Simulation the Laser welding on a pipe using Dflux Subroutine Abaqus
We intend to simulate the Laser 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 cylindrical involution normal (CIN) heat source model for defining volumetric heat flux, and we use the Dflux subroutine for defining cylindrical involution normal (CIN) heat source 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 6.283 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 plate is Stainless-Steel-SA240
Density, thermal conductivity, specific heat, thermal expansion, elastic properties and plastic properties depend on the temperature
cylindrical involution normal (CIN) heat source model is adopted to calculate volumetric heat flux distributions as heat input around the welding pool
Equation of the (C-I-N) heat source model is defined as a function of position and time together with a number of parameters
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 0.06 m/s
Duration :34 minutes
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