Week 3 Verification of Weld Joints

AIM:

Perform Advanced Structural Analysis on the weld joints setup with different materials Using ANSYS WORKBENCH.

OBJECTIVE:

Analyze the weld joints setup to find out their directional deformation, equivalent strain under the load of 15000 N with three different mterials. Identify the weld joint that experiences the highest equivalent stress in each case and compare the results for all three cases

GIVEN MODEL:

Fig(1).

PROCEDURE:

Assign the material as stainless steel for both the cases by, Selecting the Engineering data >> Edit >> Engineering data sources >> General Materials >> Stainless steel.

*Properties of the stainless steel is shown in below Fig(2).

Stainless steel Fig(2).

*Similarly assign the Aluminium Alloy, Bronze and Copper material cards as shown below images

Alluminium alloy Fig(3).

Copper alloy Fig(4).

Bronze Fig(5).

*After Assigning the material close the engineering data and open new space claim to make the required designs.

*Once geometry is imported from the space claim then open the model and eidt the geometry in Mechanical moduler.

*After that Give all analysis setting in steps of time.

*Assign fixed joint and load joint on the geometry.

CASE-1

*Use Stainless steel for both plates and weldmates

Directional Deformation:

Max:0.3513 (mm) and Min: -0.0330 (mm)

Equivalent Elastic Strain:

Max:0.001811 and Min:8.289E-7

weld joint that experiences the highest equivalent stress:

Max:302.47 (MPa) and Min:1.215 (MPa).

CASE-2

*Aluminium Alloy:The material to be chosen for this case is Aluminium alloy(high strength, wrought). [Plate material to be used is stainless steel]

Directional Deformation:

Max:0.40625 (mm) and Min:-0.0259 (mm)

Equivalent Elastic Strain:

Max:0.003321 and Min:6.928E-7

weld joint that experiences the highest equivalent stress:

Max:265.28 (MPa) and Min:1.303 (MPa).

Case 3.Bronze: In order to simulate "Brazing", you should be using bronze as the weld material. Assign Stainless Steel to both plates and Copper to the "Ribs"

Directional Deformation:

Max:0.3951 (mm) and Min:-0.0278 (mm)

Equivalent Elastic Strain:

Max:0.003288 and Min:6.964E-7

weld joint that experiences the highest equivalent stress:

Max:262.68 (MPa) and Min:1.378 (MPa).

COMPARING THE REULTS:

SL.No	CASE	DIRECTIONAL DEFORMATION Max (mm)	DIRECTIONAL DEFORMATION Min (mm)	EQUIVALENT ELASTIC STRAIN Max	EQUIVALENT ELASTIC STRAIN Min	EQUIVALENT STRESS Min (Mpa).	EQUIVALENT STRESS Min (Mpa).
1.	1	0.3513	-0.0330	0.00181	8.289E-7	302.47	1.215
2.	2	0.4062	-0.0259	0.003321	6.928E-7	265.28	1.303
3.	3	0.3951	-0.0278	0.003288	6.964E-7	262.68	1.378

CONCLUSION:

*Directional Deformation is maximum in Case-2 i.e alluminium as weld material compared to other two cases, Because it has minimum Young's modulus.

*Equivalent Stress Distribution in weld joint is maximum in Case-1 because Stainless steel can bear more loads than another two materials.

*Equivalent elastic strain is very less in stainless steel material and high in alluminimum material.