問題詳情

2. A piezoelectric element Ri has a size

and the Young's Modulus of ERI. And it can be activated toelongate a free deflection of ALRif, as shown in Fig2.Ao Wthout ked 04 Weadht - JoakelFigure 2: Three working situotions of the piezoele ectrlc element.When the piezoelement Ri is activated to elongate ㆍ please derive the following paramcters with the above-mentioned known parameters


【題組】(a) Without loading, its maximum working force FRI, max and its spring constant krI of the piezoelement Ri, asshown in Fig2(a).(3%)

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