Nature is multiphysics. The eagle's flight is an interaction between the wind and the wings.
Both wind and wings must be considered to understand the flight.

Multiphysics simulation tools
and consultancy services

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process segments analysed

Our Services

Our core competence is numerical simulation and thermodynamics, blended with sciences such as mathematical modelling, physics, mechanical engineering and structural engineering.


We perform consultancy services within system design, consequence analysis and safety.
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All our simulation tools are tailor-made and developed by Petrell to best fit the requirements of our clients.
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We are proud to deliver our expertise to companies worldwide. We have a close relation to our clients.
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Petrell Brilliant

Simulation of flow and heat transport

Brilliant is a general multi-physics CFD and FEM tool for simulation of flow and heat transport, including chemical reactions and solid materials.
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Petrell Vessfire

Optimum design of process systems

VessFire is the leading tool for optimum design of process systems. Subscribe for a license today! Ever since the first version of in 1998.
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"Always a pleasure to work with Petrell. Outstanding technical competency. Quite small company. Easy to get in touch, little bureaucracy, informal and friendly communication."
"Clear answers to SOW, good communication, performed well, good clarifications prior to start-up of work."
"The report was so clear that no discussion was required."
"I appreciated the good professional discussions and presentations along the way."
"Good communication during the project. Workforce seems very competent."