---
title: "Bifrost and V-Ray in Maya"
canonical: "https://documentation.chaos.com/space/VMAYA/111739913/Bifrost%20and%20V-Ray%20in%20Maya"
format: markdown
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This page describes how to use the Bifrost feature in V-Ray for Maya.


## **Overview**

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Bifrost in Maya is a procedural framework for simulating liquid effects using a FLIP (fluid implicit particle) solver. This page discusses using Bifrost in conjunction with V-Ray for Maya.

*See the **[Maya Supported Versions](https://docs-chaos.atlassian.net/wiki/spaces/VMAYA/pages/111739191)** page for information on the compatibility between V-Ray and Bifrost.*


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### **Rendering using Alembic Cache**



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### **Rendering using VRayMesh**



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### **Direct rendering of the Bifrost mesh**



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### **Rendering Bifrost USD Graphs**


Since V-Ray 5, update 2 (version 5.20.02), V-Ray supports rendering of Bifrost USD graphs. To render them, you need to have these minimum versions:

- Maya 2020
- Bifrost 2.4.0.0
- MayaUSD 0.16.0 (USD 21.11)



### **Support for bifrostLiquidMaterial**


V-Ray has limited support for the Bifrost Liquid Material, and the foam component of the material is not fully supported.

The reflection highlights are calculated according the Blinn shading model, not the one used in Mental Ray.

Only Fresnel reflections are supported; unchecking this option causes full reflections to be calculated.


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### **Tips for working with Bifrost meshes**


If you can't get Bifrost to properly load each frame from the cache, try disabling the **Enable Background Processing** property from the Bifrost options and go to the first frame of the cache.