ࡱ> ~)` Rb\bjbj2~{{ LLLLLLL`H+H+H+8+d+`HCj - -----. !.BBBBBBB$DhGZBEL).--).).BLL--C444).L-L-B4).B44VO;@LL<-- @:(H+1; 3>dC0HC;xtG2tG<tGL< ).).4).).).).).BB4d).).).HC).).).).```$``````LLLLLL Ym_l'Yf[xvzu zYef['Y~N0W,g`Q zS2411001_b |*zz*)Yf[b_f[gQ-Ne zTy9_'`RRf[cIle zTyElastodynamicsNYe^1s`fLyYec]\OS0003353E-mailwanghuiming@zju.edu.cnT|5u݋NYe^2Ly]\OSE-mailT|5u݋Kb:g Q;`f[epeSvQRM1f[R16f[e 32f[32[vQNf[Rpe28he_wSՋ(`S40%) + s^eb~(60%)N0 zQ[-Ne{NN\N300W[ 9_'`RRf[/fVSORf[vN*N͑R/e /fxvz9_'`SO(WR}w\O(u NvSb_TЏRĉ_vf[y0,g z;NQ[Sb~/cRNlN~RRf[e zv^zNBl gLu&_v/cR㉌TlRD AlembertЏRTSb_vc`e z:We zv~'`S,gge zwϑ:WvHelmholtzRlRe zvLameRGWSTT T'`eP9_'`N(-Nvs^bl0tblTgbls^b{lvS\T\Pl0SVlNSSHlN9_'`JSzzhbvS\P-SVlTSHl(W$N*N9_'`JSzzNLubYvS\T\RayleighlStoneleylLovel9_'`l[v%_ceHe^%_cef~v^l^ePs^g-NvSHlePs^g-NvRayleigh-LamblyRSbclxQWv9_'`RRf[0 N0 zQ[Ye{NElastodynamics is an important branch of solid mechanics. It studies the deformation and motion of the elastic media under the dynamics loadings. The main contents include: Introduction to elastodynamics; Vibration and wave; One-dimensional elastodynamic equations; Elastodynamic solution of a finite string; DAlemberts solution. Description of deformation and motion; Conservation equations; Linearized theory of elasticity; Constitutive equation. Helmholtz resolution of a vector; Lame solution of an elastodynamic equation. Waves in homogeneous infinite media. Reflection and transmission of plane harmonic waves at an interface; Reflection of P, SV and SH waves from the boundary of an elastic half space; Reflection and transmission of P-SV and SH waves at an interface between two elastic half spaces. Rayleigh wave, Stoneley wave and Love wave. Transient waves in elastic waveguides. Dispersion curves, phase velocity, wave groups and group velocity. SH waves in a plate; Rayleigh-Lamb waves in a plate; Integral transform method. Elastodynamic solutions for several typical cases.V0YwƋbHQO zBlPgeRf[09_'`Rf[0_yRpef[irte zN0Yef[vvNBlN\N200W[ ,g zNVSORf[NNZSXu:N;Nc[a0[9_'`SOv/cRTlRatQvvQNNNZSXu_NS O,g z0Ǐ,g zvf[`N f[uƋTO/cR(W9_'`N(-N OdvlRsaccSOl~lT*jl 0hbl0cef~0v^0l0^0lI{W,gi_cclRe zv^z0LuagNvclNSlRvBl㉹elccs^b{l(WNLubYvS\N\vBl㉹elN9_'`l(We_chKm00WB\RcI{Wv͑^(u0mQ0YePgbINhgBh, 09_'`RRf[ 0 -NVSQHr>y 1988t^N0SfNv[1] J.D. Achenbach. 0Wave propagation in elastic solids 0, North-Holland, Publishing Company, 1973. 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