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Wingflexer: Difference between revisions
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This article describes how to add wingflex to your aircraft and how to obtain plausible parameters. The physical model is given at the end. | This article describes how to add wingflex to your aircraft and how to obtain plausible parameters. The physical model is given at the end. | ||
= How to add to your aircraft = | == How to add to your aircraft == | ||
= Obtain plausible parameters = | == Obtain plausible parameters == | ||
To make our model produce a convinving dynamic behaviour, you will need to obtain estimates (and fine-tune) a number of parameters. These include the wing mass m_w, the wing stiffness K, the damping D, and a scaling factor z_fac. | To make our model produce a convinving dynamic behaviour, you will need to obtain estimates (and fine-tune) a number of parameters. These include the wing mass m_w, the wing stiffness K, the damping D, and a scaling factor z_fac. | ||
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Here are some relations: | Here are some relations: | ||
* a lower wing mass increases the eigenfrequency, and weakens the touchdown bounce | |||
* a higher stiffness K reduces the deflection and increases the eigenfrequency | |||
= Physical model = | == Physical model == | ||
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g | g | ||