Shear modulus, also known as the modulus of rigidity, is a measure of a material's response to shear stress, which is the force that causes layers of the material to slide against each other. It quantifies the material's ability to deform under shear loading and is essential for evaluating the performance of tether materials used in airborne wind energy systems. Understanding shear modulus is crucial because it affects the structural integrity and stability of tethers under varying aerodynamic and mechanical loads.
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