Method and device for measuring mechanical parameters of double-layer double-clamped beam
A technology of mechanical parameters and measurement methods, which is applied to the measurement of mechanical parameters of double-end fixed beams and the field of mechanical parameter measurement of double-layer double-ended fixed beams. It can solve problems such as large test errors and achieve good application prospects.
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[0031] In order to facilitate the public's understanding, firstly, a brief introduction is given to the construction process of the pull-in voltage analytical model of the double-layer double-ended fixed-supported beam in the technical solution of the present invention:
[0032] suppose represent the equivalent Young’s modulus of the upper and lower layers of double-layer double-end fixed beams with unequal widths, respectively, represent the equivalent residual stresses of the upper and lower floors of double-layer double-end fixed-supported beams with unequal widths, respectively, w 1 、w 2Respectively represent the width of the upper and lower floors of the unequal-width double-layer fixed-end beam, l is the length of the unequal-width double-layer double-end fixed beam, h is the single-layer thickness of the unequal-width double-layer double-end fixed beam.
[0033] For double-layer double-end fixed-support beams, when the width and thickness of the film satisfy b i i ...
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