| 8 | Excited response of granular ores in vibrating field显示文摘The dynamical theory was utilized to probe into the law of the excited response of granular ores generated by the exciting action of exciter and the influence of wave propagation in vibrating field. The exciter with double axes was presented as an example, and the principle of exciter and its mathematical expression of the excitation force were given. The granular ores have viscidity and damping speciality, on the basis of which the motion equation of excited response of ores was established and the approximate expression of mode displacement by harmonic excitation and the steady effect solution of coordinate response were deduced. Utilizing the step by step integration method, the recursion relation matrix of displacement, velocity and acceleration of the excited response of ores were obtained, and the computational flow chart and a computational example were given. The results show that the excited response can change the dynamical character and the flowing characteristic of granular ores. | LI Jian hua 1,2 , SUN Ye zhi 1, WU Ai xiang 1, CHEN Shou ru 1 (1.College of Resources, Environment and Civil Engineering, Central South University, Changsha 410083, China 2.The 5th Building Company in Guangdong Province, Shaoguan 512026, C | 2001 | Journal of Central South University of Technology2001，8，2： | 1 |
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