableRadius;

Modules

checks

Structural design checks: typed findings about a design that resolves but can’t be built or flown as described.

config

Motor mounts, configurations and the assembled rocket: the structure with its motors placed, and its mass properties through the burn.

error

Error types for the design model.

finish

Surface finishes: the roughness height that limits a surface’s skin friction.

fins

Fin sets and tube fins: planforms, cross-sections, tabs, and mass properties from geometry.

mass

Rigid-body mass properties: mass, center of mass and the full inertia tensor, and how bodies combine, move and turn.

material

Materials: a name and a density per volume, per area or per length.

materials

Built-in materials, each with the public source its density comes from.

parts

Components other than fins: nose cones, body tubes, transitions, inner tubes, centering rings and bulkheads, launch lugs, rail buttons, mass components, parachutes, streamers and shock cords, each with its mass properties from geometry.

shapes

Nose cone and transition profiles: radius and slope along the axis for every shape.

solids

Solids of revolution: volume, centroid, moments of inertia and surface areas of a profile swept about its axis, either filled or as a wall of constant thickness normal to the outer surface.

tree

The design tree: a rocket of stages, each a stack of body components from the nose aft with parts attached to them, and how the tree resolves into placed parts and the rocket’s structural mass properties.