Essays about: "xfem abaqus"

Found 5 essays containing the words xfem abaqus.

  1. 1. Performance of reinforced concrete bridges strengthened with Carbon Fiber Reinforced Polymers : Case study: Essinge Bridge over Pampaslänken

    University essay from KTH/Bro- och stålbyggnad; KTH/Jord- och bergmekanik

    Author : Zeinab Mirzahassanagha; Eva Malo; [2021]
    Keywords : CFRP; External Strengthening Method; RC Bridges; Curved Substrate; Finite Element Modelling; Kolfiberväv; Extern Förstärkningsmetod; Betongarmerade broar; Konkav yta; Finita Elementa Modellering;

    Abstract : This master thesis deals with the performance of existing reinforced concrete bridges strengthened with externally bonded carbon fibre reinforced polymers (CFRP). One of the main aims of this work is to understand the functionality of such an external strengthening method applied to a concave surface in a heavy concrete structure such as a bridge. READ MORE

  3. 2. An Attempt Towards FE-Modelling of Fracture Propagation in Railway Wheels

    University essay from KTH/Spårfordon

    Author : Fred Öhnander; [2018]
    Keywords : Railway wheel; Wheel-rail contact; Wear; Fracture initiation; Physical fracture propagation model; FE-model; Fracture mechanics; XFEM; Inclusion; Järnvägshjul; Hjul-räl-kontakt; Slitage; Sprickinitiering; Fysisk sprickbildningsmodell; FE-modell; Frakturmekanik; XFEM; Imperfektion;

    Abstract : The demand for higher velocities and heavier axle loads for freight trains leads to higher forces on the railway wheels which in turn lead to an increase in stresses on and below the surface of the wheel-rail contact. By time, this induces wear on the wheels which consequently lead to higher maintenance costs and in some cases accidents. READ MORE

  4. 3. Finite Element Modelling of Fracture in dowel-type timber connections

    University essay from Linnéuniversitetet/Institutionen för maskinteknik (MT)

    Author : Hui Jin; Hao Wu; [2014]
    Keywords : Dowel; timber; fracture mechanics; mean stress method; finite element model; bending; XFEM; ABAQUS;

    Abstract : Dowel-type steel to timber connections are commonly used in timber structure. The load carrying capacity and the stress distribution within the connection area are complicated and the failure behavior of a connection depends on many parameters. READ MORE

  5. 4. Assessment of the applicability of XFEM in Abaqus for modeling crack growth in rubber.

    University essay from KTH/Hållfasthetslära (Inst.)

    Author : Luigi Gigliotti; [2012]
    Keywords : Fracture Mechanics; eXtended Finite Element Method; Rubber-like materials; Abaqus;

    Abstract : The eXtended Finite Element Method is a partition of unity based method, particularly suitable for modelling crack propagation phenomena, without knowing a priori the crack path. Its numerical implementation is mostly achieved with stand-alone codes. READ MORE

  6. 5. Finite-Element Simulations of Glulam Beams with Natural Cracks

    University essay from Blekinge Tekniska Högskola/Sektionen för ingenjörsvetenskap

    Author : Sepehr Rahili Khorasani; [2012]
    Keywords : Glulam beams; Fracture mechanics; XFEM; Natural crack; ABAQUS; VCCT.;

    Abstract : Abstract: Modeling and simulation of natural cracks and its propagation for glulam beams in numerical method frame work have been studied in this thesis. The aim of this study was to find out the influence of formed cracks on the Glulam beam load-carrying capacity. READ MORE