Ramine Nikoukhah is Vice President for System Modeling and Simulation at Altair Engineering. He has a Ph.D. in Electrical Engineering and Computer Science from Massachusetts Institute of Technology.
The problem of modeling and simulation
One of the fundamental problems in many areas of science and engineering is the problem of modeling and simulation. Compose is a multi-language environment. Compose is used for modeling, simulation, and optimization.
There exist two kinds of general scientific software: computer algebra systems that perform symbolic computations and numerical systems performing numerical competitions specifically designed for scientific applications.
Examples of facilities for the first category: Maple or Axiom. For the second: MATLAB, Octave or OML. The book deals specifically with this last language. OML provides several tools for developing and simulating models of several types. When combined with Activate, the number and capabilities are greatly increased.
What is Activate?
Activate is a tool for modeling and simulation of dynamical systems. Activate provides multiple modeling approaches in one environment and allows the user to mix them. This is a graphical system for modeling and optimization.
It is particularly useful for modeling systems where continuous-time and discrete-time components are interconnected.
This is an open-system environment providing signal-based modeling as well as physical system component-based modeling. Throughout both parts are applied examples from mechanical, biological, and electrical systems, as well as control and signal processing systems.
This book is illustrated with many examples both for those just interested in OML and those doing industrial-scale modeling, simulation, and design.
All examples are worked using the free basic editions of Activate and Compose that are available.
What is OML?
OML is a new language released for the first time as part of the Altair Product Compose in Spring of 2017 and in 2018 as the supporting scripting language for Activate. An open-source version of OML has also been released in 2018.
OML is an interpreted language with dynamically typed objects. OML can be used as a scripting language to test algorithms or to perform computations. But it is also a programming language and the standard OML library contains a large number of predefined functions that facilitate the development of applications, especially in scientific and engineering domains.
To contact Ramine Nikoukhah. More about Master’s Programmes at ESILV and especially the specialization Computational Mechanics and Modelling.
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