jose dominguez | Universidad La Salle (Mexico) (original) (raw)

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Papers by jose dominguez

This book covers the different element formulations for time-dependent problems and the mathemati... more This book covers the different element formulations for time-dependent problems and the mathematical transformations required to produce computer codes for solving scalar, elastic and poroelastic wave propagation problems. The application of the boundary element method in ...

An academic directory and search engine.

International Journal for Numerical Methods in Engineering, 1995

The present paper deals with the study and effective implementation for Stress Intensity Factor c... more The present paper deals with the study and effective implementation for Stress Intensity Factor computation of a mixed boundary element approach based on the standard displacement integral equation and the hypersingular traction integral equation. Expressions for the evaluation of the hypersingular integrals along general curved quadratic line elements are presented. The integration is carried out by transformation of the hypersingular integrals into regular integrals, which are evaluated by standard quadratures, and simple singular integrals, which are integrated analytically. The generality of the method allows for the modelling of curved cracks and the use of straight line quarter-point elements. The Stress Intensity Factors can be computed very accurately from the Crack Opening Displacement at collocation points extremely close to the crack tip. Several examples with different crack geometries are analyzed. The computed results show that the proposed approach for Stress Intensity Factors evaluation is simple, produces very accurate solutions and has little dependence on the size of the elements near the crack tip.

Journal of Applied Mechanics-transactions of The Asme, 1992

An efficient boundary element procedure for the dynamic analysis of crack propagation in unbounde... more An efficient boundary element procedure for the dynamic analysis of crack propagation in unbounded and arbitrary shape finite bodies is presented. The procedure is based on the direct time domain formulation of the boundary element method. A moving singular element and a remeshing technique have been developed to model the asymptotic solution of the stresses near the propagating crack tip.

International Journal for Numerical Methods in Engineering, 1992

This paper presents a procedure for transient dynamic stress intensity factor computations using ... more This paper presents a procedure for transient dynamic stress intensity factor computations using traction singular quarter-point boundary elements in combination with the direct time domain formulation of the Boundary Element Method. The stress intensity factors are computed directly from the traction nodal values at the crack tip. Several examples of finite cracks in finite domains under mode-I and mixed mode dynamic loading conditions are presented. The computed stress intensity factors are represented versus time and compared with those obtained by other authors using different methods. The agreement is very good. The results are reliable and little mesh dependent. These facts allow for the analysis of dynamic crack problems with simple boundary discretizations. The versatile procedure presented can be easily applied to problems with complex geometry which include one or several cracks.

Journal of Structural Engineering-asce, 1990

Using a technique based on the boundary element method, results are obtained for two‐dimensional ... more Using a technique based on the boundary element method, results are obtained for two‐dimensional dam‐water‐sediments‐foundation systems subjected to ground motion. Both deep‐stratum and half‐space idealizations of the foundation are considered. The results ...

Chest, 1998

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This book covers the different element formulations for time-dependent problems and the mathemati... more This book covers the different element formulations for time-dependent problems and the mathematical transformations required to produce computer codes for solving scalar, elastic and poroelastic wave propagation problems. The application of the boundary element method in ...

An academic directory and search engine.

International Journal for Numerical Methods in Engineering, 1995

The present paper deals with the study and effective implementation for Stress Intensity Factor c... more The present paper deals with the study and effective implementation for Stress Intensity Factor computation of a mixed boundary element approach based on the standard displacement integral equation and the hypersingular traction integral equation. Expressions for the evaluation of the hypersingular integrals along general curved quadratic line elements are presented. The integration is carried out by transformation of the hypersingular integrals into regular integrals, which are evaluated by standard quadratures, and simple singular integrals, which are integrated analytically. The generality of the method allows for the modelling of curved cracks and the use of straight line quarter-point elements. The Stress Intensity Factors can be computed very accurately from the Crack Opening Displacement at collocation points extremely close to the crack tip. Several examples with different crack geometries are analyzed. The computed results show that the proposed approach for Stress Intensity Factors evaluation is simple, produces very accurate solutions and has little dependence on the size of the elements near the crack tip.

Journal of Applied Mechanics-transactions of The Asme, 1992

An efficient boundary element procedure for the dynamic analysis of crack propagation in unbounde... more An efficient boundary element procedure for the dynamic analysis of crack propagation in unbounded and arbitrary shape finite bodies is presented. The procedure is based on the direct time domain formulation of the boundary element method. A moving singular element and a remeshing technique have been developed to model the asymptotic solution of the stresses near the propagating crack tip.

International Journal for Numerical Methods in Engineering, 1992

This paper presents a procedure for transient dynamic stress intensity factor computations using ... more This paper presents a procedure for transient dynamic stress intensity factor computations using traction singular quarter-point boundary elements in combination with the direct time domain formulation of the Boundary Element Method. The stress intensity factors are computed directly from the traction nodal values at the crack tip. Several examples of finite cracks in finite domains under mode-I and mixed mode dynamic loading conditions are presented. The computed stress intensity factors are represented versus time and compared with those obtained by other authors using different methods. The agreement is very good. The results are reliable and little mesh dependent. These facts allow for the analysis of dynamic crack problems with simple boundary discretizations. The versatile procedure presented can be easily applied to problems with complex geometry which include one or several cracks.

Journal of Structural Engineering-asce, 1990

Using a technique based on the boundary element method, results are obtained for two‐dimensional ... more Using a technique based on the boundary element method, results are obtained for two‐dimensional dam‐water‐sediments‐foundation systems subjected to ground motion. Both deep‐stratum and half‐space idealizations of the foundation are considered. The results ...

Chest, 1998

services can be found online on the World Wide Web at:

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