New equation is derived from an object function by means of initial values af-ter the differential equation of deflection in the simply supported beam with step func-tion,and dirac function is laplace transformed and inverse transformed.
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- 本文對含有階梯函數、Dirac函數的簡(jiǎn)支梁撓曲線(xiàn)的四階微分方程進(jìn)行Laplace變換，然后再進(jìn)行逆變換，求出原函數，最后利用邊界條件推導并建立連續梁的新三彎矩方程。
