Ariamis

ZERO D, ONE D

“Zero D” and “One D”, the art of discretising the values of a complex system

 

The purpose of “ZERO D” and “ONE D” equations and calculations is to segment the components of a complex modelling system. Each calculation suitably describes a physical phenomenon in a one-dimensional geometric representation.

 

“ZERO D” AND ONE D” CALCULATIONS AND EQUATIONS ARE THE COMPONENTS OF WIDER MODELLING

 

System modelling calls on a set of calculations and equations known as “Zero D” or “One D”. These different calculations or equations are the variables for a simulation. This parameter segmentation approach makes it possible to simulate the behaviour of smart systems before the detailed geometry is available (Computer Assisted Design). It is further possible to understand the “zero D” or “One D” concept as opposed to three-dimensional representations in space.

 

 

This approach makes it possible to simulate the behaviour of smart systems before the detailed geometry is available (CAD).

 

 

 

 

Calculations and equations to predict the actual hydraulic, pneumatic, or electrical behaviour of the system

 

 

A CALCULATION AND EQUATION LIBRARY TO PREDICT PHYSICAL PHENOMENA AND BEHAVIOURS

 

The “Zero D” and “One D” concept is used upstream of complex system simulation. Before taking into account physical aspects expressed in 3D, different physical phenomena can be predicted: mechanical, hydraulic, thermal, diphasic, etc.

 

MATLAB/SIMULINK, AMESIM AND GT-SUITE, SPECIFIC SYSTEM MODELLING TOOLS THAT USE THE “ZERO D” AND “ONE D” CONCEPT

 

The various tools are used depending on the progress of the design or its purpose.

 

MATLAB/SIMULINK is a multidomain dynamic system modelling platform.

 

AMESIM is simulation software for the modelling and analysis of “One D” multidomain systems (Mechanical, Hydraulic, thermo-hydraulic, hydraulic design, thermal, diphasic, Ifp drive, etc.)

 

GT-SUITE is “One D” modelling software more specific to the automotive sector

> Fluid flows: cooling, air-conditioning, thermo-management

> Engine thermal engineering, passenger compartment thermal engineering

> Vehicle dynamics

> Injection system

> ...

 

 

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KEY NUMBERS

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Writing the software programme intended to drive the system

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