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The ratio of the proportional decrease in a lateral measurement to the proportional increase in length in a sample of material that is elastically stretched.
- ‘A linear statics analysis, for example, will require an elastic modulus, Poisson's ratio and perhaps a density for each material.’
- ‘The matrix was assigned a Poisson's ratio of v = 0.49, as were the cells in simulations requiring this.’
- ‘It will observed that the natural period is a function of the aspect ratio r and the Poisson's ratio, n.’
- ‘Most strain models assume ideal incompressible materials with a Poisson's ratio of 0.5.’
- ‘The parameters investigated are the ratio of shear modulus, ratio of shear wave velocity, the thickness of the top layer, material damping ratio and Poisson's ratio.’
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.