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2篇 您的检索式：作者名="YangJianming"

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		题名	作者	年代	出处	被引量
	1	CONCEPTUAL MECHANICAL DESIGN METHOD BASED ON QUALITATIVE SIMULATION显示文摘A model for conceptual design of mechanical devices is studied based on qualitative simulation. In this model, the desired functions are expressed by state-transit-diagrams(ST-diagrams)and design space is represented by qualitative-state-curves(QS-curves). The first design idea, called seeds idea, is proposed by the designer and then is abstracted into QS-curves. The qualitative simulation is implemented based on the QS-curves. By changing the motion of acting parts, the connection of parts and the motion of driving part, new design ideas are generated. With this model, a series of new design ideas derived from the seeds idea can be achieved.	YangJianming YangPing ZouBailong YangChengsan	2005	Chinese Journal of Mechanical Engineering2005，18，2：	3
	2	MODIFIED CLOSED-FORM NUMERICAL ALGORITHM FOR PERIODIC VIBRATION RESPONSE OF MECHANICAL TRANSMISSIONS显示文摘A closed-form numerical algorithm (CFNA) is analyzed in detail. CFNA is widely used in mechanical dynamics for periodic solution of second-order original differential equations (SODE) with periodic time-variant coefficients. The principle of the algorithm is to discretize the motion period into many short time intervals, so the coefficient matrices of the equation set are regarded as constant in a time interval. Defects are found in the original algorithm in treating the modal coordinates at the two end-nodes and important modifications to the defects is made for the algorithm.The modified algorithm is finally used to solve the dynamic problem of a three-ring planetary gear transmission.	YangJianming ZhangCe	2005	Chinese Journal of Mechanical Engineering2005，18，1：	1

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