Tensile cracks in soil slopes, especially developing at the crown, have been increasingly recognized as signal of slope metastability. In this paper, role crown natural slopes was investigated and its effect on stability studied. A numerical modeling simulation tensile behavior soil, based Extended Finite Element Method (XFEM), used. test applied to validate use XFEM before simulation. Slope fa...

The integrity assessment to evaluate the safety margin of reactor pressure vessels (RPV) often considers only crack initiation and excludes propagation analysis. This contribution focuses on analysis in RPV steels. eXtended Finite Element (XFEM) method implemented ABAQUS is applied a thick-walled cylindrical specimen with circumferential at inner surface order simulate embrittled subjected Pres...

Abstract In order to evaluate the influence of preform preparation processes on thermal cycle stability glass-to-metal seals, this work embraced two different methods produce for seals. For conventional powder metallurgy (PM) method, molten glass was quenched form frits, then frits were ball milled prepare powders. These powders pressed into green bodies and heated preforms. While casting-machi...

This paper presents an immersed, isogeometric finite element framework to predict the response of multi-material, multi-physics problems with complex geometries using locally refined discretizations. To circumvent need generate conformal meshes, this work uses extended method (XFEM) discretize governing equations on non-conforming, embedding meshes. A flexible approach create truncated hierarch...