→ blazesunny:振幅衰減率為4倍 即δ=ln|4| 再由ζ=δ/√δ^2+4π^2得 02/03 01:57
→ blazesunny:damping ratio 02/03 01:58
http://140.115.130.224:8080/~arhui/cexamn/exam/EN03_97_00.pdf
動力第三題
題目中這句 Viscous damping ensues, and the ratio of two successive
positive-displacement amplitudes is 4.
要怎麼用算式寫??????
還有為什麼要這樣寫?????
麻煩善心人士幫我解惑一下吧 (．＿．?)
感激不盡...
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