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Through a multiparadigm approach, we have helped a wide range of industries to innovate and improve their products and systems.

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Wolfram MathCore

Wolfram MathCore is a part of Wolfram Research, one of the world's most respected computer, web and cloud software companies. For the last two decades, we have helped our customers drive insight, innovation and results.

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Job Postings (1)

Wolfram MathCore Job Posting: Senior Software Engineer

Do you have a passion for compiler technology, math and mathematical modeling and would you like to exercise those skills while developing world-leading modeling and simulation software? In that case, look no further. As a software engineer at Wolfram MathCore, you will work mainly at our office in Linköping, Sweden, on the development of the System Modeler kernel. The main function of the kernel is to translate models defined in the Modelica language into executable simulation code.

About System Modeler

System Modeler combines its powerful kernel with a highly reputed user interface and integrates with the Wolfram Language. This results in a fully integrated environment for analyzing, understanding and quickly iterating system designs for industrial strength, multidomain models of complete systems. You can learn more about System Modeler at https://www.wolfram.com/system-modeler.

Function and responsibilities

You will work in a team with responsibilities ranging from algorithm and user interface design to testing. As a kernel developer, your main responsibility is maintaining existing code and implementing new features of the System Modeler kernel. Using OCaml as the main language for kernel development, you will work with tasks like: Numerical solving of differential-algebraic equations Mathematical processing of equations Generation of efficient C/C++ code for runtime computations

Skills and experience

The candidate must meet the following qualifications: At least three years of experience in software development Master's degree in computer science or a related engineering field Compiler programming experience Furthermore, the ideal candidate will have experience in: Differential equations, especially differential-algebraic equations Numerical math (ODE/DAE solvers, nonlinear system solving) Graph theory Linear algebra Modeling and simulation of dynamic systems, preferably with Modelica Functional programming languages such as OCaml, Haskell, F# or Erlang C and C++ (Qt) FMI, DCP, eFMI, OPC and similar standards The Wolfram Language The ideal candidate will possess these personal qualities: Ability to work efficiently in a scrum team of engineers Ability to react quickly and adapt to changes in priorities, circumstances and direction Ability to communicate effectively with others, in English and preferably also in Swedish, including proficiency in written and verbal communication and strong listening skills

About Wolfram MathCore

Wolfram MathCore, a subsidiary of Wolfram Research, develops and supplies products and services for mathematical modeling and simulation. It is responsible for the development of Wolfram System Modeler. Wolfram Research is one of the world's most respected software companies—as well as a powerhouse of scientific and technical innovation. As pioneers in computational science and the computational paradigm, we have pursued a long-term vision to develop the science, technology and tools to make computation an ever-more-potent force in today's and tomorrow's world.

How to apply

Submit your application here. If you have any questions, please contact Jan Brugård at janb@wolfram.com. We are looking forward to your application!

Engineering (4)

Simulating Zero Gravity to Demonstrate the Dzhanibekov Effect and Other Surprising Physics Models

Explore the contents of this article with a free Wolfram System Modeler trial. Wolfram System Modeler 12.2 was just released, featuring things such as personalization of plots, new model libraries and extended GUI support for advanced modeling. One of the other additions is a new workflow for generating 3D models from 3D shapes. We will use this feature to illustrate some bizarre and counterintuitive physics.

System Modeler (2)

Digital Vintage Sound: Modeling Analog Synthesizers with the Wolfram Language and System Modeler

Explore the contents of this article with a free Wolfram System Modeler trial. Have you ever thought about making your own musical instruments? What about making mathematical models of your instruments? Whether you're someone looking for a cost-effective alternative, a minimalist with dreams of maximalist sounds or a Wolfram Language enthusiast curious about sound design, you can build a virtual version of a modular synthesizer using Wolfram System Modeler.

