Week 9 Tension and Torsion test challenge

Tension and Torsion test using Ansys Explicit

Objective:

Tension and Torsion are performed to the given test specimen and displacement applied is varied to do a case study.

Briefing:

The model consists of dog bone type of test specimen one end is fixed and another end is given displacement.

For the Tension test, case 1 is given a displacement of 16mm and for case 2 displacement of 18mm

For the Torsion test, case 1 is given a displacement of 1080 degree and for case 2 displacement of 1200 degree

Procedure and Setup

Materials: Steel 1006 is used for the test specimen.

Meshing:

Patch conforming(Tetrahedroons) and Sphere of Influence (element size 3mm) is used to mesh the model.

Boundary conditions:

One end of the specimens is fixed and another end is given a displacement of 16 mm / 1080 degrees for torsion test

Analysis setting:

The model is run for 0.001 sec with a maximum energy error set to 0.1.

Results and Case Study:

Tension Test

Cases / Parameters	total deformation	equivalent stress	temperature
Displacement 16 mm	16.004 mm	636.37 MPa	245.71 °C
Displacement 18 mm	18.004 mm	637.54 MPa	267.35 °C

Torsion Test

Cases / Parameters	total deformation	equivalent stress	temperature
Rotation 1080 degree	13.789 mm	658.6 MPa	420.92 °C
Rotation 1200 degree	19.408 mm	660.22 MPa	468.05 °C

For both tests, the specimen has failed as the ultimate strength has been reached (yield = 350 Mpa)