• 本文利用解析电机定子弯曲模态特征进行了分析得到了圆环形薄板固有频率的理论表达式

    This thesis utilize the analytic method to stator of ultrasonic motor the curving vibration, receive the theory expression formula of the natural frequency of the round annular sheet metal.

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  • 运用体系复模态分析的统一方法得到了结构响应动力可靠度解析表达式

    Using the above method, the analytic expressions of response and dynamic reliability are got.

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  • 目前对此虽然已经较多研究成果发表多数支桥梁为研究对象,采用效率不高数值方法或者解析方法求解随机响应分析过程中普遍采用模态叠加法。

    Some research papers have been published. However, most of these papers used relatively simple bridge models and adopted analytical solution or inefficient numerical method to get stochastic response.

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  • 针对低矮小开口剪切型剪力墙,研究基于直接模态原理结构动力特性解析分析方法

    In this paper, a method is developed, which may be called the method of mode perturbation, to analyze the characteristics of vibration of complicated beams.

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  • 针对低矮小开口剪切型剪力墙,研究基于直接模态原理结构动力特性解析分析方法

    In this paper, a method is developed, which may be called the method of mode perturbation, to analyze the characteristics of vibration of complicated beams.

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