6 Dokumente gefunden

Analysis of Functionally Graded Porous Materials Using Deep Energy Method and Analytical Solution

Porous materials are an emerging branch of engineering materials that are composed of two elements: One element is a solid (matrix), and the other element is either liquid or gas. Pores can be distributed within the solid matrix of porous materials with different shapes and sizes. In addition, porous…
Weimar: Institut für Strukturmechanik, 2022-12-19

Computational Fracture Modeling and Design of Encapsulation-Based Self-Healing Concrete Using XFEM and Cohesive Surface Technique

Encapsulation-based self-healing concrete (SHC) is the most promising technique for providing a self-healing mechanism to concrete. This is due to its capacity to heal fractures effectively without human interventions, extending the operational life and lowering maintenance costs. The healing mechanism…

Stochastic multiscale modeling of polymeric nanocomposites using Data-driven techniques

In recent years, lightweight materials, such as polymer composite materials (PNCs) have been studied and developed due to their excellent physical and chemical properties. Structures composed of these composite materials are widely used in aerospace engineering structures, automotive components, and…
Weimar: Institut für Strukturmechanik, 2022-04-28

Stress Distribution in Buried Defective PE Pipes and Crack Propagation in Nanosheets

Buried PE pipelines are the main choice for transporting hazardous hydrocarbon fluids and are used in urban gas distribution networks. Molecular dynamics (MD) simulations used to investigate material behavior at nanoscale.

Phase field modeling of fracture with isogeometric analysis and machine learning methods

This thesis presents the advances and applications of phase field modeling in fracture analysis. In this approach, the sharp crack surface topology in a solid is approximated by a diffusive crack zone governed by a scalar auxiliary variable. The uniqueness of phase field modeling is that the crack paths…
Weimar: Institut für Strukturmechanik, 2021-03-02

Numerical Methods for the Multi-Physical Analysis of Long Span Cable-Stayed Bridges

The main categories of wind effects on long span bridge decks are buffeting, flutter, vortex-induced vibrations (VIV) which are often critical for the safety and serviceability of the structure. With the rapid increase of bridge spans, research on controlling wind-induced vibrations of long span bridges…