Autodesk Navisworks -
Autodesk Navisworks is a leading project review and coordination software used primarily in the architecture, engineering, and construction (AEC) industries. Unlike design tools such as Autodesk Revit which create building geometry, Navisworks acts as a "federated" platform that aggregates 3D models from multiple sources—including AutoCAD, Revit, and MicroStation—to facilitate interdisciplinary coordination and pre-construction analysis. Core Versions of Navisworks
To choose the right solution, it is essential to understand the hierarchy of the Navisworks family:
Navisworks Manage: The most comprehensive version, offering advanced Clash Detective tools for native interference detection and spatial coordination.
Navisworks Simulate: A middle-ground solution that supports 4D scheduling and 5D cost analysis but excludes the native clash detection feature found in Manage.
Navisworks Freedom: A free viewer that allows all project stakeholders to open and navigate NWD and DWF files without a full license. Key Features and Capabilities
Navisworks provides a suite of tools designed to bridge the gap between design and physical construction:
Autodesk Navisworks is a powerful project review software that enables Architecture, Engineering, and Construction (AEC) professionals to holistically review integrated models and data with stakeholders. Unlike design-focused tools like Autodesk Revit, Navisworks is used to federate, analyze, and communicate design intent and constructability. Core Versions
Navisworks is available in three primary versions tailored to different user needs: autodesk navisworks
Manage: The most comprehensive version, offering advanced clash detection and interference management.
Simulate: Includes project review, 4D simulation (scheduling), and quantification but lacks clash detection.
Freedom: A free viewer that allows anyone to view 3D models and access property data in NWD and DWF formats. Key Features
Practical 4D Construction Simulation Using Revit ... - Autodesk
Use the site logistics model as a starting point, if available. 2. Insert on-site construction equipment to be used in routing. 3.
Autodesk Navisworks is a powerhouse in the Architecture, Engineering, and Construction (AEC) industry, specifically designed for project review and coordination. While design tools like Revit are for creating models, Navisworks is the "aggregator" that brings models from various sources—like AutoCAD, MicroStation, and Revit—into one unified 3D environment to ensure everything fits before construction starts. Core Versions
Navisworks is typically available in three distinct flavors depending on your role: Autodesk Navisworks is a leading project review and
Navisworks Manage: The full-featured version used by BIM managers for advanced coordination and clash detection.
Navisworks Simulate: Focuses on 4D scheduling and 3D model reviews without the clash detection engine.
Navisworks Freedom: A free viewer that allows stakeholders to explore NWD and DWF files without a subscription. Key Functionalities Get Prices & Buy Navisworks 2023 - Autodesk
4. 5D Quantity Takeoff (Cost)
While advanced takeoff is usually done in dedicated estimating software, Navisworks has robust Quantification tools. It extracts physical quantities (e.g., cubic meters of concrete, linear feet of piping) directly from the federated model. This allows estimators to perform "model-based takeoffs," drastically reducing manual counting errors.
6. Integration with Autodesk Ecosystem
| Tool | Integration | | :--- | :--- | | Revit | Direct export to NWC; Co-authoring via BIM 360. | | AutoCAD/Civil 3D | NWCOUT command generates Navisworks cache. | | BIM 360 / ACC | Cloud-based model coordination; issue tracking. | | Recap | Import point clouds for as-built vs. as-designed check. | | Assemble / Takeoff | Extract quantities into costing workflows. |
Level of Development (LOD)
Navisworks doesn't care if your model is bad; it just shows you what you have. If you run clash detection on a model with "LOD 200" (generic placeholders), you will get thousands of false-positive clashes. Ensure your models meet LOD 350 (coordinated with clear geometry) before running hard clash tests.
The Killer Feature: Clash Detection
The primary reason firms invest in Navisworks Manage is to run clash tests. A "clash" is where two different components of a building illegally occupy the same space. A heating duct passes directly through a steel I-beam
For example:
- A heating duct passes directly through a steel I-beam.
- A fire sprinkler pipe runs right through the middle of a light fixture.
- The concrete wall collides with the door frame.
Navisworks automates the search for these conflicts. Within minutes, the software can scan a complex building with millions of components and produce a report listing every single clash. It categorizes them by severity (hard clash vs. clearance clash) and allows project managers to assign these clashes to specific team members to resolve.
What is Autodesk Navisworks?
Unlike Revit or AutoCAD, Navisworks is not a modeling tool. You don't draw walls or pipes in it. Instead, it is a review and aggregation platform. It can import and combine 3D models from over 60 different file formats (including Revit, SketchUp, Rhino, SolidWorks, and DWG) into a single, lightweight, navigable environment.
Think of it as the "single source of truth" where the architect, the structural engineer, and the plumber look at the same merged model to see if the beam blocks the air duct.
Visual Styles
Use the Visual Styles menu. Switch between "Full Render" (looks pretty) and "X-Ray" mode (see through walls to find hidden pipes). The "Sectioning" tool (planes and boxes) is essential for slicing through a building to examine dense mechanical rooms.
f. Interference & Clearance Checking
Beyond hard clash, Navisworks can check:
- Minimum clearance (e.g., 500mm maintenance gap around electrical panels).
- Time-based clashing (if two trades occupy same space in same week).