RELAP5-3D Nuclear Reactor Analysis Software Licensing Opportunity

The United States of America is seeking companies interested in licensing the RELAP5-3D software for nuclear reactor thermal-hydraulic and safety analysis.

General
Open (active)
CW-25-06
Nov 01, 2026 02:00 PM
Apr 20, 2026 05:39 PM
Other
Federal
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Contact
Javier Martinez
Description

This opportunity is for companies interested in licensing RELAP5-3D, a comprehensive system-level modeling code for simulating nuclear power plants and other complex thermal-fluid systems. The software supports detailed modeling of multiphase flow, heat transfer, reactor kinetics, and fluid-structure interactions, enabling high-fidelity simulations for a wide range of operating and accident scenarios. RELAP5-3D offers advanced capabilities including single- and two-phase flow modeling, support for multiple fluids and flow regimes, built-in reactor kinetics and neutron transport models, coupled heat structures and control system modeling, and parallel processing. It can be integrated with external tools for fuel performance, CFD, or systems-level co-simulation. Key advantages include its comprehensive simulation capabilities, multidimensional modeling (1D, 2D, and 3D), built-in neutronics, high fidelity, flexibility, interoperable framework, and regulatory acceptance. This is a licensing opportunity only, focused on connecting companies with INL's intellectual property to bring technologies to market. It does not involve purchasing, procurement, or hiring external services for technology development.

Classification Codes
NAICS541690Other Scientific and Technical Consulting Services
PSCR412Simulation
Smart Codes
nuclear reactor analysisthermal-hydraulic simulationlicensing support
Timeline
Apr 20, 2026-Published Date
Nov 1, 2026-Response Date
Nov 16, 2026-Inactive Date
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