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Complex damping vibration system with the dual principles and numerical methods


13--1184 mirror Zhu Qing, Zhu Min. Complex damping calculation of earthquake response spectra, and other. Earthquake Engineering and Engineering Vibration. 2000; 20 (2) :19-235 He Zhongyi, Liao ZP, Wang Xiaohua. Some on the complex damping theory notes. Earthquake Engineering and Engineering Vibration, 2002; 22 (1): l A 66 Zhu Min. Qing Zhu mirror. Step integration method for solving complex equations of motion damping structure stability. Earthquake Engineering and Engineering Vibration, 2001; 21 (4) :59-627 love Thuringia AC. Continuum mechanics. SHOCK Yu Woon translation. Beijing: Science Press,[link widoczny dla zalogowanych], 19918 Zhu Min, Zhu mirror clear. Response Spectrum complex damping Further Study. Earthquake Engineering and Engineering Vibration. 2001; 21 (2) :36-40DualPrincipleofOscillationSystemswithComplexDampingandItsNumericalMethodWangdianping. : LiuHongzhao. YuanDaning. ZhangZhongming? (DepartmentofMechanicalEngineering.TongjiUniversityShanghai.200092) (ZDepartmentofMechanicalEngineering, Xi'anUniversityofTechnologyXi'an, 710048) AbstractIndescribingthedissipativecapacityofstructuralmaterial,[link widoczny dla zalogowanych], thecomplexdampingtheoryhasfoundwiderapplica-tionduetOthebetteragreementbetweentheoreticanalysisandexperiment. However. difficultyexistsinsolvingthevibraftonequationwithcomplexdamping. Inthispaperthedualprincipleofcomplexconstitutivetheoryisdeveloped. Dualtermcon-figurationmethodasedontrigonometricinterpolateandconstanttermmethodsareputforward,[link widoczny dla zalogowanych], inviewofthesituationthattheexcitingforcescannotbeexpressedanalyticallyinamulti-degreeoffreedomsystem. Forsolvingthecomplicatedvi-brationequationscontainingcomplexdamping,[link widoczny dla zalogowanych], anumericalmethodusingiterationproceduretOimprovethesolutionaccuracyisadopted. Furthermore. thenumericalstabilityandimprovementmeasuresarediscussed. Asanexample, thedvnamicprop-ertiesofacrank-rockermechanismwithdampingalloypartsareanalyzed. Theresultsshowthatthepresentedmethodiscor-rect. Keywords: stability; complexdamping; dualprinciple; nunlericalmethod Wang Jianping, male first author,[link widoczny dla zalogowanych], postdoctoral fellows, students in November 1970. Phone: (021) 65984185; E-mail: Jpwanax @ 163. corn

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