• How do I simulate turbalance without inlet and outlet flow?

    Currently Im doing an school project where I want to simulate the turbulance of a fluid in a fuel tank but currently Im just learning how flow smulation works. I tried to reproduce this but I dont know how to do this ...
    Eduardo Escalante
    last modified by Eduardo Escalante
  • New system passes every benchmark I can find. Repeatably fails while running flow simulations.

    I am out of ideas for what could be wrong with this computer. 9900K, 64GB of 3600Mhz G-Skill RAM, 970 Pro SSD, Gigabyte Master motherboard, P1000 GPU, and 360mm AIO cooler. Prime95, PassMark SSD, Memtest86, Cinebench,...
    Charlie Johnson
    last modified by Charlie Johnson
  • Does anyone have a Centrifugal Pump Solidworks example (model and simulation profile) that I can play around with?

    I have been looking high and low, and all of the youtube videos I have found dont include the model... and most get the flow direction wrong. I am new to solidworks and CFD, but I want to start playing around with a C...
    Kevin Rynst
    last modified by Kevin Rynst
  • Mass/Volumetric Flow Rate Plot

    I would like to show mass and volumetric flow rate in surface plots on the inlet and outlet faces of an internal volume.  When looking through the options I don't see either and in fact there are no options with ...
    Brendan Murphy
    created by Brendan Murphy
  • Heat flow in exchanger not working

    Hi,   First off, this is probably some rookie mistake as I am a student making this for a school assignment. The assignment requires me to model a counterflow tube-in-shell heat exchanger, and to experiment with...
    Yari Wesseling
    last modified by Yari Wesseling
  • How to change convergence sensitivity

    I am running a batch of simulations that I intended to leave running overnight.  When I came back I found that they had not finished because each simulation was not finishing becauseeither the convergence criteri...
    Brendan Murphy
    created by Brendan Murphy
  • Negative drag force values?

    I am simulating an airfoil to get lift and drag values. Using a What-if approach in a parametric study I step the foil's angle of attack in a constant wind velocity. The drag force values decrease with increase in ang...
    Carel Kriek
    last modified by Carel Kriek
  • Simulating centrifugal pump. Beginner, already looked at every post

    (pictures attached at the end!)   Hello, I am new to flow simulation and got really thrown into it and now I have to deal with it. I need to simulate a centrifugal pump. I know there is a lot of information alr...
    Marvin K.
    last modified by Marvin K.
  • Problems simulating combustion furnace that works with forced covection

    Hi, I have this oven model which I am going to simulate the conditions at which it works, according to the information that I have the oven must reach a temperature of 473 K, I have the speed of the rotor that is coup...
    Andres Felipe Lara Guerra
    last modified by Andres Felipe Lara Guerra
  • How to simulate gap pads

    Hi,   I am facing some difficulties regarding simulation of thermal gap pads. In my model I have a CPU cooled towards an aluminium cooling profile. Between the CPU and the cooling profile I have a 1,5 mm thick g...
    Erik Steen
    last modified by Erik Steen
  • Cell sizes in export results incorrect?

    Hello FlowSim users,   when doing flow simulation studies I often use the export results function to create text files with e.g. temperature and velocity for further processing. These text files also contain cel...
    Thomas Wagner
    created by Thomas Wagner
  • Flow trajectory problem

    I'm trying to model water flow from a water pipe drilled with holes (represented by thing (or outlet) above the panel and the flow is defined there) onto a solar panel. I've also defined a heat source on the panel sur...
    Wei Hao Yip
    last modified by Wei Hao Yip
  • Regarding material definition

    I have specified material for parts inside an assembly in feature manager design tree. So do I need to specify material for respective parts in insert solid materials icon in flow simulation again ?? Someone please he...
    Pratik Bagde
    last modified by Pratik Bagde
  • Finding heat transfer between two solid bodies in an assembly

    I have two solid bodies in an assembly which are placed closed to each other in which one body is acting as volume heat source maintained at high temperature at around 130 C and other body is at initial temperature of...
    Pratik Bagde
    created by Pratik Bagde
  • how to use steady-state mesh for transient study?

    I need to generate a mesh from a steady-state simulation, then use that mesh for a transient study.  How can I do this?  I have successfully used the Transferred Boundary Condition under General Settings, bu...
    Dan Hofstetter
    last modified by Dan Hofstetter
  • Query in flow freezing

    If we turn on flow freezing to speed up calculations, simulation results obtained will be correct or not ( especially for physical time ) ? I have this query because when I try activating flow freezing it is taking hi...
    Pratik Bagde
    last modified by Pratik Bagde
  • Do i need to model the body of water for this cooling?

    I'm trying to model water flow onto a solar panel (via water outlets)(pic attached in post, the 8 things above the panel are the water outlets) and analyse its cooling effects. This is an external flow, and i understa...
    Wei Hao Yip
    last modified by Wei Hao Yip
  • Flow simulation out of nozzle and onto a surface

    I'm trying to simulate flow that goes through a nozzle and onto a surface and I'm having trouble figuring out how to do it.  I need the the flow to start at the inlet of the nozzle, exit the outlet, then hit the ...
    Andrew Dorscheid
    last modified by Andrew Dorscheid
  • Pressure drop too low?

    Hello,   I have been working with a basic gas turbine engine (ignoring the fuel for now) and added these orifice plates around the flame can, to help even out the flow.  However, these plates should create ...
    Phillip Laplante
    last modified by Phillip Laplante
  • Pressure boundary condition in Inlet Mass Flow

    Hello, I am trying to simulate the discharge of a fire suppression agent inside a room to understand the dispersion of the agent and the pressure distribution in each equipment surface and on the room walls/door. ...
    Joao Antonio
    last modified by Joao Antonio