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26 December 1984, Volume 4 Issue 4 Previous Issue    Next Issue

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ONE DIMENSIONAL WAVE PROPAGATION IN FLUID-SATURATED POROUS ELASTIC MEDIA Men Fulu Acta mathematica scientia,Series A. 1984, 4 (4):  467-476.  Abstract ( 47 )   RICH HTML PDF (488KB) ( 17 )   Save One dimensional wave propagation in fluid-saturted porous elastic media is studied in more detail, based on the system of dynamic equations presented previously by the author, by using the characteristics method Some conclusions and examples for engineering applications are shown then. Related Articles | Metrics

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A CONSERVATION LAW IN VISCOELASTODYNAMICS——GENERALIZATION OF J-INTEGRAL Li Hao, Jiang Qing Acta mathematica scientia,Series A. 1984, 4 (4):  477-484.  Abstract ( 56 )   RICH HTML PDF (381KB) ( 14 )   Save Noether's theorem on variational principles in which the functionals are invariant under a group of infinitesimal transformations is used to establish a conservation law associated with viseoelastodynamics which may be regarded as a generalization of Rice's J-integral to viscoelastodynamics. Related Articles | Metrics

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THE EQUIVALUED BOUNDARY VALUE PROBLEMS FOR THE MINIMAL SURFACE EQUATION Chen shuxing Acta mathematica scientia,Series A. 1984, 4 (4):  485-493.  Abstract ( 51 )   RICH HTML PDF (436KB) ( 154 )   Save There has been a long history on the study of the minimal surface equation(see[1]-[3]).For a tightly stretched uniform membrane in balance,its place can be discribed by the minimal surface equation. Related Articles | Metrics