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  1. 1)Critical Damping 正如上述所說,中文叫臨界阻尼,即令到shm(簡諧振動...門被風吹動時就不會造成太大的聲響。 2)Under- damping 即欠阻尼,會令到shm的amplitude(振動幅度)不斷減少,最...

  2. Taking a damped spring-and-mass oscillation system as an example with the ...view of the nature of roots of (*), for the case of slight damping , i.e. when μ2/4m2 - k/m < 0 Then...

  3. ... time that the mass pass equilibrium time= 7π/4 second the system with damping constant 4 damped IVP : the DE: 7y"(t)= -4/7 y -4y'...

    分類:科學及數學 > 數學 2011年11月17日

  4. 1) tuned mass damper 主要是安放在建築物的較高層位置,是鐘擺形式運作。 2) 當有外力傳於建築物...

    分類:科學及數學 > 工程學 2007年04月16日

  5. For a damped s.h.m., its differential equation can be written as: mx" + bx'...

  6. You need to solve a second order differential equation for an harmonic oscillator which include a restoring force and a damping force . Just refer to the web-page in the link below: http://www.phy.duke.edu/~rgb/Class/phy51/phy51/node24.html

  7. 這個本來是applied maths paper 2有的,但當然現在已out C... 我在我的教科書見過類似的題目.. 2009-02-05 16:52:22 補充: 圖片參考:http://i182.photobucket.com/albums/x4/A_Hepburn_1990/A_Hepburn01Feb051651.jpg?t=1233823925...

    分類:科學及數學 > 數學 2009年02月14日

  8. A simple explanation is, as in the case of a spring-mass oscillating system, the mass of the suspending wire needs to be taken into consideration. The equation desribing a disk in rotational vibration perforing simple harmonic motion is, torque = c[theta...

  9. So should the air resistance be the same as the expression used in: http://hk.knowledge.yahoo.com/question/question?qid=7008102400947 2009-02-17 11:26:52 補充: First of all, with the diagram below illustrating the general situation: 圖片參考:http://i117.photobucket.com/albums/o61/billy_hywung...

  10. In general, the period of a damped oscillation does change. The reason is... could also watch the change in period under heavy damping condition: http://www.lon-capa.org/~mmp/applist/ damped ...