Ravi Varma

5 Questions 9 Answers 0 Followers

Questions related from Ravi Varma

Derivation of Tangent matrix for nonlinear transient problems ?

Dear fellow researchers, I am trying to simulate the temperature variation during a laser sintering of some metal powder. Material properties (density and conductivity) depend on temperature. I...

04 October 2023 1,731 2 View

Mixed boundary conditions at a common node in FEM Heat Transfer?

Dear amazing members, I have a doubt. If I have three adjacent planes with different boundary conditions, in a 3D domain, Dirichlet (fixed temperature) on one plane, Neumann fixed flux on...

22 June 2023 4,419 2 View

Solving a system of linear equations without inverting the coefficient matrix

Dear amazing researchers, I am working on a nonlinear FEM problem and using Python for coding. To get the nodal values of the field variable, I have to solve a system of linear equation. In...

01 January 1970 3,377 5 View

Value of primary variable at the commed nodes (FEM)

Dear community members, I am using FEM to solve heat conduction equation. In 2D rectangular domain, there are four boundaries, and at two adjecent boundries, temperature is specified (Dirichlet...

01 January 1970 5,630 9 View

Adeptive mesh refinement for moving heat source (FEM)

Dear sir or ma'am, I am solving a 3D heat conduction equation involving a moving heat source (a laser). The goal is to get the thermal behaviour of the domain with time. I am using structured...

01 January 1970 6,383 4 View