000 01961nam a2200253Ia 4500
003 MX-MdCICY
005 20250625153850.0
040 _cCICY
090 _aB-12302
245 1 0 _aA two-dimensional time-domain boundary element method for dynamic crack problems in anisotropic solids
490 0 _vEngineering Fracture Mechanics, 75(6), p.1412-1430, 2008
520 3 _aA time-domain boundary element method (BEM)for transient dynamic crack analysis in two-dimensional, homogeneous, anisotropic and linear elastic solids is presented in this paper. Strongly singular displacement boundary integral equations (DBIEs)are applied on the external boundary of the cracked body while hypersingular traction boundary integral equations (TBIEs)are used on the crack-faces. The present time-domain method uses the quadrature formula of Lubich for approximating the convolution integrals and a collocation method for the spatial discretization of the time-domain boundary integral equations. Strongly singular and hypersingular integrals are dealt with by a regularization technique based on a suitable variable change. Discontinuous quadratic quarter-point elements are implemented at the crack-tips to capture the local square-root-behavior of the crack-opening-displacements properly. Numerical examples for computing the dynamic stress intensity factors are presented and discussed to demonstrate the accuracy and the efficiency of the present method.
650 1 4 _aDYNAMIC CRACK ANALYSIS
650 1 4 _aANISOTROPIC ELASTIC SOLIDS
650 1 4 _a2D TIME-DOMAIN BEM
650 1 4 _aCOLLOCATION METHOD
650 1 4 _aCONVOLUTION QUADRATURE
700 1 2 _aGarcá-Sánchez, F.
700 1 2 _aZhang, C.
700 1 2 _aSáez, A.
856 4 0 _uhttps://drive.google.com/file/d/16kTn55v5-FFqCrt2pd75mgmM7kv-KbHz/view?usp=drivesdk
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
942 _2Loc
_cREF1
008 250602s9999 xx |||||s2 |||| ||und|d
999 _c46512
_d46512