Engineering (4)

Rolling Bearings: Modeling and Analysis in Wolfram System Modeler

Background

Explore the contents of this article with a free Wolfram System Modeler trial. Rolling bearings are one of the most common machine elements today. Almost all mechanisms with a rotational part, whether electrical toothbrushes, a computer hard drive or a washing machine, have one or more rolling bearings. In bicycles and especially in cars, there are a lot of rolling bearings, typically 100--150. Bearings are crucial---and their failure can be catastrophic---in development-pushing applications such as railroad wheelsets and, lately, large wind turbine generators. The Swedish bearing manufacturer SKF estimates that the global rolling bearing market volume in 2014 reached between 330 and 340 billion bearings. Rolling bearings are named after their shapes---for instance, cylindrical roller bearings, tapered roller bearings and spherical roller bearings. Radial deep-groove ball bearings are the most common rolling bearing type, accounting for almost 30% of the world bearing demand. The most common roller bearing type (a subtype of a rolling bearing) is the tapered roller bearing, accounting for about 20% of the world bearing market. With so many bearings installed every year, the calculations in the design process, manufacturing quality, operation environment, etc. have improved over time. Today, bearings often last as long as the product in which they are mounted. Not that long ago, you would have needed to change the bearings in a car's gearbox or wheel bearing several times during that car's lifetime. You might also have needed to change the bearings in a bicycle, kitchen fan or lawn mower. For most applications, the basic traditional bearing design concept works fine. However, for more complex multidomain systems or more advanced loads, it may be necessary to use a more advanced design software. Wolfram System Modeler has been used in advanced multidomain bearing investigations for more than 14 years. The accuracy of the rolling bearing element forces and Hertzian contact stresses are the same as the software from the largest bearing manufacturers. However, System Modeler provides the possibilities to also model the dynamics of the nonlinear and multidomain surroundings, which give the understanding necessary for solving the problems of much more complex systems. The simulation time for models developed in System Modeler is also shorter than comparable approaches.

Engineering (4)

Helicopter Landing on Ship: Model and Simulation

Background

Explore the contents of this article with a free Wolfram System Modeler trial. Today, many helicopters launch from and land on ships at sea. Some are conventional helicopters, both commercial and military, and some are drones. In Wolfram System Modeler, we now have a system for simulating helicopter landings and launches that includes waves and ships. The models have been used for the design of mechanical parts, autopilots, landing criteria, and operational limits.

Major components of the system

The aim has been to develop a model with an accurate depiction of the waves, ship motion, and helicopters in such a way that the results can be used not only qualitatively but also quantitatively in real industrial applications. The first task is to calculate the motion of the landing platform mounted on the ship's deck. There is commercially available historical wave data for different seas and oceans. Since access to this data is expensive, we will instead describe the waves mathematically. A model of the forces on the ship's hull was developed with classical analytical theory. With the waves and ship hull forces, the motion of the ship's landing platform can be calculated. If we assume that the helicopter landing does not influence the landing platform motion, the system is simplified. We speed up the simulation by storing the motion in a database for the different wave heights, lengths, and directions, and the ship's speed. Typically the database will include wave heights of 1, 2, 3, and 4 m; wave directions 0, 30, 60, 90, 120, 150, and 180 degrees; wave lengths 100, 150, and 200 m; and ship speeds of 5 and 10 knots. The helicopter was modeled with the MultiBody library. It includes mechanical parts such as rotors with gyroscopic effects and landing gear with hydraulic dampers. Friction models for wheel-deck interface and flexible beams for the rotor blades have been developed. We have also developed a simple autopilot where the landing algorithm is implemented and tested. For one application, the model has been run with the actual autopilot as hardware in the loop.

Curiosity-driven engineering

Decades of computation leadership

Let the problem lead the toolset

The Wolfram MathCore blog

Careers for curious engineers

About Wolfram MathCore

Wolfram MathCore News, Posts and Events See All

Wolfram MathCore Job Posting: Senior Software Engineer

About System Modeler

Function and responsibilities

Skills and experience

About Wolfram MathCore

How to apply

Simulating Zero Gravity to Demonstrate the Dzhanibekov Effect and Other Surprising Physics Models

Digital Vintage Sound: Modeling Analog Synthesizers with the Wolfram Language and System Modeler

Rolling Bearings: Modeling and Analysis in Wolfram System Modeler

Background

Helicopter Landing on Ship: Model and Simulation

Background

Major components of the system

See All Posts

Curiosity-driven
engineering

Let the problem
lead the toolset

The Wolfram
MathCore blog

Careers for
curious engineers

About
Wolfram MathCore