AIM: To compare the performance of three types of beams under a bending load.

Introduction:-

Beam is a relatively long pieces of metal, wood, stone, etc., which is manufactured or shaped especially for use as rigid members or parts of structures or machines. Beams are in different forms and varieties according to the application and loading criterias.

In this project, I'm going to analyze 3 Beam elements which have different cross sections. The goal is to find the best cross section from those which satisfies the optimal condition

Beam span: 400 mm

Beam section 1:

Beam section 2:

Beam section 3:

Analysis:

COMMON MATIERIAL PROPERTIES:

Material Properties Properties Components Name: Alloy Steel Model type: Linear Elastic Isotropic Default failure criterion: Max von Mises Stress Yield strength: 6.20422e+08 N/m^2 Tensile strength: 7.23826e+08 N/m^2 Elastic modulus: 2.1e+11 N/m^2 Poisson's ratio: 0.28 Mass density: 7,700 kg/m^3 Shear modulus: 7.9e+10 N/m^2 Thermal expansion coefficient: 1.3e-05 /Kelvin SolidBody 1(Boss-Extrude1)(beam 1)

COMMON PROPERTIES OF LOADING:

Load name		Load Details
Force-1		Entities: 1 face(s) Type: Apply normal force Value: 1,500 N Time variation: on

Common meshing properties:

Mesh information

Mesh type	Solid Mesh
Mesher Used:	Standard mesh
Automatic Transition:	Off
Include Mesh Auto Loops:	Off
Jacobian points for High quality mesh	16 Points
Element Size	9 mm
Tolerance	0.45 mm
Mesh Quality	High

1. Beam 1

Model Information Model name: beam 1 Current Configuration: Default Solid Bodies Document Name and Reference Treated As Volumetric Properties Document Path/Date Modified Boss-Extrude1 Solid Body Mass:11.088 kg Volume:0.00144 m^3 Density:7,700 kg/m^3 Weight:108.662 N D:\SKILL LYNC\FEA using solidworks\beam 1-Buckling 1\beam 1.SLDPRT Aug 5 10:19:34 2022

beam 1-Nonlinear 1-Stress

Stress at mid region= 5.098

beam 1-Nonlinear 1-Displacement

beam 1-Nonlinear 1-Strain

2. Beam 2

Model name: beam 2 Current Configuration: Default
Solid Bodies
Document Name and Reference	Treated As	Volumetric Properties	Document Path/Date Modified
Boss-Extrude1	Solid Body	Mass:2.36299 kg Volume:0.000306882 m^3 Density:7,700 kg/m^3 Weight:23.1573 N	D:\SKILL LYNC\FEA using solidworks\beam 2-Buckling 1\beam 2.SLDPRT Aug 5 10:44:25 2022

MESH data:

Study Results

beam 2-Nonlinear 1-Stress

beam 2-Nonlinear 1-Displacement

beam 2-Nonlinear 1-Strain

3. Beam 3

Model Information

Model name: beam 3 Current Configuration: Default
Solid Bodies
Document Name and Reference	Treated As	Volumetric Properties	Document Path/Date Modified
Boss-Extrude1	Solid Body	Mass:3.22947 kg Volume:0.000419412 m^3 Density:7,700 kg/m^3 Weight:31.6488 N	D:\SKILL LYNC\FEA using solidworks\beam 3-Buckling 1\beam 3.SLDPRT Aug 5 10:19:11 2022

Study results:

beam 3-Nonlinear 1-Stress

beam 3-Nonlinear 1-Displacement

beam 3-Nonlinear 1-Strain

Conclusion:

Beam 1:

Weight: 11.088 kg

Maximum displacement: 0.0009 mm

Beam 2:

Weight: 2.36 kg

Maximum Displacement: 0.00459 mm

Beam 3:

Weight: 3.22 kg

Maximum Displacement: 0.01338 mm

According to the load carrying capacity, the rectangular beam can withstand more amount of load than other beams. This is due to the availability of more matierial in the section. So weight of the beam is significantly higher than other beams.

When considering the weight of beam, we can see that, 'I' section is having the least material condition, and it can withstand more load than the 3rd beam section.

The best choice will be is to use the beam with I section.