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Dual-chamber underground SV waves in the Analytical Solution for Dynamic Response

ressconcentrationofundergroundtwincavitiesforincidentplaneSVwavesisderivedbywavefunctionexpansiontechnique. Itisshownthatinteractionbetweentwocavitiesmaypromi-nentlyamplifythedynamicstressconcentrationofthecavitieswhenthetwocavitiesareclose, andthedynamicstressconcen-trationfactormayreachto5.2timesofthatforthecaseofsinglecavity, andthemaximumdynamicconcentrationfactorsarelocatedattheboundariesoppositetoeachother. Keywords: undergroundcavities; stresswaves; dynamicresponse; plansSVwaves; scattering male first author Jian-Wen Liang, professor and supervisor. 1965. Phone: (022) 27404025; E-mail: jwliang @ tj. cnuninet. net140 Vibration Engineering Volume 17 Appendix dwarfish scale transformation type,[link widoczny dla zalogowanych], cO (r2) 【c ~ snzOzsinn20zJ Kazuhiro (r3) a} a) ~ i {FFl + cl2co. s ~ 101 ::::;: cA them. . One. . A} Kazuhiro {){,( r2) = Fzc (nz, n,, +1, a FUlc ... osn flail zOz - F a ~-cZlsin ... n2 v () 7r). A COSt '/ 303] a ::,,. jF. cos, 222 + F. snn2fAd, cOS (, 2 + n3) ± (A 1). CnI - n3 (2) · 1F. COSn202 a Fsn, 222A4. o-(2) · 1, F. c () s, 2.. - XI FL31sn, 2.. A5 。',[link widoczny dla zalogowanych]。'。-:。'(, 2 a, 2.) 0o3-n1 national non-linear Dynamics,[link widoczny dla zalogowanych], vibration and motion stability of nonlinear Conference Call for Papers and China by the China Institute of Vibration Engineering Mechanics Association, the Seventh National nonlinear dynamics, vibration and motion and stability of the Tenth National Conference nonlinear vibration academic conferences, will be in late October 2004 was held in Nanjing, the Beijing Aerospace University and Nanjing University of Aeronautics and co-host. The main focus of the academic essay topics and include: (1) Nonlinear Dynamics study, bifurcation and chaos; (2) nonlinear vibration and vibration control; (3) Motion Stability and Control Theory; (4) random nonlinear dynamics and vibration; (5) Chaos control and synchronization,[link widoczny dla zalogowanych], bifurcation control; (6) nonlinear dynamics of modern mathematical methods; (7) non-linear network theory and application; ( Cool

fractal, solitary wave theory and its applications; (9) in the mechanical, structural, aviation, aerospace, transportation and other engineering fields of nonlinear dynamics; (10) in physics,[link widoczny dla zalogowanych], chemistry, life science, information science and economic science of nonlinear dynamics. Contributors are invited to mid-May 2004 submit a detailed abstract (A4 paper 4 to 6) in duplicate (in Word document sent to: [link widoczny dla zalogowanych] China Institute of General Mechanics Mechanics Committee (non-linear dynamics and stability of professional group) Solid Mechanics Committee (vibration Professional Group) China Institute of Vibration Engineering Committee of random nonlinear vibration Professional Committee of vibration

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