Applying loads (forces, pressures) in Solidworks - Step-by-Step Guide

Introduction

Applying loads in SolidWorks lets you test how your design handles forces and pressures. This helps you see if parts will hold up or need changes before building.

When you want to check if a bracket can hold a weight without bending

When you need to see how pressure affects a pipe in your design

When testing if a beam will break under a certain force

When simulating wind pressure on a car model

When verifying if a bolt can handle the tightening force

Steps

Step 1: Open your part or assembly file

- SolidWorks main window

Your model appears ready for simulation

💡 Make sure your model is fully defined and saved

Step 2: Click the Simulation tab

- CommandManager toolbar

Simulation tools become visible

💡 If Simulation tab is not visible, enable it via Tools > Add-Ins

Step 3: Create a new study

- Simulation tab > New Study button

A dialog opens to select study type

💡 Choose 'Static' for forces and pressures

Step 4: Select the faces or edges where you want to apply the load

- Graphics area

Selected faces highlight in blue

💡 Use Ctrl key to select multiple faces

Step 5: Click 'External Loads' > 'Force' or 'Pressure'

- Simulation tab > External Loads panel

Load property manager opens

💡 Choose the load type that matches your real-world force

Step 6: Enter the magnitude and direction of the load

- Load property manager

Load preview arrow appears on the model

💡 Use the triad to adjust direction visually

Step 7: Click OK to apply the load

- Load property manager

Load is listed in the study tree

💡 You can edit or delete loads later if needed

Before vs After

Before

Model shows no forces or pressures applied; simulation study tree is empty

After

Model displays arrows indicating applied forces or pressures; study tree lists the loads

Settings Reference

Load Type

📍 Simulation tab > External Loads > Load property manager

Select the kind of load to apply to your model

Default: Force

Load Magnitude

📍 Load property manager

Set how strong the load is

Default: 0

Load Direction

📍 Load property manager

Define which way the load pushes or pulls

Default: Normal to face

Common Mistakes

Applying loads to the wrong faces or edges

The simulation results will not reflect the real forces acting on the model

Carefully select the exact faces or edges where the load should act

Forgetting to set the load direction correctly

Loads may act in unintended directions, causing inaccurate stress results

Use the direction triad or specify vector to ensure correct load orientation

Not defining units for load magnitude

Simulation may assume wrong units, leading to wrong force values

Always check and confirm units when entering load values

Summary

Applying loads in SolidWorks simulation helps test how your design handles real forces and pressures.

You select faces, choose load type, set magnitude and direction to simulate real-world conditions.

Always verify load placement, direction, and units for accurate results.

Practice

1.

What is the main purpose of applying loads in SolidWorks simulations?

easy

A. To simulate how forces affect the design's strength and behavior

B. To change the color of the model

C. To create new parts automatically

D. To export the design to other software

Solution

1. Step 1: Understand the role of loads in simulation

   Loads represent forces or pressures applied to a model to test its response.

2. Step 2: Identify the purpose of applying loads

   Applying loads helps predict stress, deformation, and failure points in the design.

3. Final Answer:

   To simulate how forces affect the design's strength and behavior -> Option A

4. Quick Check:

   Loads test design behavior = A [OK]

Hint: Loads simulate forces on design to check strength [OK]

Common Mistakes:

• Thinking loads change model appearance
• Confusing loads with part creation
• Assuming loads export data

2.

Which of the following is the correct way to apply a Force load in SolidWorks Simulation?

easy

A. Draw a sketch and convert it to a force

B. Select the entire model and click 'Apply Pressure'

C. Use the 'Mesh' tool to add force values

D. Select the face, then specify magnitude and direction of the force

Solution

1. Step 1: Identify how to apply a force load

   In SolidWorks, you select the face or edge where the force acts.

2. Step 2: Specify force details

   You enter the force magnitude and direction after selecting the location.

3. Final Answer:

   Select the face, then specify magnitude and direction of the force -> Option D

4. Quick Check:

   Force load = select face + magnitude/direction [OK]

Hint: Force load needs face selection and magnitude input [OK]

Common Mistakes:

• Applying pressure instead of force
• Selecting whole model instead of face
• Using mesh tool incorrectly

3.

Given a cantilever beam fixed at one end, if a downward force of 100 N is applied at the free end, what is the expected effect on the beam?

medium

A. The beam will bend downward causing stress near the fixed end

B. The beam will compress uniformly along its length

C. The beam will expand and lengthen

D. The beam will rotate without bending

Solution

1. Step 1: Understand cantilever beam behavior under load

   A force at the free end causes bending with maximum stress at the fixed end.

2. Step 2: Analyze the effect of downward force

   The beam bends downward, creating tension and compression zones, especially near the fixed support.

3. Final Answer:

   The beam will bend downward causing stress near the fixed end -> Option A

4. Quick Check:

   Cantilever + end force = bending stress at fixed end [OK]

Hint: Force at free end bends cantilever near fixed end [OK]

Common Mistakes:

• Assuming uniform compression
• Thinking beam lengthens
• Ignoring bending and only rotation

4.

In a SolidWorks simulation, a user applies a pressure load but the simulation shows zero deformation. What is the most likely error?

medium

A. The pressure magnitude was set too high

B. The pressure was applied to a fixed face with no degrees of freedom

C. The mesh size was too small

D. The material was set to plastic

Solution

1. Step 1: Identify why zero deformation occurs

   If the load is on a fixed face, the model cannot move or deform there.

2. Step 2: Understand fixed constraints effect

   Fixed constraints prevent movement, so pressure on that face causes no deformation.

3. Final Answer:

   The pressure was applied to a fixed face with no degrees of freedom -> Option B

4. Quick Check:

   Pressure on fixed face = zero deformation [OK]

Hint: Check if load is on fixed (immovable) face [OK]

Common Mistakes:

• Assuming high pressure causes zero deformation
• Thinking mesh size causes no deformation
• Confusing material type with deformation

5.

You want to simulate the effect of wind pressure on a car door in SolidWorks. Which combination of load types and locations is best?

hard

A. Apply a force load at the door handle only

B. Apply a torque load on the door hinges

C. Apply a uniform pressure load on the outer surface of the door

D. Apply a pressure load inside the door cavity

Solution

1. Step 1: Identify the nature of wind load

   Wind applies pressure distributed over the outer surface of the door.

2. Step 2: Choose appropriate load type and location

   A uniform pressure load on the door's outer surface best simulates wind effect.

3. Final Answer:

   Apply a uniform pressure load on the outer surface of the door -> Option C

4. Quick Check:

   Wind = uniform pressure on outer surface [OK]

Hint: Wind acts as pressure on outer surface, not force at one point [OK]

Common Mistakes:

• Applying force only at handle
• Using torque on hinges for wind
• Applying pressure inside door cavity