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  • Computational Methods for Fluid Dynamics in HVAC System Design

    HVAC systems are widely used in the automotive, construction, oil and gas, and aerospace industries. They consist of several cooling and heating components specifically designed to meet energy consumption requirements. In general, they are designed in an integrated form to efficiently manage and deliver energy in and out of the system. For example, automotive cooling packages…

  • Modeling Inelasticity With SimScale: Plasticity and Creep

    The simplest form of analysis in solid mechanics is linear static analysis. Here, the deformations in the material are assumed to be small, and Hooke’s law (or the linear relation between stress and strain) can be assumed. However, as the load increases, the material behavior (also known as the stress-strain relationship) becomes nonlinear, demonstrating effects…

  • CFD Workflow Guide: How to Set Up a Fluid Dynamics Analysis

    Computational science is the use of computers to solve complex problems. Computational science has the potential to solve complicated problems in very cost-effective ways, and as a result, it is becoming more and more popular in the scientific world. Additionally, as computers are becoming more advanced and powerful, the resulting simulations are getting better and better.…

  • How Can You Test and Optimize Data Center Cooling with CFD?

    When my father was a kid, the term “computer” started to become popular. Computers were an invention that was not within the reach of the general public. During my school life, we had computer laboratories to teach us the basics of computing. We all thought, “What a tremendous change over a short period of time!” It’s not…

  • Cleanroom Ventilation Improvement with CFD Simulation

    A well-designed cleanroom environment is necessary for activities performed in a controlled environment, containing a low level of pollutants—a critical requirement for many manufacturing, pharmaceutical, and scientific research applications. It has a controlled level of contamination, which is measured by the number of particles per cubic meter at a specified particle size. The ambient air outside in a typical urban environment…

  • Contact Mechanics and Friction: Is CAE Shedding Light on the Issue?

    All movements that occur on this planet involve contact mechanics and friction. Consider even the simplest acts like walking, driving a car, riding a bicycle, all the way up to powerful steam trains. Such physical problems involving contact mechanics are not only common in mechanical and civil engineering industries, as shown in Figure 1, but…

  • Testing Ventilation for Smoke Control in Underground Garage with CFD

    It was yet another beautiful evening on July 26, 2016, in St. Louis, US. At around 8.15 pm, a fire started in a downtown parking garage. Multiple vehicles were involved and smoke engulfed a complete floor of the garage. Fortunately, emergency services responded quickly and were able to control the flames. No one was injured in…

  • Thermal Comfort in Buildings: How to Better Control and Predict

    Controlling and predicting thermal comfort in buildings is essential when designing HVAC systems. The operation schedules of ventilation systems often don’t consider the diurnal fluctuations of either the ambient temperature or the exposure of windows to direct sunlight. Poorly designed and installed ventilation systems can directly affect the thermal comfort of people in office buildings, theaters, cinemas, commercial…

  • SimScale Launches Integration for Autodesk Fusion 360

    Say hello to the SimScale add-in for Autodesk Fusion 360 Following last year’s successful launch of the connector app for Onshape, which allowed our users to have a more seamless workflow between the design and virtual testing phase, we are happy to announce another exciting CAD integration! SimScale has collaborated with the Autodesk team to launch…

  • Wind Farm Optimization with Turbine Placement Using CFD Simulations

    Most renewable energy sources come from the sun. Overall, hourly, the sun is estimated to provide the Earth with over 175 trillion kilowatt hours of energy and, of this, approximately 1-2% is converted to wind energy. Wind energy is a renewable, plentiful, and clean alternative to burning fossil fuels, and produces no greenhouse gas emissions.…

  • How to Choose a Solver for FEM Problems: Direct or Iterative?

    In this article, we explore the black box of numerics and the task of choosing a FEM solver. In general, there are a typical set of options that work for a FEM problem and we never change it. These are like those magic parameters that we never change, and we often do not even know why…

  • Role of Computer Simulation Technology in Modern Engineering

    Computer simulation technology has developed in close relation with both the computer industry and engineering processes. Associated with the process manufacturing industries, simulation has been customarily used as a tool to increase the production capacity. In the early stages, computer simulation was not very accessible; a lengthy process, the ambiguity of resulting models, and a large number…