How is the numerical validation of a spreader beam conducted using SOLIDWORKS Simulation?

Numerical Validation of Spreader Beam – SOLIDWORKS SIMULATION

Knowing how to model and validate the spreader beam can actually make us to understand the proper pre-processing, solving and post-processing that is involved in any CAE tool.

FEA Tools that are going to be involved here are as follows 

                                            1) SOLIDWORKS SIMULATION

                                            2) 3DEXEPREIENCE SIMULIA &

                                            3) Abaqus Legacy

We plan to write this Numerical Validation of Spreader Beam as three parts by the usage of CAE Tools. First to begin with the problem represented in the Figure 1, has been solved by the following element selection and its boundary conditions.

Numerically when spreader beam is represented, it can be represented in two ways of element selection i.e., Either by selecting Beam element (1D Element) or selecting Solid elements(3D Element).

In this blog we will be discussing the advantages and disadvantages that we are going to face depending on the selection of elements

Spreader Beam can be analyzed by modelling

• Entire beam or Symmetrical Beam into 3D CAD model and Validated with Solid Element Beam Model (3D Element)

• Entire beam into 3D CAD model and Validated with Beam Element (1D Element)

                                                    

By default, Sling Rod has been modelled as Linkage Rod as shown in figure 2

 

Solid Element (3D) Beam Model - Boundary Conditions

1. Load

2. Interaction

3. Constraints

1. Load ( Same for Both Cases)

• 3000Lbs of weight has to be lifted

• 3000/2 = 1500Lbs load at a distance of 2.85ft from both end

2. Interaction – Bonded (Same for Both Cases)

• All interaction is treated as Bonded, since all parts will be welded together

 

3. Constraints

• All DoF arrested (Case 1)

• Free at Y & Z (Case 2), Since Solid Elements (3D Element) have only Translational DoF, Translation along X (At Solid Beam End Faces) should be restrained to achieve bending.

 

• Beam when Modelled and Validated with Solid Element – Usage of Full Model Approach

• Solid-type elements, in this case, are tetrahedrons in place of all modeled geometry

• Computational Cost with respect to time is high

• Solid Elements, gives good results when beam length is in higher range, but lacks in stress prediction

• Solid Element – Full Model Approach

            Case 1: All DoF arrested ( X, Y & Z) 

• Solid Element – Full Model Approach

Case 1: All DoF arrested ( X, Y & Z)

Free Body Forces

• Solid Element – Full Model Approach

Case 1: All DoF arrested ( X, Y & Z)

Free Body Forces

Displacement

 

Shear Stress

Allowable shear = 371 Psi

Shear Stress  Allowable Shear

 

Solid Element – Full Model Approach

Case 2: Free at Y & Z

 

Free Body Forces

 

Solid Element – Full Model Approach

Case 2: Free at Y & Z

Free Body Forces

Displacement

Shear Stress

Allowable shear = 371 Psi

Shear Stress Allowable Shear

 

 

Solid Element – Symmetry Model Approach

Case 1: All DoF arrested ( X, Y & Z)

Free Body Forces

Solid Element – Symmetry Approach

Case 1: All DoF arrested ( X, Y & Z)

Free Body Forces

Displacement

Shear Stress

Allowable shear = 371 Psi

Shear Stress  Allowable Shear

Solid Element – Symmetry Approach

Case 2: Free at Y & Z

Free Body Forces

Free Body Forces

Displacement

Shear Stress

Observation:

	Free Body Force	Displacement	Shear Stress
Full Model Approach
Case 1	97.5% Deviation	0.129mm	62.918Psi
Case 2	0 to 1.5% Deviation	0.441mm	182.051Psi
Symmetric Approach
Case 1	98.5% Deviation	0.126mm	49.731Psi
Case 2	0 to 1.2% Deviation	0.585mm	181.25Psi

 

As stated earlier, we can understand that, the maximum amount of deflection variation has been observed between two approaches. But regarding the stress developed we can see that there is a correlation. And also, by referring many Journals we can understand that the maximum of stress variation is observed when lengthier beam has been used.

