| Nonlinear Oscillation Analysis by an Orthogonal Function Method |
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| 引用本文： | 孙丕忠,唐乾刚,孙世贤. Nonlinear Oscillation Analysis by an Orthogonal Function Method[J]. 应用数学和力学(英文版), 1995, 0(7) |
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| 作者姓名： | 孙丕忠 唐乾刚 孙世贤 |
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| 摘 要： | ＮＯＮＬＩＮＥＡＲＯＳＣＩＬＩＡＴＩＯＮＡＮＡＬＹＳＩＳＢＹＡＮＯＲＴＨＯＧＯＮＡＬＦＵＮＣＴＩＯＮＭＥＴＨＯＤＳｕｎＰｉ，ｈｏｎｇ（孙丕忠）ＴａｎｇＰｉａｎｇａｎｇ（唐乾刚）ＳｕｎＳｈｉｘｉａｎ（孙世贤）（ＮａｔｉｏｎＵｎｉｖｅｒｓｉｔｙｏｆＤｅｆ...
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NONLINEAR OSCILIATION ANALYSIS BY ANORTHOGONAL FUNCTION METHOD |
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| Sun Pi,hong ,Tang Piangang,Sun Shixian. NONLINEAR OSCILIATION ANALYSIS BY ANORTHOGONAL FUNCTION METHOD[J]. Applied Mathematics and Mechanics(English Edition), 1995, 0(7) |
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| Authors: | Sun Pi hong Tang Piangang Sun Shixian |
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| Affiliation: | Nation University of Defence Technology Changsha 410073.P.R.China |
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| Abstract: | In this paper an orthogonal function method is presented based on the idea to suppose perioche sohuion with the method of harmonie balance The displaeement is expressed in the form of trigonometric fumctions a group of simplified digenequationsare obtained by the use of orthogonarity of trigonometric fumetions and linear mondes The method overcomes the diffieulty of a drifi term existing in systems with quadratic nonlinearities .The ealeulation examples show that the method has thd advantages of high caleulation preeision high convergenee speed and littld ealeulation work |
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| Keywords: | orthogonal function method nonlinearity oseillation characteristies eigenequations. |
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