Results 61 to 70 of about 8,649 (192)
This comprehensive study advances delamination analysis in composites through innovative computational methods, experimental validation techniques, and predictive algorithms, collectively enhancing damage progression prediction and structural health monitoring for improved integrity in high‐performance applications.
Dhivya Elumalai +4 more
wiley +1 more source
Characterization of defect induced multilayer graphene [PDF]
A study of oxygen plasma on multilayer graphene is done with different flow rates. This is to allow a controlled amount of defect fabricated on the graphene.
Abdullahb, Abu Hannifa +4 more
core +2 more sources
The optimal XFEM approximation for fracture analysis [PDF]
The extended finite element method (XFEM) provides an effective tool for analyzing fracture mechanics problems. A XFEM approximation consists of standard finite elements which are used in the major part of the domain and enriched elements in the enriched sub-domain for capturing special solution properties such as discontinuities and singularities ...
Shouyan Jiang +2 more
openaire +1 more source
A low‐cost clip gauge extensometer for crack mouth opening displacement was developed from accessible procedures and materials. Accuracy and repeatability comparable to commercial devices were demonstrated in calibration and fracture tests, enabling reliable measurement in CT specimens for resource‐constrained laboratories.
Isaías Chamorro‐Cruz +8 more
wiley +1 more source
Efficient adaptive integration of functions with sharp gradients and cusps in n-dimensional parallelepipeds [PDF]
In this paper, we study the efficient numerical integration of functions with sharp gradients and cusps. An adaptive integration algorithm is presented that systematically improves the accuracy of the integration of a set of functions.
Mousavi, S. E., Pask, J. E., Sukumar, N.
core +2 more sources
Effect of infill pattern, raster angle, and build orientation on the fracture behavior of FFF‐printed ABS, experimentally characterized and numerically predicted using XFEM with cohesive zone modeling. ABSTRACT Additive manufacturing (AM), particularly Fused Filament Fabrication (FFF), has emerged as a transformative approach for polymer‐based ...
Victor Justen da Silveira Machado +1 more
wiley +1 more source
ABSTRACT A new model for the simulation of fluid flow through rough cracks is presented. The model combines a probabilistic cut finite element method (PCutFEM) to capture the unfitted boundary condition at the fluid interface, with a stochastic random field generator to represent the crack asperities.
Brubeck Lee Freeman +5 more
wiley +1 more source
Introduction/purpose: Porosity is a significant factor that causes voids to become trapped in materials during composite material fabrication. This study is dedicated to modelling fracture modes within highly stressed areas of an advanced SiC/Cf ...
Aicha Metehri +4 more
doaj +1 more source
ABSTRACT In the field of composite structure fatigue simulations, progressive damage models are common tools. However, these models are dependent on the definition of meta parameters, such as the residual stiffness following an interfiber failure mode. This study presents a progressive damage model utilizing shell elements, with the material parameters
Richard Fink +2 more
wiley +1 more source
Including Pre‐Existing Fractures in Phase Field Fracture Models
ABSTRACT The phase field method for fracture modelling has, in recent years, become the method of choice for complex fracture problems, especially those involving branching, merging, or nucleating fractures. As the number of applications of the phase field method has expanded, the importance of assessing its accuracy has increased. One important factor
Bradley Sims +3 more
wiley +1 more source