As we discussed the calculations for Solid approach here, we will discuss the beam Element approach on upcoming blogs of this CAE Validation Series. Ciao!

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How to Streamlining Business Workflows & Processes by using 3DEXPERIENCE Route Management?

What is Route Management:

Routes on the 3DEXPERIENCE Platform are a set of tasks to complete a given business activity. Routes provide a structured strategy to organizing activities such as getting permissions for a new product design. This not only saves time, but also guarantees uniformity and traceability throughout the process.

We'll look closely at how workflows and procedures are handled by Route Management.

STEP 1:

You just need to drag and drop the Route Management widget from the Dashboard tab under Collaborative Industry Innovator.

STEP 2:

After selecting the Route Management app Click the New Route button

STEP 3:

Click on properties tab > Specify Title > Specify Description >

Click on Advanced option > Select Route Base Purpose

STEP 4:

UNDER ROUTE BASE PURPOSE

Standard: The route may comprise tasks meant merely for notification or information, or it may include tasks requiring the assignee's permission or remark.

Approval: Only tasks requiring the assignee's approval are included in the path.

Review: Only activities that call for the assignee's input are included in the route.

STEP 5:

ROUTE COMPLETION ACTION

Notify Route Owner: The route owner receives a notification from the system after all tasks have been finished.

Promote Connected Object: If no other routes or requirements are preventing promotion and the route owner has promoted access for the connected objects, the system will automatically promote the object after the route is finished. The completion of the route is also reported to the route owner. Only if the route owner has promoted access to the object may you use this option if you have previously provided content to the route.

STEP 6:

AUTO STOP ON REJECTION

Immediate: The Route stops immediately

Deferred: The route stops after other tasks at the current level are completed or rejected.

STEP 7:

Then click on content tab where you can add contents to review.

STEP 8:

Next, select tasks from which you can define processes, as indicated below.

Now the New Route has been Created.

The assignee will receive notification once the Route has been created. 

Thank You for Reading!

SOLIDWORKS - MBD

Model Based Definition (MBD) is an add-in tool that helps us to create 3D drafting with all PMI, this tool produces the output in eDrawings®, 3D-PDF & STEP 242 for clear 3D communication which bypasses time-consuming 2D processes and eliminates potential problems.  

MBD tool supports the establishment of document digitalization and control hardcopy utilization.

Creating MBD document for an assembly:

For creating the MBD with the necessary Product Manufacturing Information for the assembly mentioned in the image MBD tool must be activated.

Where to find,

Now the tool is available with plenty of options to work with the assembly.

Activating MBD also adds a 3D Views tab at the bottom with the Capture 3D view option. The capture 3D view option helps to capture the views of the assembly similar to the performance of sheets in the 2D drawing.

Creating Annotation view:

An Annotation view must be inserted with necessary view orientation for capturing each 3D view of the assembly in selected orientation. For this instance isometric is chosen as a view orientation for the newly created annotation view.

After creating the annotation view select activate and orient option from the right-click menu.

Note: It is advisable to create individual annotation view for each view captured via the Capture 3D view option

Creating BOM:

For creating notes & BOM separate notes area must be created for saving it. Now, for this instance a new notes area is inserted with the name of BOM Table and is activated from the right-click menu.

Now the BOM is generated for the assembly and it is positioned near to assembly view area without affecting the visibility of the assembly.

Now select *Isometric from the Annotations then click activate and orient option from the right-click menu.

Capturing 3D view:

After positioning the assembly orientation the current 3D view is captured with the help of the Capture 3D view option and it is saved with the name of Assembled.

Now the 3D view is created with BOM, similarly, we can add notes, balloons, dimensions, GD&T, etc. following the same procedure based on the needs.

Thank you for Reading!!