Collision Detection

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Find a clash before it interrupts work

A component moves into position and touches a neighboring part. A probe approaches a tight area. An assembly review reveals a possible interference. Collision Detection helps your application check these situations and show users where attention is needed.

Use triangle meshes to test positioned components and connect findings with points, triangles, or faces for review.

How it works

Prepare surface meshes for parts and set their positions. Choose a contact tolerance or nearby-distance threshold, then check relevant part pairs. Use reported locations to highlight affected regions. When a part moves to a new position, repeat the check to compare the placement.

Check contact and proximity

A review may need to find touching parts, overlapping surfaces, or components within a chosen clearance. Contact tolerance and distance thresholds give each check a defined purpose.

Mesh accuracy needs to suit the smallest gap of interest. A coarse mesh may miss a narrow feature or change the apparent spacing. Showing affected parts and locations helps users understand each finding before deciding what to change.

Repeat checks as positions change

Prepared model data can be reused when components move to new positions. This reduces repeated preparation work as users compare assembly layouts, tool locations, or probe positions.

Each result describes the checked placement. A full motion check also needs to assess travel between those positions. This distinction helps applications use position checks correctly during assembly or inspection-path planning.

Resolve assembly clashes with the responsible team

A supplier revises a bracket after nearby components have already been approved. The new shape may interfere with another part even though each individual model is valid. Without a shared finding, teams can spend time exchanging screenshots and trying to reproduce the same placement.

An assembly-review application can check relevant component pairs and highlight the reported locations. It can attach the source revisions, checked positions, and contact settings to an issue for the responsible designer. After an update, the same placement can be checked again to see whether that finding remains.

Collision Detection supplies the geometric checks; your application manages assignments, comments, and issue status. This creates a clearer path from a detected interference to an engineering decision. Teams can focus on affected component pairs and keep a review record before accepting the revised assembly.

Build clear feedback into your product

Show collision locations, affected parts, and nearby regions in the same review interface. Add Distance & Clearance Analysis for CAD-based measurements and directional gaps.

Use Express Mesh for mesh preparation. Talk through your interference checks with representative assemblies, placements, and accuracy needs.