ToDo Calculator’s aerospace calculator is an essential tool for aerospace enthusiasts, engineers, and professionals. Tailored for aerodynamics, flight dynamics, propulsion systems, and orbital mechanics, it offers advanced features and accurate calculations. With a user-friendly interface, it’s accessible to all levels of expertise, making it indispensable for designing aircraft, planning mission trajectories, and studying aerospace concepts.
Rocket fairing drag refers to the aerodynamic resistance encountered by the fairing of a rocket as it travels through the atmosphere during ascent. The fairing is a protective shell or covering that encapsulates the payload, such as satellites or other cargo, atop the rocket. Its primary function is to shield the payload from aerodynamic forces, […]
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Energy Finite Element Analysis is an Accurate structural vibration analysis method.The formula is given by: Where: ˙E˙k is the rate of change of kinetic energy, ˙E˙p is the rate of change of potential energy, ˙E˙d is the rate of change of energy due to damping and other energy loss mechanisms, ˙E˙f is the rate of energy
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Zero Fuel Weight in flight mechanics refers to the total weight of an aircraft without including the weight of the fuel on board. It comprises the weight of the aircraft structure, passengers, cargo, crew, and any other items on board, excluding the fuel. It is a critical parameter for flight planning, performance calculations, and weight
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Craig-Bampton method is an Efficient structural dynamics analysis for complex systems.The formula is given by: Where: Mc and Kc are the condensed mass and stiffness matrices of the free component region, ¨u¨c and uc are the acceleration and displacement vectors of the boundary degrees of freedom of the free component region, Fc is the external force
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Thrust-to-Weight Ratio in flight mechanics is a key performance parameter that quantifies the aircraft engine’s ability to generate forward thrust relative to the aircraft’s weight. Expressed as a ratio, it provides insights into the aircraft’s acceleration and climb capabilities. A higher thrust-to-weight ratio is generally indicative of better engine performance and the potential for improved
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The reaction mass flow rate equation defines the rate at which mass flows through a system during a chemical reaction. It quantifies the amount of reacting material passing through a given area per unit time. Where: m˙r is the reaction mass flow rate (in kg/s), ρ is the density of the reacting fluid (in kg/m³),
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In flight mechanics, Propulsion Net Thrust is the resultant force generated by an aircraft’s propulsion system, representing the difference between the thrust produced by the engines and the aerodynamic drag acting against the forward motion of the aircraft. A positive net thrust indicates excess thrust beyond aerodynamic drag, contributing to acceleration, while negative net thrust
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Fracture toughness as crack extends, vital for structural analysis.The formula is given by: Where: KIc(a) is the fracture toughness at a given crack length a, KIc(0) is the initial fracture toughness (typically at a=0), R(a) is the increment in fracture toughness as the crack grows.
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The rocket equation is a fundamental principle in astronautics that describes the relationship between the mass of a rocket, the effective exhaust velocity of its propulsion system, and the resulting change in velocity (delta-v). Where: Δv is the change in velocity (delta-v) that the rocket can achieve. ve is the effective exhaust velocity of the
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Irreversible deformation theory essential for engineering design and material analysis.The formula is given by: Where: σ is the stress tensor, ϵ is the strain tensor, ϵp is the plastic strain tensor, f is a function describing the material’s yield behavior.
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