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结合动量方程及显式γ函数法的拟动力试验方法

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Keywords: 动量方程,γ函数法,显式表达式,数值积分方法,拟动力试验

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Abstract:

研究了一种适合实时或快速拟动力试验的数值积分方法――动量方程方法,阐述了动量方程方法的原理,结合显式γ函数法求解隐式方程,得到了拟动力试验实用的显式位移表达式。选用合适的参数,对一根悬臂钢柱进行了拟动力试验。试验结果与中心差分法得到的试验结果吻合较好,从而验证了积分方法的可行性和有效性,可以作为速度相关型结构或构件拟动力试验的数值积分方法。

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