Numerical Simulation of Three Dimensional Fracture Mechanics Problems of Functionally Graded Pipe and Pipe Bend Using XFEM

Sonkar, Vaibhav; Bhattacharya, Sandip; Sharma, Kamal

doi:10.1007/s40997-021-00470-0

Cited by 9 publications

(5 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As this technique has already been implemented in the ABAQUS software, it can be used either with VCCT or with the CZM technique to model crack propagation [37]. Many literatures agree that XFEM is a powerful technique for crack analysis [38]. As this technique has the flexibility of implementing special enrichment functions, a wide range of damage mechanisms can be modeled using XFEM.…”

Section: Xfemmentioning

confidence: 99%

Mode-I Interlaminar Fracture Modeling of DCB Composite Laminate using Finite Element Techniques

Sharma

Mali

Dixit

2023

Preprint

View full text Add to dashboard Cite

The interlaminar fracture is the most common type of failure in polymeric textile composites because these composites are prone to delaminate under the influence of external loading. Depending on the type of deformation, the interlayer fracture can be Mode-I, Mode-II, Mode-III, and Mixed Mode-I/II type. In this research work, Mode-I interlaminar fracture modeling of carbon fiber reinforced polymer (CFRP) composite laminate is performed using a double cantilever beam (DCB) test specimen on ABAQUS software as a cost-effective numerical simulation approach. The finite element based fracture modeling techniques, virtual crack closure technique (VCCT), cohesive zone modeling (CZM), and extended finite element method (XFEM) were employed under the two-dimensional and three-dimensional interlayer crack propagation to evaluate the load-displacement responses. The interaction properties were applied between the top and bottom part of DCB specimen and the adhesive layer was modeled using the CZM approach. The numerically simulated responses were compared with the published experimental load-displacement responses and found to be in good agreement. All the fracture modeling approaches validate the experimental trend, however the three-dimensional XFEM technique was found to be the most suitable modeling approach for crack growth in adhesively bonded parts. The stress based criteria was used for crack initiation, whereas the energy based approach used for crack propagation in DCB laminate. The parametric study of various fracture parameters (cohesive strength, fracture energy, interfacial stiffness, laminate thickness, and pre-crack length) were also conducted to understand their effects on load-displacement responses of the Mode-I interlaminar fracture. The fracture modeling approaches were compared by considering the element type, shape, total elements, accuracy, run-time, increments, and convergence speed.

show abstract

Section: Xfemmentioning

confidence: 99%

Mode-I Interlaminar Fracture Modeling of DCB Composite Laminate using Finite Element Techniques

Sharma

Mali

Dixit

2023

Preprint

View full text Add to dashboard Cite

show abstract

“…By coupling these 2 complementary approaches, we benefit from a more global view of the problem. We can compare this type of approach to a Computer Vision problem, in which we integrate several databases from different perspectives to have a complete view of the object [48][49][50]. Thus, the state of the art has shown that by coupling the expertise of physicists to that of data scientists and statisticians and computer scientists, we strive to create hybrid models allowing to incorporate the knowledge of the business domain into our models.…”

Section: Related Workmentioning

confidence: 99%

Optimization of the Creation of a Training Set for the Calibration of a Model Reproducing the Vibration Behavior of an Overhead Line Conductor

Amroun,

Hafid,

Ammi

2022

IJICS

View full text Add to dashboard Cite

One of the applications that machine learning can offer to the world of Engineering and Fluid Mechanics in particular is the calibration of models making it possible to approximate the representation of a particular phenomenon. Indeed, the computational cost generated by some fluid mechanics models pushes scientists to use other models close to the original models but less computationally intensive in order to facilitate their handling. Among the different approaches used: machine learning coupled with some optimization methods and algorithms in order to reduce the computation cost induced. This paper proposes a new framework called OPTI-ENS: a new flexible, optimized and improved method, to calibrate a physical model, called the wake oscillator (WO), which simulates the vibratory behaviors of overhead line conductors. An approximation of a heavy and complex model called the strip theory (ST) model. OPTI-ENS is composed of an ensemble machine learning algorithm (ENS) and an optimization algorithm of the WO model so that the WO model can generate the adequate training data as input to the ENS model. ENS model will therefore take as input the data from the WO model and output the data from the ST model. As a benchmark, a series of Machine learning models have been implemented and tested. The OPTI-ENS algorithm was retained with a best Coefficient of determination (R2 Score) of almost 0.7 and a Root mean square error (RMSE) of 7.57e-09. In addition, this model is approximately 170 times faster (in terms of calculation time) than an ENS model without optimization of the generation of training data by the WO model. This type of approach therefore makes it possible to calibrate the WO model so that simulations of the behavior of overhead line conductors are carried out only with the WO model.

show abstract

“…The XFEM method has been used in numerous works on pipes and pipe systems, and there are many applications that have been solved with this method [29][30][31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Finite-Element-Analysis-Based Study of a Failure Phenomenon in HDPE Pipes

Teodorescu Draghicescu,

Scutaru,

Vlase

2023

Materials

View full text Add to dashboard Cite

In pipes made of HDPE used in city water supply networks, a specific type of failure is commonly noted, called the parrot’s beak failure. It requires expensive intervention. The prediction and study of the development of this defect, therefore, requires thorough research. In this work, the finite element method is used to study the mechanism of the occurrence and development of this defect. Two examples of the calculation for the concrete case of some tubes used in a water supply network are presented. This study is important for the designers of such networks, to predict and prevent the occurrence of this defect that can lead to unwanted network downtime and high repair costs.

show abstract

Numerical Simulation of Three Dimensional Fracture Mechanics Problems of Functionally Graded Pipe and Pipe Bend Using XFEM

Cited by 9 publications

References 31 publications

Mode-I Interlaminar Fracture Modeling of DCB Composite Laminate using Finite Element Techniques

Mode-I Interlaminar Fracture Modeling of DCB Composite Laminate using Finite Element Techniques

Optimization of the Creation of a Training Set for the Calibration of a Model Reproducing the Vibration Behavior of an Overhead Line Conductor

Finite-Element-Analysis-Based Study of a Failure Phenomenon in HDPE Pipes

Contact Info

Product

Resources

About