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Simulation the Arc welding on a pipe using Dflux Subroutine Abaqus

We intend to simulate the Arc welding on a pipe , using D-Flux Subroutine in the Abaqus software

We use volumetric heat flux for simulation of the welding process, and we use Goldak’s double-ellipsoid model for define volumetric heat flux, and we use the Dflux subroutine for define Goldak’s double-ellipsoid model

Dflux subroutine is used to define nonuniform heat flux

This problem is done in two steps

In step1 , we simulate welding process with duration of 125.67 seconds

In step2 , we simulate cooling process with duration of 1000 seconds

To do so , we define two Coupled temp-displacement step

The material of the pipe is Stainless-steel-SA240

Density, thermal conductivity, specific heat, thermal expansion, elastic properties and plastic properties depend on the temperature

The welding torch moves round the pipe in a circular path

In this question , the welding speed unit should be Radian/second

We use this Relation for converting the Linear velocity into angular velocity

R is the radius that is equal to 0.06 m , V is the Linear velocity that is equal to 0.003 m/s

Goldak’s double-ellipsoid heat source model is adopted to calculate volumetric heat flux distributions as heat input around the welding pool

Equations of the Goldak’s heat source model is defined as a function of position and time together with a number of parameters

The constants a,b,Cf,Cr as shown in picture are heat source parameters that define the size and shape of the ellipses and these parameters are obtained from experimental analysis

Information about this tutorial

You will receive these files after purchase

Full video (Step by step)

Cae file

inp file

subroutine file (Fortran code)

Excel file (Material , Stainless-steel-SA240)

Excel file (Results , Axial residual stress-outside pipe)

Excel file (Results , Axial residual stress-inside pipe)

Excel file (Results , Hoop residual stress-inside pipe)

PDF file (Article)

The language of the video


Duration of the video

Is 44 minutes

Size of all files

Is 122 MB

Video quality

HD, 720p

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$ 12

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