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 |
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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) |
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Duration of the video | Is 44 minutes |
Size of all files | Is 122 MB |
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